diff --git a/tests/Makefile b/tests/Makefile
index 31f0d79715..d061c4da77 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -14,7 +14,7 @@ TEST_RUNNER?=
 all: build
 
 clean:
-	rm -rf $(BUILD)/bins_* $(BUILD)/gen $(BUILD)/target
+	rm -rf $(wildcard ./build_*)
 
 build: $(BUILD)/bins_verify/relibc-tests $(BINS) $(EXPECT_BINS) $(EXPECT_INPUT_BINS) support_build