diff --git a/keyboards/keebio/cepstrum/rev1/config.h b/keyboards/keebio/cepstrum/rev1/config.h
index 7650feba851c..91e31d2caa8e 100644
--- a/keyboards/keebio/cepstrum/rev1/config.h
+++ b/keyboards/keebio/cepstrum/rev1/config.h
@@ -57,7 +57,6 @@
 #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 120
 #define RGB_MATRIX_DEFAULT_VAL RGB_MATRIX_MAXIMUM_BRIGHTNESS
 #define WS2812_DI_PIN GP18
-#define RGB_DI_PIN GP18
 #define RGB_MATRIX_LED_COUNT 96
 #define RGB_DISABLE_WHEN_USB_SUSPENDED
 #define RGB_MATRIX_FRAMEBUFFER_EFFECTS