diff --git a/Makefile b/Makefile
index 25017af..0d57178 100644
--- a/Makefile
+++ b/Makefile
@@ -2,3 +2,5 @@ all:
 	./script.sh
 deploy:
 	scp -r www/* lccanon@lifc-home.univ-fcomte.fr:public_html/
+clean:
+	-rm data/*.cat data/*.theme data/theme.txt www/programme.html 2> /dev/null