diff --git a/yesod-core/Yesod/Core.hs b/yesod-core/Yesod/Core.hs
index 2e395856..4a78bec7 100644
--- a/yesod-core/Yesod/Core.hs
+++ b/yesod-core/Yesod/Core.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE TemplateHaskell #-}
+{-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}
 module Yesod.Core
     ( -- * Type classes
       Yesod (..)