diff --git a/keyboards/planck/ez/config.h b/keyboards/planck/ez/config.h
index bad94827a8ca..59385eb16b14 100644
--- a/keyboards/planck/ez/config.h
+++ b/keyboards/planck/ez/config.h
@@ -140,6 +140,11 @@
 #define RGB_MATRIX_KEYPRESSES
 #define RGB_MATRIX_FRAMEBUFFER_EFFECTS
 
+#define RGB_MATRIX_LED_PROCESS_LIMIT 5
+#define RGB_MATRIX_LED_FLUSH_LIMIT 26
+
+#define I2C1_CLOCK_SPEED 400000
+
 #define IGNORE_MOD_TAP_INTERRUPT
 
 #define TAPPING_TOGGLE  1