diff --git a/tools/testing/selftests/splice/Makefile b/tools/testing/selftests/splice/Makefile
index 559512c2075e..9fc78e5e5451 100644
--- a/tools/testing/selftests/splice/Makefile
+++ b/tools/testing/selftests/splice/Makefile
@@ -4,5 +4,4 @@ all: $(TEST_PROGS) $(EXTRA)
 
 include ../lib.mk
 
-clean:
-	rm -fr $(EXTRA)
+EXTRA_CLEAN := $(EXTRA)