2 files changed, 0 insertions, 18 deletions
diff --git a/keyboards/preonic/rev3/rev3.c b/keyboards/preonic/rev3/rev3.c
index ec8a56108e..7ccff70611 100644
--- a/keyboards/preonic/rev3/rev3.c
+++ b/keyboards/preonic/rev3/rev3.c
@@ -43,23 +43,6 @@ led_config_t g_led_config = { {
 //     7 8 1 2
 #endif
 
-void matrix_init_kb(void) {
-	matrix_init_user();
-}
-
-void matrix_scan_kb(void) {
-	matrix_scan_user();
-}
-
-#ifdef DIP_SWITCH_ENABLE
- __attribute__((weak))
-void dip_update(uint8_t index, bool active) {}
-
- __attribute__((weak))
-void dip_switch_update_user(uint8_t index, bool active) {
-    dip_update(index, active);
-}
-#endif
 
 #ifdef SWAP_HANDS_ENABLE
 __attribute__ ((weak))
diff --git a/keyboards/preonic/rev3/rules.mk b/keyboards/preonic/rev3/rules.mk
index 034ace02ad..3c330d02dd 100644
--- a/keyboards/preonic/rev3/rules.mk
+++ b/keyboards/preonic/rev3/rules.mk
@@ -22,7 +22,6 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight.
 WS2812_DRIVER = pwm
-API_SYSEX_ENABLE = no
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend