diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index e4d8dea1db365..f7566551b5e29 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -15,9 +15,6 @@
 #include <drm/drm_modes.h>
 #include <drm/drm_panel.h>
 
-#define ST7789V_COLMOD_RGB_FMT_18BITS		(6 << 4)
-#define ST7789V_COLMOD_CTRL_FMT_18BITS		(6 << 0)
-
 #define ST7789V_RAMCTRL_CMD		0xb0
 #define ST7789V_RAMCTRL_RM_RGB			BIT(4)
 #define ST7789V_RAMCTRL_DM_RGB			BIT(0)