diff --git a/Data/CaseInsensitive.hs b/Data/CaseInsensitive.hs
--- a/Data/CaseInsensitive.hs
+++ b/Data/CaseInsensitive.hs
@@ -37,19 +37,15 @@
 import Data.Eq       ( Eq((==)) )
 import Data.Ord      ( Ord(compare) )
 import Data.Function ( on )
-import Data.Functor  ( fmap )
 import Data.Monoid   ( Monoid(mempty, mappend) )
 import Data.String   ( IsString(fromString) )
 import Data.Typeable ( Typeable )
 import Data.Char     ( Char )
-import Prelude       ( String )
+import Prelude       ( String, (.), fmap )
 import Text.Read     ( Read(readPrec) )
 import Text.Show     ( Show(showsPrec), ShowS )
 import qualified Data.List as L ( map )
 
--- from base-unicode-symbols:
-import Data.Function.Unicode ( (∘) )
-
 -- from bytestring:
 import qualified Data.ByteString             as B    ( ByteString )
 import qualified Data.ByteString.Lazy        as BL   ( ByteString )
@@ -90,10 +86,10 @@
 
 -- | Transform the original string-like value but keep it case insensitive.
 map ∷ FoldCase s2 ⇒ (s1 → s2) → (CI s1 → CI s2)
-map f = mk ∘ f ∘ original
+map f = mk . f . original
 
 instance (IsString s, FoldCase s) ⇒ IsString (CI s) where
-    fromString = mk ∘ fromString
+    fromString = mk . fromString
 
 instance Monoid s ⇒ Monoid (CI s) where
     mempty = CI mempty mempty
@@ -109,7 +105,7 @@
     readPrec = fmap mk readPrec
 
 instance Show s ⇒ Show (CI s) where
-    showsPrec prec = showsPrec prec ∘ original
+    showsPrec prec = showsPrec prec . original
 
 
 --------------------------------------------------------------------------------
@@ -134,7 +130,7 @@
 instance FoldCase BL.ByteString where foldCase = BLC8.map toLower
 instance FoldCase T.Text        where foldCase = T.toCaseFold
 instance FoldCase TL.Text       where foldCase = TL.toCaseFold
-instance FoldCase ShowS         where foldCase = (foldCase ∘)
+instance FoldCase ShowS         where foldCase = (foldCase .)
 instance FoldCase (CI s)        where foldCase (CI _ l) = CI l l
 
 
diff --git a/case-insensitive.cabal b/case-insensitive.cabal
--- a/case-insensitive.cabal
+++ b/case-insensitive.cabal
@@ -1,5 +1,5 @@
 name:          case-insensitive
-version:       0.2
+version:       0.2.0.1
 cabal-version: >=1.6
 build-type:    Simple
 license:       BSD3
@@ -21,8 +21,7 @@
 
 Library
   GHC-Options: -Wall
-  build-depends: base                 >= 4     && < 4.4
-               , base-unicode-symbols >= 0.1.1 && < 0.3
-               , bytestring           >= 0.9   && < 0.10
-               , text                 >= 0.3   && < 0.12
+  build-depends: base       >= 4   && < 4.4
+               , bytestring >= 0.9 && < 0.10
+               , text       >= 0.3 && < 0.12
   exposed-modules: Data.CaseInsensitive