diff --git a/sandbox/jenkins-test b/sandbox/jenkins-test
index 1189f837..0fe14dce 100755
--- a/sandbox/jenkins-test
+++ b/sandbox/jenkins-test
@@ -62,11 +62,8 @@ export LANG="en_US.UTF-8"
 # ######################################### #
 # Remove conf files that's shouldn't exist. #
 # ######################################### #
-(
-   rm ~/.pt-*conf*
-   rm ~/.my*
-   true
-)
+rm ~/.pt-*conf* || true
+rm ~/.my*       || true
 
 #############################
 # Check and start test env. #