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diff --git "a/c\316\273ash/CLasH/Normalize/NormalizeTypes.hs" "b/c\316\273ash/CLasH/Normalize/NormalizeTypes.hs"
index a13ca0f..966e18e 100644
--- "a/c\316\273ash/CLasH/Normalize/NormalizeTypes.hs"
+++ "b/c\316\273ash/CLasH/Normalize/NormalizeTypes.hs"
@@ -1,29 +1,34 @@
-{-# LANGUAGE TemplateHaskell #-}
 module CLasH.Normalize.NormalizeTypes where
 
-
 -- Standard modules
 import qualified Control.Monad.Trans.Writer as Writer
-import qualified Control.Monad.Trans.State as State
 import qualified Data.Monoid as Monoid
-import qualified Data.Accessor.Template
-import Data.Accessor
-import qualified Data.Map as Map
-import Debug.Trace
 
 -- GHC API
-import CoreSyn
-import qualified VarSet
-import Outputable ( Outputable, showSDoc, ppr )
+import qualified CoreSyn
 
 -- Local imports
-import CLasH.Utils.Core.CoreShow
-import CLasH.Utils.Pretty
 import CLasH.Translator.TranslatorTypes
 
 -- Wrap a writer around a TranslatorSession, to run a single transformation
 -- over a single expression and track if the expression was changed.
 type TransformMonad = Writer.WriterT Monoid.Any TranslatorSession
 
+-- | In what context does a core expression occur?
+data CoreContext = AppFirst        -- ^ The expression is the first
+                                   -- argument of an application (i.e.,
+                                   -- it is applied)
+                 | AppSecond       -- ^ The expression is the second
+                                   --   argument of an application
+                                   --   (i.e., something is applied to it)
+                 | LetBinding      -- ^ The expression is bound in a
+                                   --   (recursive or non-recursive) let
+                                   --   expression.
+                 | LetBody         -- ^ The expression is the body of a
+                                   --   let expression
+                 | LambdaBody      -- ^ The expression is the body of a
+                                   --   lambda abstraction
+                 | Other           -- ^ Another context
+  deriving Eq
 -- | Transforms a CoreExpr and keeps track if it has changed.
-type Transform = CoreExpr -> TransformMonad CoreExpr
+type Transform = [CoreContext] -> CoreSyn.CoreExpr -> TransformMonad CoreSyn.CoreExpr