diff --git a/src/aphront/AphrontRequest.php b/src/aphront/AphrontRequest.php
index a9800a66f2..6e167c64e5 100644
--- a/src/aphront/AphrontRequest.php
+++ b/src/aphront/AphrontRequest.php
@@ -333,7 +333,6 @@ final class AphrontRequest {
   }
 
   final public function clearCookie($name) {
-    $name = $this->getPrefixedCookieName($name);
     $this->setCookieWithExpiration($name, '', time() - (60 * 60 * 24 * 30));
     unset($_COOKIE[$name]);
   }