diff --git a/python/Makefile.am b/python/Makefile.am
index 9aca202b5..c2f57a6ba 100644
--- a/python/Makefile.am
+++ b/python/Makefile.am
@@ -159,4 +159,4 @@ CLEANFILES += \
 	utils.c
 
 clean-local:
-	rm -rf build dist
+	rm -rf build dist __pycache__ t/__pycache__