diff --git a/source/blender/editors/space_image/image_draw.c b/source/blender/editors/space_image/image_draw.c
index 684e541043a..b4cb4f5f210 100644
--- a/source/blender/editors/space_image/image_draw.c
+++ b/source/blender/editors/space_image/image_draw.c
@@ -393,10 +393,6 @@ static void draw_image_grid(ARegion *ar, float zoomx, float zoomy)
 	glEnd();
 }
 
-static void sima_draw_alpha_backdrop(float x1, float y1, float xsize, float ysize, float zoomx, float zoomy)
-{
-}
-
 static void sima_draw_alpha_pixels(float x1, float y1, int rectx, int recty, unsigned int *recti)
 {