diff --git a/nemu/scripts/native.mk b/nemu/scripts/native.mk
index dfeebe4..2d71ef7 100644
--- a/nemu/scripts/native.mk
+++ b/nemu/scripts/native.mk
@@ -47,13 +47,4 @@ $(clean-tools):
 clean-tools: $(clean-tools)
 clean-all: clean distclean clean-tools
 
-
-DEFINE ?=
-test: CFLAGS += -D$(DEFINE)
-test: run
-	@echo "Testing $(DEFINE)"
-	@echo "$TESTING $(CFLAGS)"
-
-
-
 .PHONY: run gdb run-env clean-tools clean-all $(clean-tools) test