diff --git a/slack-api.cabal b/slack-api.cabal
--- a/slack-api.cabal
+++ b/slack-api.cabal
@@ -1,5 +1,5 @@
 Name:                slack-api
-Version:             0.4
+Version:             0.5
 Synopsis:            Bindings to the Slack RTM API.
 Description:         This library provides bindings to the <https://api.slack.com/rtm Slack Real Time Messaging API>.
                      Users should find it easy to program their own Slack bots using the functionality found in `Web.Slack`.
@@ -79,7 +79,7 @@
     mtl >= 2.1,
     aeson >= 0.8 ,
     time-locale-compat >= 0.1 && < 0.2,
-    errors >= 1.4,
+    errors >= 1.4 && < 2.0,
     monad-loops >= 0.4,
     transformers >= 0.3,
     time >= 1.4
@@ -87,7 +87,7 @@
 Test-Suite tests
     Type: exitcode-stdio-1.0
     Main-Is: tests-main.hs
-    ghc-options:   -Wall
+    ghc-options: -threaded  -Wall
     HS-Source-Dirs: tests .
     Build-Depends: slack-api, base
     Other-Modules: Tests.ConnectionTest
diff --git a/src/Web/Slack/Types/Preferences.hs b/src/Web/Slack/Types/Preferences.hs
--- a/src/Web/Slack/Types/Preferences.hs
+++ b/src/Web/Slack/Types/Preferences.hs
@@ -47,14 +47,8 @@
                  , _prefNoJoinedOverlays                :: Bool
                  , _prefNoCreatedOverlays               :: Bool
                  , _prefDropboxEnabled                  :: Bool
-                 , _prefSeenUserMenuTipCard             :: Bool
-                 , _prefSeenTeamMenuTipCard             :: Bool
-                 , _prefSeenChannelMenuTipCard          :: Bool
-                 , _prefSeenMessageInputTipCard         :: Bool
-                 , _prefSeenChannelsTipCard             :: Bool
                  , _prefSeenDomainInviteReminder        :: Bool
                  , _prefSeenMemberInviteReminder        :: Bool
-                 , _prefSeenFlexpaneTipCard             :: Bool
                  , _prefMuteSounds                      :: Bool
                  , _prefArrowHistory                    :: Bool
                  , _prefTabUiReturnSelects              :: Bool