diff --git a/scripts/install b/scripts/install
index 901659f..5e93dee 100644
--- a/scripts/install
+++ b/scripts/install
@@ -39,6 +39,7 @@ pushd "$install_dir/sources"
 popd
 
 mv "$install_dir/sources/build" "$install_dir/www"
+ynh_secure_remove --file="$install_dir/sources"
 
 chown -R "$app:www-data" "$install_dir"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index e68dfa7..26b6b46 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -30,6 +30,7 @@ pushd "$install_dir/sources"
 popd
 
 mv "$install_dir/sources/build" "$install_dir/www"
+ynh_secure_remove --file="$install_dir/sources"
 
 chown -R "$app:www-data" "$install_dir"