diff --git a/example_designs/test/Makefile b/example_designs/test/Makefile
index 46e865b..e5b2551 100644
--- a/example_designs/test/Makefile
+++ b/example_designs/test/Makefile
@@ -13,4 +13,7 @@ test_inout:
 test_logic_analyzer:
 	$(CMD) test_logic_analyzer
 
-all: test_regs test_inout test_logic_analyzer
\ No newline at end of file
+all: test_regs test_inout test_logic_analyzer
+
+clean:
+	rm -f *.csv dump.*