diff --git a/src/ContainerBuilder.php b/src/ContainerBuilder.php
index ee63e43..73673ae 100644
--- a/src/ContainerBuilder.php
+++ b/src/ContainerBuilder.php
@@ -125,7 +125,7 @@ private static function configureContainerCache(DIContainerBuilder $containerBui
      * Get definitions for Slim's default services
      *
      * @param array $userSettings
-     * @return array
+     * @return Closure[]
      */
     private static function getDefaultServicesDefinitions(array $userSettings)
     {
diff --git a/tests/PHPDI/ContainerBuilderTest.php b/tests/PHPDI/ContainerBuilderTest.php
index 414c9eb..63bd87d 100644
--- a/tests/PHPDI/ContainerBuilderTest.php
+++ b/tests/PHPDI/ContainerBuilderTest.php
@@ -69,9 +69,6 @@ public function testBuildDefinitions()
      */
     public function testBuildDefinitionsOverride()
     {
-        $settings = [
-            'foo' => 'bar',
-        ];
         $definitions = [
             'settings' => 'foo',
             'foo' => 'baz',