diff --git a/example/Main.hs b/example/Main.hs
index 6250682..5462acb 100644
--- a/example/Main.hs
+++ b/example/Main.hs
@@ -78,7 +78,6 @@ instance YesodAuth App where
 
         return $ Authenticated "1"
 
-    authHttpManager = appHttpManager
     authPlugins = appAuthPlugins
 
 instance RenderMessage App FormMessage where
diff --git a/package.yaml b/package.yaml
index d0d4650..a633a8b 100644
--- a/package.yaml
+++ b/package.yaml
@@ -29,7 +29,6 @@ library:
     - random
     - safe-exceptions
     - text >=0.7 && <2.0
-    - transformers >=0.2.2 && <0.6
     - uri-bytestring
     - yesod-auth >=1.6.0 && <1.7
     - yesod-core >=1.6.0 && <1.7