diff --git a/src/Types/EntityObjectType.php b/src/Types/EntityObjectType.php
index 8bb7c57..f2e70ad 100644
--- a/src/Types/EntityObjectType.php
+++ b/src/Types/EntityObjectType.php
@@ -109,11 +109,6 @@ private function validateReferenceResolver()
     private function validateReferenceKeys($ref)
     {
         Utils::invariant(isset($ref['__typename']), 'Type name must be provided in the reference.');
-
-        $refKeys = array_keys($ref);
-        $refContainsKeys = !empty(array_intersect($this->getKeyFields(), $refKeys));
-
-        Utils::invariant($refContainsKeys, 'Key fields are missing from the entity reference.');
     }
 
     public static function validateResolveReference(array $config)
diff --git a/test/EntitiesTest.php b/test/EntitiesTest.php
index 155f4d3..de61813 100644
--- a/test/EntitiesTest.php
+++ b/test/EntitiesTest.php
@@ -86,56 +86,6 @@ public function testResolvingEntityReference()
         $this->assertEquals($expectedRef, $actualRef);
     }
 
-    public function testResolvingEntityReferenceWithoutAllKeys()
-    {
-        $expectedRef = [
-            'id' => 1,
-            'email' => 'luke@skywalker.com',
-            'firstName' => 'Luke',
-            'lastName' => 'Skywalker',
-            '__typename' => 'User'
-        ];
-
-        $userType = new EntityObjectType([
-            'name' => 'User',
-            'keyFields' => ['id', 'email'],
-            'fields' => [
-                'id' => ['type' => Type::int()],
-                'email' => ['type' => Type::string()],
-                'firstName' => ['type' => Type::string()],
-                'lastName' => ['type' => Type::string()]
-            ],
-            '__resolveReference' => function () use ($expectedRef) {
-                return $expectedRef;
-            }
-        ]);
-
-        $actualRef = $userType->resolveReference(['email' => 'luke@skywalker.com', '__typename' => 'User']);
-
-        $this->assertEquals($expectedRef, $actualRef);
-    }
-
-    public function testResolvingEntityReferenceWithoutAnyKeys()
-    {
-        $userType = new EntityObjectType([
-            'name' => 'User',
-            'keyFields' => ['id', 'email'],
-            'fields' => [
-                'id' => ['type' => Type::int()],
-                'email' => ['type' => Type::string()],
-                'firstName' => ['type' => Type::string()],
-                'lastName' => ['type' => Type::string()]
-            ],
-            '__resolveReference' => function () {
-                return null;
-            }
-        ]);
-
-        $this->expectException(InvariantViolation::class);
-
-        $userType->resolveReference(['__typename' => 'User']);
-    }
-
     public function testCreatingEntityRefType()
     {
         $userTypeKeyFields = ['id', 'email'];