diff --git a/test/Makefile b/test/Makefile
index cea8d4f..add62ae 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -72,3 +72,4 @@ all: $(EXECUTABLES)
 
 clean:
 	rm -f $(EXECUTABLES)
+	rm -fr ./__pycache__