--- a/plugins/cron/functions.go	2021-06-07 02:25:18.000000000 +0200
+++ b/plugins/cron/functions.go	2021-07-12 15:58:47.292094682 +0200
@@ -81,13 +81,13 @@
 }

 func deleteCrontab() error {
-	command := common.NewShellCmd("crontab -l -u dokku")
+	command := common.NewShellCmd("crontab -l")
 	command.ShowOutput = false
 	if !command.Execute() {
 		return nil
 	}

-	command = common.NewShellCmd("crontab -r -u dokku")
+	command = common.NewShellCmd("crontab -r")
 	command.ShowOutput = false
 	out, err := command.CombinedOutput()
 	if err != nil {
@@ -163,7 +163,7 @@
 		return fmt.Errorf("Unable to template out schedule file: %v", err)
 	}

-	command := common.NewShellCmd(fmt.Sprintf("crontab -u dokku %s", tmpFile.Name()))
+	command := common.NewShellCmd(fmt.Sprintf("crontab %s", tmpFile.Name()))
 	command.ShowOutput = false
 	out, err := command.CombinedOutput()
 	if err != nil {