--- a/src/python/samples/recollgui/Makefile
+++ b/src/python/samples/recollgui/Makefile
@@ -2,3 +2,6 @@
 
 rclmain.py: rclmain.ui
 	pyuic4 -o rclmain.py rclmain.ui
+
+clean:
+	rm -f rclmain.py rclmain.pyc