diff --git a/args.go b/args.go
index 20a022b3..0939321a 100644
--- a/args.go
+++ b/args.go
@@ -52,7 +52,7 @@ func OnlyValidArgs(cmd *Command, args []string) error {
 }
 
 // ArbitraryArgs never returns an error.
-func ArbitraryArgs(cmd *Command, args []string) error {
+func ArbitraryArgs(_ *Command, _ []string) error {
 	return nil
 }
 
diff --git a/command.go b/command.go
index 2cc18891..cdc6071b 100644
--- a/command.go
+++ b/command.go
@@ -614,8 +614,8 @@ func argsMinusFirstX(args []string, x string) []string {
 }
 
 func isFlagArg(arg string) bool {
-	return ((len(arg) >= 3 && arg[1] == '-') ||
-		(len(arg) >= 2 && arg[0] == '-' && arg[1] != '-'))
+	return (len(arg) >= 3 && arg[1] == '-') ||
+		(len(arg) >= 2 && arg[0] == '-' && arg[1] != '-')
 }
 
 // Find the target command given the args and command tree
diff --git a/completions.go b/completions.go
index 9ecd56a4..42403a21 100644
--- a/completions.go
+++ b/completions.go
@@ -168,7 +168,7 @@ func (c *Command) initCompleteCmd(args []string) {
 				// 2- Even without completions, we need to print the directive
 			}
 
-			noDescriptions := (cmd.CalledAs() == ShellCompNoDescRequestCmd)
+			noDescriptions := cmd.CalledAs() == ShellCompNoDescRequestCmd
 			for _, comp := range completions {
 				if noDescriptions {
 					// Remove any description that may be included following a tab character.
diff --git a/zsh_completions.go b/zsh_completions.go
index 624adab5..a5e03500 100644
--- a/zsh_completions.go
+++ b/zsh_completions.go
@@ -38,7 +38,7 @@ func (c *Command) GenZshCompletionNoDesc(w io.Writer) error {
 // ShellCompDirectiveFilterFileExt.
 //
 // Deprecated
-func (c *Command) MarkZshCompPositionalArgumentFile(argPosition int, patterns ...string) error {
+func (c *Command) MarkZshCompPositionalArgumentFile(_ int, _ ...string) error {
 	return nil
 }
 
@@ -49,7 +49,7 @@ func (c *Command) MarkZshCompPositionalArgumentFile(argPosition int, patterns ..
 // any argument (can include the first one also).
 //
 // Deprecated
-func (c *Command) MarkZshCompPositionalArgumentWords(argPosition int, words ...string) error {
+func (c *Command) MarkZshCompPositionalArgumentWords(_ int, _ ...string) error {
 	return nil
 }