diff --git a/nfd/debian/rules b/nfd/debian/rules
index 66595bb..5c8b367 100755
--- a/nfd/debian/rules
+++ b/nfd/debian/rules
@@ -35,6 +35,8 @@
 	rm -rf .waf-1*
 	rm -f .waf-tools/*.pyc
 	rm -f docs/*.pyc
+	rm -rf .waf-tools/__pycache__
+	rm -rf docs/__pycache__
 
 override_dh_auto_test: