diff --git a/keyboards/1upkeyboards/1up60hse/config.h b/keyboards/1upkeyboards/1up60hse/config.h
index e2de955c455..7fc55b04db9 100644
--- a/keyboards/1upkeyboards/1up60hse/config.h
+++ b/keyboards/1upkeyboards/1up60hse/config.h
@@ -189,31 +189,3 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/1upkeyboards/1up60hse/rules.mk b/keyboards/1upkeyboards/1up60hse/rules.mk
index 2ba1f9ef506..3dc6c04c8a1 100644
--- a/keyboards/1upkeyboards/1up60hse/rules.mk
+++ b/keyboards/1upkeyboards/1up60hse/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
EXTRAFLAGS += -flto
LAYOUTS = 60_ansi
diff --git a/keyboards/1upkeyboards/super16/config.h b/keyboards/1upkeyboards/super16/config.h
index ddd0233f92b..f5cc77159fc 100644
--- a/keyboards/1upkeyboards/super16/config.h
+++ b/keyboards/1upkeyboards/super16/config.h
@@ -219,34 +219,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/1upkeyboards/super16/rules.mk b/keyboards/1upkeyboards/super16/rules.mk
index 9319e7579b7..2ef04cd5855 100644
--- a/keyboards/1upkeyboards/super16/rules.mk
+++ b/keyboards/1upkeyboards/super16/rules.mk
@@ -31,6 +31,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_4x4 numpad_4x4
diff --git a/keyboards/40percentclub/25/config.h b/keyboards/40percentclub/25/config.h
index c9c02b47e25..01ca061a162 100644
--- a/keyboards/40percentclub/25/config.h
+++ b/keyboards/40percentclub/25/config.h
@@ -197,31 +197,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/25/rules.mk b/keyboards/40percentclub/25/rules.mk
index 483619f1892..3c263d5bf61 100644
--- a/keyboards/40percentclub/25/rules.mk
+++ b/keyboards/40percentclub/25/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enable generic behavior for split boards
SPLIT_KEYBOARD = yes
diff --git a/keyboards/40percentclub/4pack/config.h b/keyboards/40percentclub/4pack/config.h
index 33b5df6d587..7ccf21ef80f 100644
--- a/keyboards/40percentclub/4pack/config.h
+++ b/keyboards/40percentclub/4pack/config.h
@@ -224,34 +224,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/40percentclub/4pack/rules.mk b/keyboards/40percentclub/4pack/rules.mk
index a0c9d34f548..94ad9cb6fd1 100644
--- a/keyboards/40percentclub/4pack/rules.mk
+++ b/keyboards/40percentclub/4pack/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/40percentclub/4x4/config.h b/keyboards/40percentclub/4x4/config.h
index 09ec5a4ec90..810f3cf2950 100644
--- a/keyboards/40percentclub/4x4/config.h
+++ b/keyboards/40percentclub/4x4/config.h
@@ -164,31 +164,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/4x4/rules.mk b/keyboards/40percentclub/4x4/rules.mk
index c4257a070d7..08d4b4a40c9 100644
--- a/keyboards/40percentclub/4x4/rules.mk
+++ b/keyboards/40percentclub/4x4/rules.mk
@@ -29,6 +29,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_4x4 ortho_4x8 ortho_4x12 ortho_4x16
diff --git a/keyboards/40percentclub/5x5/config.h b/keyboards/40percentclub/5x5/config.h
index a9d294bc94c..54515583af7 100644
--- a/keyboards/40percentclub/5x5/config.h
+++ b/keyboards/40percentclub/5x5/config.h
@@ -173,31 +173,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/5x5/rules.mk b/keyboards/40percentclub/5x5/rules.mk
index ec0f656d085..e0236aa26bf 100644
--- a/keyboards/40percentclub/5x5/rules.mk
+++ b/keyboards/40percentclub/5x5/rules.mk
@@ -29,6 +29,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_5x5 ortho_5x10 ortho_5x15
diff --git a/keyboards/40percentclub/6lit/config.h b/keyboards/40percentclub/6lit/config.h
index 110362a6287..4efa4c99bc2 100644
--- a/keyboards/40percentclub/6lit/config.h
+++ b/keyboards/40percentclub/6lit/config.h
@@ -198,31 +198,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/6lit/rules.mk b/keyboards/40percentclub/6lit/rules.mk
index 4faa9610b89..f1b426d062f 100644
--- a/keyboards/40percentclub/6lit/rules.mk
+++ b/keyboards/40percentclub/6lit/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enable generic behavior for split boards
SPLIT_KEYBOARD = yes
diff --git a/keyboards/40percentclub/foobar/config.h b/keyboards/40percentclub/foobar/config.h
index 15af4ad5bd0..e501259830c 100644
--- a/keyboards/40percentclub/foobar/config.h
+++ b/keyboards/40percentclub/foobar/config.h
@@ -198,31 +198,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/foobar/rules.mk b/keyboards/40percentclub/foobar/rules.mk
index f378e39b6e3..3c80be1a933 100644
--- a/keyboards/40percentclub/foobar/rules.mk
+++ b/keyboards/40percentclub/foobar/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enable generic behavior for split boards
SPLIT_KEYBOARD = yes
diff --git a/keyboards/40percentclub/gherkin/keymaps/stevexyz/rules.mk b/keyboards/40percentclub/gherkin/keymaps/stevexyz/rules.mk
index 2c5a23df3d7..a36a4fdad22 100644
--- a/keyboards/40percentclub/gherkin/keymaps/stevexyz/rules.mk
+++ b/keyboards/40percentclub/gherkin/keymaps/stevexyz/rules.mk
@@ -11,7 +11,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
TAP_DANCE_ENABLE = no
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend (it uses the same timer as BACKLIGHT_ENABLE)
diff --git a/keyboards/40percentclub/half_n_half/config.h b/keyboards/40percentclub/half_n_half/config.h
index cd7515f0bac..e5ea48dd82d 100644
--- a/keyboards/40percentclub/half_n_half/config.h
+++ b/keyboards/40percentclub/half_n_half/config.h
@@ -212,34 +212,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/40percentclub/half_n_half/rules.mk b/keyboards/40percentclub/half_n_half/rules.mk
index 98b29247075..23058393bb0 100644
--- a/keyboards/40percentclub/half_n_half/rules.mk
+++ b/keyboards/40percentclub/half_n_half/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enable generic behavior for split boards
SPLIT_KEYBOARD = yes
diff --git a/keyboards/40percentclub/i75/config.h b/keyboards/40percentclub/i75/config.h
index f9b5d57ddf0..69124bc7a33 100644
--- a/keyboards/40percentclub/i75/config.h
+++ b/keyboards/40percentclub/i75/config.h
@@ -154,34 +154,6 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/40percentclub/i75/rules.mk b/keyboards/40percentclub/i75/rules.mk
index e99830b8532..98dc54b75a8 100644
--- a/keyboards/40percentclub/i75/rules.mk
+++ b/keyboards/40percentclub/i75/rules.mk
@@ -17,7 +17,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_5x15
DEFAULT_FOLDER = 40percentclub/i75/promicro
diff --git a/keyboards/40percentclub/nein/config.h b/keyboards/40percentclub/nein/config.h
index da1bc91dd12..e053b487fd4 100644
--- a/keyboards/40percentclub/nein/config.h
+++ b/keyboards/40percentclub/nein/config.h
@@ -208,32 +208,6 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/40percentclub/nein/rules.mk b/keyboards/40percentclub/nein/rules.mk
index 47742c4b46e..eed880ead52 100644
--- a/keyboards/40percentclub/nein/rules.mk
+++ b/keyboards/40percentclub/nein/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/40percentclub/nori/config.h b/keyboards/40percentclub/nori/config.h
index ecaa68ada0b..8e24ef88e12 100644
--- a/keyboards/40percentclub/nori/config.h
+++ b/keyboards/40percentclub/nori/config.h
@@ -186,31 +186,3 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/40percentclub/nori/rules.mk b/keyboards/40percentclub/nori/rules.mk
index e9b24fc92ad..5fbdb3ac0b0 100644
--- a/keyboards/40percentclub/nori/rules.mk
+++ b/keyboards/40percentclub/nori/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_4x4 ortho_4x8 ortho_4x12
diff --git a/keyboards/abacus/rules.mk b/keyboards/abacus/rules.mk
index d3112166961..8d6add27d19 100644
--- a/keyboards/abacus/rules.mk
+++ b/keyboards/abacus/rules.mk
@@ -29,7 +29,6 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
UNICODEMAP_ENABLE = yes
ENCODER_ENABLE = yes
DIP_SWITCH_ENABLE = yes
diff --git a/keyboards/abstract/ellipse/rev1/config.h b/keyboards/abstract/ellipse/rev1/config.h
index 15606f3d44c..a92dd1b0e98 100644
--- a/keyboards/abstract/ellipse/rev1/config.h
+++ b/keyboards/abstract/ellipse/rev1/config.h
@@ -202,34 +202,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/abstract/ellipse/rev1/rules.mk b/keyboards/abstract/ellipse/rev1/rules.mk
index 214b0a39756..7ee34b10712 100644
--- a/keyboards/abstract/ellipse/rev1/rules.mk
+++ b/keyboards/abstract/ellipse/rev1/rules.mk
@@ -30,5 +30,4 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
ENCODER_ENABLE = yes # Enable support for rotary encoders
diff --git a/keyboards/acheron/austin/rules.mk b/keyboards/acheron/austin/rules.mk
index 17e589ad7cf..a627eed8a02 100644
--- a/keyboards/acheron/austin/rules.mk
+++ b/keyboards/acheron/austin/rules.mk
@@ -19,7 +19,6 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enter lower-power sleep mode when on the ChibiOS idle thread
OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE
diff --git a/keyboards/acheron/elongate/config.h b/keyboards/acheron/elongate/config.h
index df8c1a83149..dfba6728dbe 100644
--- a/keyboards/acheron/elongate/config.h
+++ b/keyboards/acheron/elongate/config.h
@@ -217,34 +217,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/acheron/elongate/rules.mk b/keyboards/acheron/elongate/rules.mk
index 0f0ca33e9c6..c0e8f35ac5e 100644
--- a/keyboards/acheron/elongate/rules.mk
+++ b/keyboards/acheron/elongate/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LTO_ENABLE = yes
diff --git a/keyboards/acheron/keebspcb/rules.mk b/keyboards/acheron/keebspcb/rules.mk
index 3f2f03188a0..3912bcbc7df 100644
--- a/keyboards/acheron/keebspcb/rules.mk
+++ b/keyboards/acheron/keebspcb/rules.mk
@@ -19,7 +19,6 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
# Enter lower-power sleep mode when on the ChibiOS idle thread
OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE
diff --git a/keyboards/acheron/shark/config.h b/keyboards/acheron/shark/config.h
index ac6df142447..bb3df338188 100644
--- a/keyboards/acheron/shark/config.h
+++ b/keyboards/acheron/shark/config.h
@@ -228,34 +228,6 @@ B0, which is unconnected on the PCB
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/acheron/shark/rules.mk b/keyboards/acheron/shark/rules.mk
index 30c4593db22..1bd963c8172 100644
--- a/keyboards/acheron/shark/rules.mk
+++ b/keyboards/acheron/shark/rules.mk
@@ -20,6 +20,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_4x12
diff --git a/keyboards/ai03/equinox/rev0/rules.mk b/keyboards/ai03/equinox/rev0/rules.mk
index c1de6202960..28cb40d4cb9 100644
--- a/keyboards/ai03/equinox/rev0/rules.mk
+++ b/keyboards/ai03/equinox/rev0/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/ai03/equinox/rev1/rules.mk b/keyboards/ai03/equinox/rev1/rules.mk
index c1de6202960..28cb40d4cb9 100644
--- a/keyboards/ai03/equinox/rev1/rules.mk
+++ b/keyboards/ai03/equinox/rev1/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/ai03/lunar/config.h b/keyboards/ai03/lunar/config.h
index 5bc0a0c49b0..5e23ec55af8 100644
--- a/keyboards/ai03/lunar/config.h
+++ b/keyboards/ai03/lunar/config.h
@@ -211,34 +211,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ai03/lunar/rules.mk b/keyboards/ai03/lunar/rules.mk
index 62da535e1f2..afce159bf70 100644
--- a/keyboards/ai03/lunar/rules.mk
+++ b/keyboards/ai03/lunar/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/ai03/orbit/config.h b/keyboards/ai03/orbit/config.h
index 051b924b877..be209f83d44 100644
--- a/keyboards/ai03/orbit/config.h
+++ b/keyboards/ai03/orbit/config.h
@@ -216,34 +216,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ai03/orbit/rules.mk b/keyboards/ai03/orbit/rules.mk
index 706ba9b0651..4d18021dc62 100644
--- a/keyboards/ai03/orbit/rules.mk
+++ b/keyboards/ai03/orbit/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
USE_I2C = no # I2C for split communication
CUSTOM_MATRIX = yes # For providing custom matrix.c (in this case, override regular matrix.c with split matrix.c)
# SPLIT_KEYBOARD = yes # Split keyboard flag disabled as manual edits had to be done to the split common files
diff --git a/keyboards/ai03/orbit_x/rules.mk b/keyboards/ai03/orbit_x/rules.mk
index 111ca910a9c..f401a9d0b2c 100644
--- a/keyboards/ai03/orbit_x/rules.mk
+++ b/keyboards/ai03/orbit_x/rules.mk
@@ -29,5 +29,4 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
SPLIT_KEYBOARD = yes # Split keyboard
\ No newline at end of file
diff --git a/keyboards/ai03/polaris/rules.mk b/keyboards/ai03/polaris/rules.mk
index 8f94582a863..56e1ed8e0c4 100644
--- a/keyboards/ai03/polaris/rules.mk
+++ b/keyboards/ai03/polaris/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = 60_ansi 60_ansi_split_bs_rshift 60_tsangan_hhkb
diff --git a/keyboards/ai03/quasar/config.h b/keyboards/ai03/quasar/config.h
index 7c02f91d042..077ca3a9faa 100644
--- a/keyboards/ai03/quasar/config.h
+++ b/keyboards/ai03/quasar/config.h
@@ -218,34 +218,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ai03/quasar/rules.mk b/keyboards/ai03/quasar/rules.mk
index 3cb2d3ab70e..58c7454420b 100644
--- a/keyboards/ai03/quasar/rules.mk
+++ b/keyboards/ai03/quasar/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/ai03/soyuz/config.h b/keyboards/ai03/soyuz/config.h
index 299e5999d60..213b6509b4d 100644
--- a/keyboards/ai03/soyuz/config.h
+++ b/keyboards/ai03/soyuz/config.h
@@ -212,34 +212,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ai03/soyuz/rules.mk b/keyboards/ai03/soyuz/rules.mk
index bcf4f80bb81..d75ca6435b7 100644
--- a/keyboards/ai03/soyuz/rules.mk
+++ b/keyboards/ai03/soyuz/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_5x4
diff --git a/keyboards/akb/eb46/rules.mk b/keyboards/akb/eb46/rules.mk
index bd3cd09a9fd..46d5a4193be 100644
--- a/keyboards/akb/eb46/rules.mk
+++ b/keyboards/akb/eb46/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/akb/raine/rules.mk b/keyboards/akb/raine/rules.mk
index bd3cd09a9fd..46d5a4193be 100644
--- a/keyboards/akb/raine/rules.mk
+++ b/keyboards/akb/raine/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/alf/dc60/config.h b/keyboards/alf/dc60/config.h
index bbdac062c74..b4cff82d411 100644
--- a/keyboards/alf/dc60/config.h
+++ b/keyboards/alf/dc60/config.h
@@ -188,31 +188,3 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/alf/dc60/rules.mk b/keyboards/alf/dc60/rules.mk
index 7c87642acc6..8d93d390d2a 100644
--- a/keyboards/alf/dc60/rules.mk
+++ b/keyboards/alf/dc60/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/alf/x11/config.h b/keyboards/alf/x11/config.h
index 587e97cd87f..fcf4e85a9f8 100644
--- a/keyboards/alf/x11/config.h
+++ b/keyboards/alf/x11/config.h
@@ -212,34 +212,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/alf/x11/rules.mk b/keyboards/alf/x11/rules.mk
index decff4f7914..6c2b8080c5f 100644
--- a/keyboards/alf/x11/rules.mk
+++ b/keyboards/alf/x11/rules.mk
@@ -30,5 +30,4 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
EXTRAFLAGS += -flto
diff --git a/keyboards/allison/config.h b/keyboards/allison/config.h
index e2e032442d7..34e3989805b 100644
--- a/keyboards/allison/config.h
+++ b/keyboards/allison/config.h
@@ -218,34 +218,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
#define BOOTMAGIC_LITE_ROW 0
#define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/allison/rules.mk b/keyboards/allison/rules.mk
index 3d524e478fb..11ee9baaacb 100644
--- a/keyboards/allison/rules.mk
+++ b/keyboards/allison/rules.mk
@@ -29,4 +29,3 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/allison_numpad/config.h b/keyboards/allison_numpad/config.h
index 0e04a8722a1..624b96471b3 100644
--- a/keyboards/allison_numpad/config.h
+++ b/keyboards/allison_numpad/config.h
@@ -218,34 +218,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
#define BOOTMAGIC_LITE_ROW 0
#define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/allison_numpad/rules.mk b/keyboards/allison_numpad/rules.mk
index 19e21ec9ec6..9b102bddccf 100644
--- a/keyboards/allison_numpad/rules.mk
+++ b/keyboards/allison_numpad/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_6x4 numpad_6x4
diff --git a/keyboards/angel17/alpha/config.h b/keyboards/angel17/alpha/config.h
index 2bb74acc897..abc42d0d277 100644
--- a/keyboards/angel17/alpha/config.h
+++ b/keyboards/angel17/alpha/config.h
@@ -216,34 +216,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/angel17/alpha/rules.mk b/keyboards/angel17/alpha/rules.mk
index 51660ce5fc9..931a6412cb9 100644
--- a/keyboards/angel17/alpha/rules.mk
+++ b/keyboards/angel17/alpha/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = numpad_5x4
diff --git a/keyboards/angel17/rev1/config.h b/keyboards/angel17/rev1/config.h
index 3e5af362abb..711790ab083 100644
--- a/keyboards/angel17/rev1/config.h
+++ b/keyboards/angel17/rev1/config.h
@@ -211,34 +211,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/angel17/rev1/rules.mk b/keyboards/angel17/rev1/rules.mk
index 7384c23de11..d2c2b8f9222 100644
--- a/keyboards/angel17/rev1/rules.mk
+++ b/keyboards/angel17/rev1/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = numpad_5x4
diff --git a/keyboards/angel17/rules.mk b/keyboards/angel17/rules.mk
index bd5ae48de9f..8106f4651ef 100644
--- a/keyboards/angel17/rules.mk
+++ b/keyboards/angel17/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = numpad_5x4
diff --git a/keyboards/angel64/alpha/config.h b/keyboards/angel64/alpha/config.h
index f10f9b0910c..07dae8952df 100644
--- a/keyboards/angel64/alpha/config.h
+++ b/keyboards/angel64/alpha/config.h
@@ -209,34 +209,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/angel64/rev1/config.h b/keyboards/angel64/rev1/config.h
index f10f9b0910c..07dae8952df 100644
--- a/keyboards/angel64/rev1/config.h
+++ b/keyboards/angel64/rev1/config.h
@@ -209,34 +209,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/angel64/rules.mk b/keyboards/angel64/rules.mk
index 1c44782e2cd..7da4be67989 100644
--- a/keyboards/angel64/rules.mk
+++ b/keyboards/angel64/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
OLED_DRIVER_ENABLE = yes
CUSTOM_MATRIX = yes
diff --git a/keyboards/aplx6/rules.mk b/keyboards/aplx6/rules.mk
index d2d1078d322..15167ce88f4 100644
--- a/keyboards/aplx6/rules.mk
+++ b/keyboards/aplx6/rules.mk
@@ -29,5 +29,4 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
UNICODE_ENABLE = yes # Unicode
diff --git a/keyboards/arabica37/rev1/rules.mk b/keyboards/arabica37/rev1/rules.mk
index 10c5ab28bb9..7b230343f18 100644
--- a/keyboards/arabica37/rev1/rules.mk
+++ b/keyboards/arabica37/rev1/rules.mk
@@ -28,6 +28,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
SPLIT_KEYBOARD = yes
diff --git a/keyboards/ash1800/config.h b/keyboards/ash1800/config.h
index 9f25a0f1164..b46a966c80d 100644
--- a/keyboards/ash1800/config.h
+++ b/keyboards/ash1800/config.h
@@ -220,34 +220,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ash1800/rules.mk b/keyboards/ash1800/rules.mk
index b4f1dacac83..36606ade233 100644
--- a/keyboards/ash1800/rules.mk
+++ b/keyboards/ash1800/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/ashpil/modelm_usbc/rules.mk b/keyboards/ashpil/modelm_usbc/rules.mk
index 2b2e83c65d0..fbb929ed896 100644
--- a/keyboards/ashpil/modelm_usbc/rules.mk
+++ b/keyboards/ashpil/modelm_usbc/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
\ No newline at end of file
diff --git a/keyboards/atreus/rules.mk b/keyboards/atreus/rules.mk
index eb16f2f46e2..cc8f0c91125 100644
--- a/keyboards/atreus/rules.mk
+++ b/keyboards/atreus/rules.mk
@@ -17,6 +17,5 @@ UNICODE_ENABLE = yes # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
DEFAULT_FOLDER = atreus/astar
diff --git a/keyboards/aves65/rules.mk b/keyboards/aves65/rules.mk
index 911c1d95ab5..e89014466ea 100644
--- a/keyboards/aves65/rules.mk
+++ b/keyboards/aves65/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = 65_iso_blocker
diff --git a/keyboards/baguette/config.h b/keyboards/baguette/config.h
index 9aa525cfd5c..6e3b00ac368 100644
--- a/keyboards/baguette/config.h
+++ b/keyboards/baguette/config.h
@@ -188,31 +188,3 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
diff --git a/keyboards/baguette/rules.mk b/keyboards/baguette/rules.mk
index f911fb5d376..a26ad25f89e 100644
--- a/keyboards/baguette/rules.mk
+++ b/keyboards/baguette/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/bakeneko80/config.h b/keyboards/bakeneko80/config.h
index 04b2569e281..39d388a41b1 100644
--- a/keyboards/bakeneko80/config.h
+++ b/keyboards/bakeneko80/config.h
@@ -217,34 +217,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/bakeneko80/rules.mk b/keyboards/bakeneko80/rules.mk
index 1f9b6d4daad..1cec2845622 100644
--- a/keyboards/bakeneko80/rules.mk
+++ b/keyboards/bakeneko80/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = tkl_ansi
diff --git a/keyboards/bat43/config.h b/keyboards/bat43/config.h
index eb1c1a05cf0..aa8dc493e2b 100644
--- a/keyboards/bat43/config.h
+++ b/keyboards/bat43/config.h
@@ -218,34 +218,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/bat43/rules.mk b/keyboards/bat43/rules.mk
index cc29455e3f3..c35119993a0 100644
--- a/keyboards/bat43/rules.mk
+++ b/keyboards/bat43/rules.mk
@@ -29,6 +29,5 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
DEFAULT_FOLDER = bat43/rev2
diff --git a/keyboards/bigswitch/keymaps/wanleg/rules.mk b/keyboards/bigswitch/keymaps/wanleg/rules.mk
index a6c7d1d3f0e..75da67fa47a 100644
--- a/keyboards/bigswitch/keymaps/wanleg/rules.mk
+++ b/keyboards/bigswitch/keymaps/wanleg/rules.mk
@@ -13,4 +13,3 @@ MIDI_ENABLE = no # MIDI support (+2400 to 4200, depending on config)
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs (+400)
\ No newline at end of file
diff --git a/keyboards/bm16a/config.h b/keyboards/bm16a/config.h
index 249b57c35a6..9d0812af292 100644
--- a/keyboards/bm16a/config.h
+++ b/keyboards/bm16a/config.h
@@ -213,34 +213,6 @@
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/bm16a/rules.mk b/keyboards/bm16a/rules.mk
index 3e994588f5e..b4b9ee049f1 100644
--- a/keyboards/bm16a/rules.mk
+++ b/keyboards/bm16a/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
LAYOUTS = ortho_4x4
diff --git a/keyboards/bm43a/rules.mk b/keyboards/bm43a/rules.mk
index 5fa842c8bb1..dfc402a39fe 100644
--- a/keyboards/bm43a/rules.mk
+++ b/keyboards/bm43a/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/bm60rgb/rules.mk b/keyboards/bm60rgb/rules.mk
index 4372a630688..72bfd539da8 100644
--- a/keyboards/bm60rgb/rules.mk
+++ b/keyboards/bm60rgb/rules.mk
@@ -30,7 +30,6 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
RGB_MATRIX_ENABLE = WS2812
LINK_TIME_OPTIMIZATION_ENABLE = yes
diff --git a/keyboards/botanicalkeyboards/fm2u/rules.mk b/keyboards/botanicalkeyboards/fm2u/rules.mk
index 4f7f9b28642..14d4b348dec 100644
--- a/keyboards/botanicalkeyboards/fm2u/rules.mk
+++ b/keyboards/botanicalkeyboards/fm2u/rules.mk
@@ -29,4 +29,3 @@ MIDI_ENABLE = no # MIDI support
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/bthlabs/geekpad/config.h b/keyboards/bthlabs/geekpad/config.h
index c2b3dd3039f..0d33bb89a3b 100644
--- a/keyboards/bthlabs/geekpad/config.h
+++ b/keyboards/bthlabs/geekpad/config.h
@@ -189,34 +189,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/bthlabs/geekpad/rules.mk b/keyboards/bthlabs/geekpad/rules.mk
index 4b7193da495..524144836d6 100644
--- a/keyboards/bthlabs/geekpad/rules.mk
+++ b/keyboards/bthlabs/geekpad/rules.mk
@@ -30,4 +30,3 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
diff --git a/keyboards/business_card/alpha/config.h b/keyboards/business_card/alpha/config.h
index e0324d65448..fbb4054ecd7 100644
--- a/keyboards/business_card/alpha/config.h
+++ b/keyboards/business_card/alpha/config.h
@@ -210,34 +210,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/business_card/alpha/rules.mk b/keyboards/business_card/alpha/rules.mk
index 13cbddc3c8f..281a60bac1b 100644
--- a/keyboards/business_card/alpha/rules.mk
+++ b/keyboards/business_card/alpha/rules.mk
@@ -30,5 +30,4 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
OLED_DRIVER_ENABLE = yes
diff --git a/keyboards/business_card/beta/config.h b/keyboards/business_card/beta/config.h
index fc6514982f1..b9e0120f318 100644
--- a/keyboards/business_card/beta/config.h
+++ b/keyboards/business_card/beta/config.h
@@ -210,34 +210,6 @@ along with this program. If not, see .
/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
//#define MIDI_TONE_KEYCODE_OCTAVES 1
-/*
- * HD44780 LCD Display Configuration
- */
-/*
-#define LCD_LINES 2 //< number of visible lines of the display
-#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
-
-#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
-
-#if LCD_IO_MODE
-#define LCD_PORT PORTB //< port for the LCD lines
-#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
-#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
-#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
-#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
-#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
-#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
-#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
-#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
-#define LCD_RS_PORT LCD_PORT //< port for RS line
-#define LCD_RS_PIN 3 //< pin for RS line
-#define LCD_RW_PORT LCD_PORT //< port for RW line
-#define LCD_RW_PIN 2 //< pin for RW line
-#define LCD_E_PORT LCD_PORT //< port for Enable line
-#define LCD_E_PIN 1 //< pin for Enable line
-#endif
-*/
-
/* Bootmagic Lite key configuration */
// #define BOOTMAGIC_LITE_ROW 0
// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/business_card/beta/rules.mk b/keyboards/business_card/beta/rules.mk
index 13cbddc3c8f..281a60bac1b 100644
--- a/keyboards/business_card/beta/rules.mk
+++ b/keyboards/business_card/beta/rules.mk
@@ -30,5 +30,4 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
OLED_DRIVER_ENABLE = yes
diff --git a/keyboards/business_card/rules.mk b/keyboards/business_card/rules.mk
index 591261d2868..7b58e035f91 100644
--- a/keyboards/business_card/rules.mk
+++ b/keyboards/business_card/rules.mk
@@ -30,6 +30,5 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no # Enable support for HD44780 based LCDs
DEFAULT_FOLDER = business_card/beta