diff --git a/Makefile b/Makefile
index 89d7af7a7..7a78be8ba 100644
--- a/Makefile
+++ b/Makefile
@@ -235,8 +235,6 @@ gfx/unknown/unknown_egg.2bpp: rgbgfx += -h
 	$(if $(tools/gfx),\
 		tools/gfx $(tools/gfx) -d1 -o $@ $@)
 
-%.tilemap: %.png
-	$(RGBGFX) -t $@ $<
 %.gbcpal: %.png
 	$(RGBGFX) -p $@ $<
 %.dimensions: %.png