diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index 4fb40056282e..a4589992aa29 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -424,12 +424,13 @@ public function flip()
     /**
      * Remove an item from the collection by key.
      *
-     * @param  TKey|array<array-key, TKey>  $keys
+     * \Illuminate\Contracts\Support\Arrayable<array-key, TValue>|iterable<array-key, TKey>|TKey  $keys
+     *
      * @return $this
      */
     public function forget($keys)
     {
-        foreach ((array) $keys as $key) {
+        foreach ($this->getArrayableItems($keys) as $key) {
             $this->offsetUnset($key);
         }
 
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index 04d917d989e3..eab6bcee779a 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -798,6 +798,21 @@ public function testForgetArrayOfKeys()
         $this->assertTrue(isset($c['name']));
     }
 
+    public function testForgetCollectionOfKeys()
+    {
+        $c = new Collection(['foo', 'bar', 'baz']);
+        $c = $c->forget(collect([0, 2]))->all();
+        $this->assertFalse(isset($c[0]));
+        $this->assertFalse(isset($c[2]));
+        $this->assertTrue(isset($c[1]));
+
+        $c = new Collection(['name' => 'taylor', 'foo' => 'bar', 'baz' => 'qux']);
+        $c = $c->forget(collect(['foo', 'baz']))->all();
+        $this->assertFalse(isset($c['foo']));
+        $this->assertFalse(isset($c['baz']));
+        $this->assertTrue(isset($c['name']));
+    }
+
     /**
      * @dataProvider collectionClassProvider
      */