diff --git a/Makefile b/Makefile
index abb3247..9e57970 100644
--- a/Makefile
+++ b/Makefile
@@ -103,7 +103,7 @@ $(BUILD):
 #-------------------------------------------------------------------------------
 clean:
 	@echo clean ...
-	@rm -fr $(BUILD) $(TARGET).rpx $(TARGET).elf
+	@rm -fr $(BUILD) $(TARGET).wms $(TARGET).elf
 
 #-------------------------------------------------------------------------------
 else