diff --git a/src/Illuminate/Http/Request.php b/src/Illuminate/Http/Request.php
index bf2d7165f7b2..766c7f17dfde 100644
--- a/src/Illuminate/Http/Request.php
+++ b/src/Illuminate/Http/Request.php
@@ -340,7 +340,7 @@ protected function getInputSource()
             return $this->json();
         }
 
-        return $this->getRealMethod() == 'GET' ? $this->query : $this->request;
+        return in_array($this->getRealMethod(), ['GET', 'HEAD']) ? $this->query : $this->request;
     }
 
     /**
diff --git a/tests/Http/HttpRequestTest.php b/tests/Http/HttpRequestTest.php
index c5df7c7f5a93..1df81173e202 100644
--- a/tests/Http/HttpRequestTest.php
+++ b/tests/Http/HttpRequestTest.php
@@ -482,6 +482,13 @@ public function testReplaceMethod()
         $this->assertEquals('Dayle', $request->input('buddy'));
     }
 
+    public function testOffsetUnsetMethod()
+    {
+        $request = Request::create('/', 'HEAD', ['name' => 'Taylor']);
+        $request->offsetUnset('name');
+        $this->assertNull($request->input('name'));
+    }
+
     public function testHeaderMethod()
     {
         $request = Request::create('/', 'GET', [], [], [], ['HTTP_DO_THIS' => 'foo']);