diff --git a/netconf/protos/Makefile b/netconf/protos/Makefile
index 5a5da58..94bfaab 100644
--- a/netconf/protos/Makefile
+++ b/netconf/protos/Makefile
@@ -52,6 +52,7 @@
 	rm -f $(PROTO_PB2_FILES) $(PROTO_DESC_FILES)
 	rm $(TARGET_YANG_OPTION_DIR)/$(YANG_OPTION_FILE)
 	rm $(TARGET_PROTO_DIR)/*.py
+	rm $(TARGET_PROTO_DIR)/*.pyc