diff --git a/src/Makefile b/src/Makefile
index 9637c0d..7e72fb6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -195,7 +195,7 @@ else
 		CFLAGS_EXTRA=-D__NOINLINE__
 	else
 	endif	
-	CFLAGS =-c -S -cpu=$(VBCC_CPU) +$(CFG_FILE) $(CFLAGS_EXTRA) -O2
+	CFLAGS =-c -S -cpu=$(VBCC_CPU) +$(CFG_FILE) $(CFLAGS_EXTRA)
 	LDFLAGS = +$(CFG_FILE)
 endif