diff --git a/dummy/Network/Helics.hs b/dummy/Network/Helics.hs
--- a/dummy/Network/Helics.hs
+++ b/dummy/Network/Helics.hs
@@ -17,6 +17,7 @@
     , addAttribute
     , setRequestUrl
     , setMaxTraceSegments
+    , TransactionError(..)
     , setError
     , noticeError
     , clearError
@@ -39,23 +40,10 @@
     , def
     ) where
 
-import System.IO.Error
-
-import Control.Exception
-import Control.Monad
-import Control.Concurrent
-
-import Foreign.C
-import Foreign.Ptr
-import Foreign.Marshal
-import Foreign.Storable
-
 import Data.IORef
-import Data.Word
 import Data.Default.Class
 import qualified Data.ByteString as S
 
-import qualified Network.Helics.Sampler as Sampler
 import Network.Helics.Internal.Types
 
 autoScope, rootSegment :: SegmentId
diff --git a/helics.cabal b/helics.cabal
--- a/helics.cabal
+++ b/helics.cabal
@@ -1,5 +1,5 @@
 name:                helics
-version:             0.4.0
+version:             0.4.1
 synopsis:            New Relic® agent SDK wrapper for Haskell.
 description:         
   New Relic® agent SDK wrapper for Haskell.