diff --git a/tools/net/ynl/lib/Makefile b/tools/net/ynl/lib/Makefile
index 1507833d05c5..dfff3ecd1cba 100644
--- a/tools/net/ynl/lib/Makefile
+++ b/tools/net/ynl/lib/Makefile
@@ -17,6 +17,7 @@ ynl.a: $(OBJS)
 	ar rcs $@ $(OBJS)
 clean:
 	rm -f *.o *.d *~
+	rm -rf __pycache__
 
 distclean: clean
 	rm -f *.a