Unset profile when it is deleted

cmd/minikube/cmd/config/unset.go

@@ -30,7 +30,7 @@ var configUnsetCmd = &cobra.Command{
 		if len(args) != 1 {
 			exit.UsageT("usage: minikube config unset PROPERTY_NAME")
 		}
-		err := unset(args[0])
+		err := Unset(args[0])
 		if err != nil {
 			exit.WithError("unset failed", err)
 		}
@@ -41,7 +41,8 @@ func init() {
 	ConfigCmd.AddCommand(configUnsetCmd)
 }
 
-func unset(name string) error {
+// Unset unsets a property
+func Unset(name string) error {
 	m, err := pkgConfig.ReadConfig()
 	if err != nil {
 		return err

cmd/minikube/cmd/config/unset_test.go

@@ -25,7 +25,7 @@ func TestUnsetConfig(t *testing.T) {
 	if err != nil {
 		t.Errorf("Failed to set the property %q", propName)
 	}
-	err = unset(propName)
+	err = Unset(propName)
 	if err != nil {
 		t.Errorf("Failed to unset property %q", err)
 	}

cmd/minikube/cmd/delete.go

@@ -92,6 +92,10 @@ func runDelete(cmd *cobra.Command, args []string) {
 	if err := pkgutil.DeleteKubeConfigContext(constants.KubeconfigPath, machineName); err != nil {
 		exit.WithError("update config", err)
 	}
+
+	if err := cmdcfg.Unset(pkg_config.MachineProfile); err != nil {
+		exit.WithError("unset minikube profile", err)
+	}
 }
 
 func uninstallKubernetes(api libmachine.API, kc pkg_config.KubernetesConfig, bsName string) {