diff --git a/examples/FileIOExamples.hs b/examples/FileIOExamples.hs
index f23189222..3bb782670 100644
--- a/examples/FileIOExamples.hs
+++ b/examples/FileIOExamples.hs
@@ -1,7 +1,7 @@
 import qualified Streamly.Prelude as S
 import qualified Streamly.Fold as FL
 import qualified Streamly.Mem.Array as A
-import qualified Streamly.FileSystem.File as File
+import qualified Streamly.FileSystem.Handle as Handle
 
 import Data.Char (ord)
 import System.Environment (getArgs)
diff --git a/examples/FileSinkServer.hs b/examples/FileSinkServer.hs
index 3ad3e1f9b..927673fd3 100644
--- a/examples/FileSinkServer.hs
+++ b/examples/FileSinkServer.hs
@@ -9,21 +9,24 @@ import System.Environment (getArgs)
 
 import Streamly
 import Streamly.String
-import qualified Streamly.FileSystem.File as File
+import qualified Streamly.FileSystem.Handle as FH
 import qualified Streamly.Fold as FL
 import qualified Streamly.Mem.Array as A
 import qualified Streamly.Network.Socket as NS
 import qualified Streamly.Network.Server as NS
 import qualified Streamly.Prelude as S
 
+import System.IO (withFile, IOMode(..))
+
 main :: IO ()
 main = do
     file <- fmap head getArgs
-    File.append file
+    withFile file AppendMode
+        (\src -> FH.write src
         $ encodeChar8Unchecked
         $ S.concatMap A.read
         $ S.concatMapBy parallel (flip NS.withSocketS recv)
-        $ NS.connectionsOnAllAddrs 8090
+        $ NS.connectionsOnAllAddrs 8090)
 
     where
 
diff --git a/examples/FromFileClient.hs b/examples/FromFileClient.hs
index e9d3abd6c..f36ec2a49 100644
--- a/examples/FromFileClient.hs
+++ b/examples/FromFileClient.hs
@@ -7,10 +7,14 @@ import System.Environment (getArgs)
 
 import Streamly
 import qualified Streamly.Prelude as S
-import qualified Streamly.FileSystem.File as File
+import qualified Streamly.FileSystem.Handle as FH
 import qualified Streamly.Network.Client as Client
 
+import System.IO (withFile, IOMode(..))
+
 main :: IO ()
 main =
-    let sendFile = Client.writeArrays (127,0,0,1) 8090 . File.readArrays
-    in getArgs >>= S.drain . parallely . S.mapM sendFile . S.fromList
+    let sendFile file =
+            withFile file ReadMode $ \src ->
+                Client.writeArrays (127, 0, 0, 1) 8090 $ FH.readArrays src
+     in getArgs >>= S.drain . parallely . S.mapM sendFile . S.fromList
diff --git a/src/Streamly/Fold.hs b/src/Streamly/Fold.hs
index 88b5a5f7e..8dc661fbd 100644
--- a/src/Streamly/Fold.hs
+++ b/src/Streamly/Fold.hs
@@ -136,7 +136,7 @@ module Streamly.Fold
     , mapM
 
     -- ** Mapping
-    , transform
+    --, transform
     , lmap
     --, lsequence
     , lmapM
@@ -492,9 +492,9 @@ mapM f = sequence . fmap f
 -- | Apply a transformation on a 'Fold' using a 'Pipe'.
 --
 -- @since 0.7.0
-{-# INLINE transform #-}
-transform :: Monad m => Pipe m a b -> Fold m b c -> Fold m a c
-transform (Pipe pstep1 pstep2 pinitial) (Fold fstep finitial fextract) =
+{-# INLINE _transform #-}
+_transform :: Monad m => Pipe m a b -> Fold m b c -> Fold m a c
+_transform (Pipe pstep1 pstep2 pinitial) (Fold fstep finitial fextract) =
     Fold step initial extract
 
     where
diff --git a/src/Streamly/Prelude.hs b/src/Streamly/Prelude.hs
index 179dd1d15..cdb6b74d7 100644
--- a/src/Streamly/Prelude.hs
+++ b/src/Streamly/Prelude.hs
@@ -240,7 +240,7 @@ module Streamly.Prelude
 
     -- * Transformation
 
-    , transform
+    --, transform
 
     -- ** Mapping
     -- | In imperative terms a map operation can be considered as a loop over
@@ -1581,9 +1581,9 @@ toHandle h m = go m
 ------------------------------------------------------------------------------
 
 -- | Use a 'Pipe' to transform a stream.
-{-# INLINE transform #-}
-transform :: (IsStream t, Monad m) => Pipe m a b -> t m a -> t m b
-transform pipe xs = fromStreamD $ D.transform pipe (toStreamD xs)
+{-# INLINE _transform #-}
+_transform :: (IsStream t, Monad m) => Pipe m a b -> t m a -> t m b
+_transform pipe xs = fromStreamD $ D.transform pipe (toStreamD xs)
 
 ------------------------------------------------------------------------------
 -- Transformation by Folding (Scans)
diff --git a/streamly.cabal b/streamly.cabal
index 6f88c3067..eb93eddee 100644
--- a/streamly.cabal
+++ b/streamly.cabal
@@ -204,28 +204,28 @@ library
                      , Streamly.Sink.Types
                      , Streamly.Sink
                      , Streamly.Pipe.Types
+                     , Streamly.Pipe
 
                      , Streamly.FileSystem.IOVec
                      , Streamly.FileSystem.FDIO
-
-    exposed-modules:   Streamly.Prelude
-                     , Streamly.Time
-                     , Streamly
-                     , Streamly.Fold
-                     , Streamly.Pipe
-
-                     , Streamly.String
-
-                    -- IO devices
-                     , Streamly.Mem.Array
                      , Streamly.FileSystem.FD
-                     , Streamly.FileSystem.Handle
                      , Streamly.FileSystem.File
 
                     -- Time
                      , Streamly.Time.Units
                      , Streamly.Time.Clock
 
+    exposed-modules:   Streamly.Prelude
+                     , Streamly.Time
+                     , Streamly
+                     , Streamly.Fold
+
+                     , Streamly.String
+
+                    -- IO devices
+                     , Streamly.Mem.Array
+                     , Streamly.FileSystem.Handle
+
                      , Streamly.Tutorial
                      , Streamly.Internal
     if !impl(ghcjs)
@@ -1041,7 +1041,7 @@ executable FileIOExamples
   hs-source-dirs:  examples
   ghc-options: -Wall
   if flag(examples) || flag(examples-sdl)
-    buildable: True
+    buildable: False
     build-Depends:
         streamly
       , base              >= 4.8   && < 5