Remove unused `SOFT_SERIAL_PIN` from config.h (#19768)

114 files changed, 2 insertions, 568 deletions

diff --git a/keyboards/40percentclub/4pack/config.h b/keyboards/40percentclub/4pack/config.h
index 553734e923..3a8a54d4fa 100644
--- a/keyboards/40percentclub/4pack/config.h
+++ b/keyboards/40percentclub/4pack/config.h
@@ -41,12 +41,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-// #define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
-
 #define BACKLIGHT_LED_COUNT 2
 #undef BACKLIGHT_PIN
 #define BACKLIGHT_PINS { F6, F7 }
diff --git a/keyboards/40percentclub/nein/config.h b/keyboards/40percentclub/nein/config.h
index d0db24a31c..0cc521499e 100644
--- a/keyboards/40percentclub/nein/config.h
+++ b/keyboards/40percentclub/nein/config.h
@@ -28,11 +28,6 @@
     { B2, B6, B5 }  \
 }
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-// #define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-
 // #define RGB_DI_PIN E2
 // #ifdef RGB_DI_PIN
 //   #define RGBLED_NUM 16
diff --git a/keyboards/acekeyboard/titan60/config.h b/keyboards/acekeyboard/titan60/config.h
index 3dca798985..77a8aef60b 100644
--- a/keyboards/acekeyboard/titan60/config.h
+++ b/keyboards/acekeyboard/titan60/config.h
@@ -41,11 +41,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-// #define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
-
 #define BACKLIGHT_PIN B7
 #define BACKLIGHT_LEVELS 3
 #define BACKLIGHT_BREATHING
diff --git a/keyboards/acheron/elongate/beta/config.h b/keyboards/acheron/elongate/beta/config.h
index 97ba2d870e..c4425e6e85 100644
--- a/keyboards/acheron/elongate/beta/config.h
+++ b/keyboards/acheron/elongate/beta/config.h
@@ -38,11 +38,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-// #define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
-
 #define RGB_DI_PIN D7
 #ifdef RGB_DI_PIN
   #define RGBLED_NUM 16
diff --git a/keyboards/acheron/shark/alpha/config.h b/keyboards/acheron/shark/alpha/config.h
index 4e624fd4bb..e45d721a01 100644
--- a/keyboards/acheron/shark/alpha/config.h
+++ b/keyboards/acheron/shark/alpha/config.h
@@ -52,11 +52,6 @@ B0, which is unconnected on the PCB
 #define BACKLIGHT_PWM_DRIVER PWMD3
 #define BACKLIGHT_PWM_CHANNEL 3
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-//#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-
 // #define RGB_DI_PIN E2
 // #ifdef RGB_DI_PIN
 //   #define RGBLED_NUM 16
diff --git a/keyboards/ai03/equinox/config.h b/keyboards/ai03/equinox/config.h
index cbfc84c82c..6813676493 100644
--- a/keyboards/ai03/equinox/config.h
+++ b/keyboards/ai03/equinox/config.h
@@ -38,11 +38,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-//#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
-
 #define BACKLIGHT_PIN B7
 #define BACKLIGHT_BREATHING
 #define BACKLIGHT_LEVELS 5
diff --git a/keyboards/alt34/rev1/config.h b/keyboards/alt34/rev1/config.h
index a695335123..8c4964a404 100644
--- a/keyboards/alt34/rev1/config.h
+++ b/keyboards/alt34/rev1/config.h
@@ -27,9 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COL_PINS { B6, B2, B3, B1, F7 }
 #define DIODE_DIRECTION COL2ROW
 
-/* serial.c configuration for split keyboard */
-/* #define SOFT_SERIAL_PIN D0 */
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/amjkeyboard/amj84/config.h b/keyboards/amjkeyboard/amj84/config.h
index 8c01759959..4eca36c061 100644
--- a/keyboards/amjkeyboard/amj84/config.h
+++ b/keyboards/amjkeyboard/amj84/config.h
@@ -24,11 +24,6 @@
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-//#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
-
 //#define LED_NUM_LOCK_PIN B0
 //#define LED_CAPS_LOCK_PIN B2
 //#define LED_SCROLL_LOCK_PIN B2
diff --git a/keyboards/ash1800/config.h b/keyboards/ash1800/config.h
index 92cd266927..74d751b294 100644
--- a/keyboards/ash1800/config.h
+++ b/keyboards/ash1800/config.h
@@ -42,11 +42,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-// #define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
-
 // #define RGB_DI_PIN E2
 // #ifdef RGB_DI_PIN
 //   #define RGBLED_NUM 16
diff --git a/keyboards/aves60/config.h b/keyboards/aves60/config.h
index c3e26e1032..02898f292e 100644
--- a/keyboards/aves60/config.h
+++ b/keyboards/aves60/config.h
@@ -24,11 +24,6 @@
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.