diff --git a/src/Doctrine/Orm/Tests/Filter/BackedEnumFilterTestTrait.php b/src/Doctrine/Orm/Tests/Filter/BackedEnumFilterTestTrait.php
index bb864d16331..3e9bf716244 100644
--- a/src/Doctrine/Orm/Tests/Filter/BackedEnumFilterTestTrait.php
+++ b/src/Doctrine/Orm/Tests/Filter/BackedEnumFilterTestTrait.php
@@ -32,25 +32,11 @@ public function testGetDescription(): void
                 'property' => 'dummyBackedEnum',
                 'type' => 'string',
                 'required' => false,
-                'is_collection' => false,
                 'schema' => [
                     'type' => 'string',
                     'enum' => ['one', 'two'],
                 ],
             ],
-            'dummyBackedEnum[]' => [
-                'property' => 'dummyBackedEnum',
-                'type' => 'string',
-                'required' => false,
-                'is_collection' => true,
-                'schema' => [
-                    'type' => 'array',
-                    'items' => [
-                        'type' => 'string',
-                        'enum' => ['one', 'two'],
-                    ],
-                ],
-            ],
         ], $filter->getDescription($this->resourceClass));
     }
 
@@ -63,25 +49,11 @@ public function testGetDescriptionDefaultFields(): void
                 'property' => 'dummyBackedEnum',
                 'type' => 'string',
                 'required' => false,
-                'is_collection' => false,
                 'schema' => [
                     'type' => 'string',
                     'enum' => ['one', 'two'],
                 ],
             ],
-            'dummyBackedEnum[]' => [
-                'property' => 'dummyBackedEnum',
-                'type' => 'string',
-                'required' => false,
-                'is_collection' => true,
-                'schema' => [
-                    'type' => 'array',
-                    'items' => [
-                        'type' => 'string',
-                        'enum' => ['one', 'two'],
-                    ],
-                ],
-            ],
         ], $filter->getDescription($this->resourceClass));
     }