diff --git a/app.go b/app.go
index 6e6f6d0d63..af072e7699 100644
--- a/app.go
+++ b/app.go
@@ -229,8 +229,6 @@ func (a *App) Setup() {
 		a.separator.disabled = true
 	}
 
-	var newCommands []*Command
-
 	for _, c := range a.Commands {
 		cname := c.Name
 		if c.HelpName != "" {
@@ -239,9 +237,7 @@ func (a *App) Setup() {
 		c.separator = a.separator
 		c.HelpName = fmt.Sprintf("%s %s", a.HelpName, cname)
 		c.flagCategories = newFlagCategoriesFromFlags(c.Flags)
-		newCommands = append(newCommands, c)
 	}
-	a.Commands = newCommands
 
 	if a.Command(helpCommand.Name) == nil && !a.HideHelp {
 		if !a.HideHelpCommand {
diff --git a/command.go b/command.go
index c20a571ee7..472c1ff446 100644
--- a/command.go
+++ b/command.go
@@ -132,15 +132,12 @@ func (c *Command) setup(ctx *Context) {
 	}
 	sort.Sort(c.categories.(*commandCategories))
 
-	var newCmds []*Command
 	for _, scmd := range c.Subcommands {
 		if scmd.HelpName == "" {
 			scmd.HelpName = fmt.Sprintf("%s %s", c.HelpName, scmd.Name)
 		}
 		scmd.separator = c.separator
-		newCmds = append(newCmds, scmd)
 	}
-	c.Subcommands = newCmds
 
 	if c.BashComplete == nil {
 		c.BashComplete = DefaultCompleteWithFlags(c)