diff --git a/cmd/create.go b/cmd/create.go
index 2c9657b..5886c5e 100644
--- a/cmd/create.go
+++ b/cmd/create.go
@@ -36,7 +36,7 @@ var createCmd = &cobra.Command{
 	ValidArgsFunction: validNouns,
 	Long: `Create containers specified by the arguments. Arguments can be either container
 names or categories. Multiple arguments are supported.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		conts := config.Union(args)
 		for _, c := range conts {
 			fmt.Fprintln(output, "CREATE", c.Name)
diff --git a/cmd/nouns.go b/cmd/nouns.go
index 929e715..403f3db 100644
--- a/cmd/nouns.go
+++ b/cmd/nouns.go
@@ -26,7 +26,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-func validNouns(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+func validNouns(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) {
 	validArgs := []string{}
 	for _, c := range config.Union([]string{}) {
 		validArgs = append(validArgs, c.Name)
diff --git a/cmd/recreate.go b/cmd/recreate.go
index 3ae1b02..0f4210e 100644
--- a/cmd/recreate.go
+++ b/cmd/recreate.go
@@ -30,13 +30,13 @@ import (
 
 // recreateCmd represents the recreate command
 var recreateCmd = &cobra.Command{
-	Use:   "recreate",
-	Short: "Recreate container images",
+	Use:               "recreate",
+	Short:             "Recreate container images",
 	Args:              cobra.OnlyValidArgs,
 	ValidArgsFunction: validNouns,
 	Long: `Recreate container images, stopping and restarting if necessary. Arguments can be
 one or more container names or categories. If empty, "all" is assumed.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		conts := config.Union(args)
 		for _, c := range conts {
 			fmt.Fprintln(output, "RECREATE", c.Name)
diff --git a/cmd/restart.go b/cmd/restart.go
index 3d389f9..e04ad92 100644
--- a/cmd/restart.go
+++ b/cmd/restart.go
@@ -30,13 +30,13 @@ import (
 
 // restartCmd represents the restart command
 var restartCmd = &cobra.Command{
-	Use:   "restart",
-	Short: "Restart containers",
+	Use:               "restart",
+	Short:             "Restart containers",
 	Args:              cobra.OnlyValidArgs,
 	ValidArgsFunction: validNouns,
 	Long: `Stop configured containers (if running), then restart them. Arguments can be
 one or more container names or categories. If empty, "all" is assumed.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		conts := config.Union(args)
 		for _, c := range conts {
 			fmt.Fprintln(output, "RESTART", c.Name)
@@ -52,14 +52,4 @@ one or more container names or categories. If empty, "all" is assumed.`,
 
 func init() {
 	rootCmd.AddCommand(restartCmd)
-
-	// Here you will define your flags and configuration settings.
-
-	// Cobra supports Persistent Flags which will work for this command
-	// and all subcommands, e.g.:
-	// restartCmd.PersistentFlags().String("foo", "", "A help for foo")
-
-	// Cobra supports local flags which will only run when this command
-	// is called directly, e.g.:
-	// restartCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
 }
diff --git a/cmd/start.go b/cmd/start.go
index 8fcc095..68fbb25 100644
--- a/cmd/start.go
+++ b/cmd/start.go
@@ -36,7 +36,7 @@ var startCmd = &cobra.Command{
 	ValidArgsFunction: validNouns,
 	Long: `Start configured containers. They must be created first. Arguments can be
 one or more container names or categories. If empty, "all" is assumed.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		conts := config.Union(args)
 		for _, c := range conts {
 			fmt.Fprintln(output, "START", c.Name)
diff --git a/cmd/update.go b/cmd/update.go
index 3ca6203..62bcbf7 100644
--- a/cmd/update.go
+++ b/cmd/update.go
@@ -36,7 +36,7 @@ var updateCmd = &cobra.Command{
 	ValidArgsFunction: validNouns,
 	Long: `Update container images, stopping and restarting if necessary. Arguments can be
 one or more container names or categories. If empty, "all" is assumed.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		conts := config.Union(args)
 		for _, c := range conts {
 			fmt.Fprintln(output, "UPDATE", c.Name)