diff --git a/src/AppInterfaceProvider.php b/src/AppInterfaceProvider.php
index 6173abf..e7908b6 100644
--- a/src/AppInterfaceProvider.php
+++ b/src/AppInterfaceProvider.php
@@ -12,6 +12,10 @@ use Psalm\Plugin\EventHandler\Event\AfterClassLikeVisitEvent;
 use Psalm\Type;
 use Psalm\StatementsSource;
 use function get_class;
+use function in_array;
+use function array_merge;
+use function array_values;
+use function strtolower;
 
 class AppInterfaceProvider implements
     \Psalm\Plugin\Hook\MethodReturnTypeProviderInterface,
diff --git a/src/ApplicationHelper.php b/src/ApplicationHelper.php
index 7b01133..9065669 100644
--- a/src/ApplicationHelper.php
+++ b/src/ApplicationHelper.php
@@ -6,6 +6,7 @@ use Illuminate\Foundation\Application as LaravelApplication;
 use Orchestra\Testbench\Concerns\CreatesApplication;
 use function file_exists;
 use function getcwd;
+use function get_class;
 
 final class ApplicationHelper
 {