diff --git a/ndn-traffic-generator/debian/rules b/ndn-traffic-generator/debian/rules
index 7e02827..d0f2c57 100755
--- a/ndn-traffic-generator/debian/rules
+++ b/ndn-traffic-generator/debian/rules
@@ -35,5 +35,7 @@
 	rm -rf .waf-1*
 	rm -rf .waf3-1*
 	rm -f .waf-tools/*.pyc
+	rm -rf .waf-tools/__pycache__
+	rm -rf docs/__pycache__
 
 override_dh_auto_test: