diff --git a/README b/README
--- a/README
+++ b/README
@@ -3,7 +3,7 @@
 
 · Current status
 
-Version 0.2 - This software currently has *alpha* status, i.e. it had
+Version 0.2.x - This software currently has *alpha* status, i.e. it had
 only seen very limited testing and changes to its API might happen.
 
 This software was developed and tested on Linux 2.6.31 with GHC-6.12.1
@@ -31,7 +31,6 @@
 - connect
 - send
 - send'
-- flush
 - receive
 - poll
 
diff --git a/src/System/ZMQ.hs b/src/System/ZMQ.hs
--- a/src/System/ZMQ.hs
+++ b/src/System/ZMQ.hs
@@ -44,7 +44,6 @@
     connect,
     send,
     send',
-    flush,
     receive,
 
     poll
@@ -253,17 +252,7 @@
 -- [@NoBlock@] Send operation should be performed in non-blocking mode.
 -- If it cannot be performed immediatley an error will be thrown (errno
 -- is set to EAGAIN).
---
--- [@NoFlush@] 'send' should not flush the message downstream immediately,
--- instead it should batch messages send with 'NoFlush' and really send them
--- only when 'flush' is invoked. zmq_send(3) states: \"This is an optimisation
--- for cases where several messages are sent in a single business transaction.
--- However, the effect is measurable only in extremely high-perf scenarios
--- (million messages a second or so). If that's not your case, use standard
--- flushing send instead.\"
-data Flag =
-    NoBlock -- ^ ZMQ_NOBLOCK
-  | NoFlush -- ^ ZMQ_NOFLUSH
+data Flag = NoBlock -- ^ ZMQ_NOBLOCK
   deriving (Eq, Ord, Show)
 
 -- | The events to wait for in poll (cf. man zmq_poll)
@@ -351,10 +340,6 @@
 send' (Socket s) val fls = bracket (messageOfLazy val) messageClose $ \m ->
     throwErrnoIfMinus1_ "send'" $ c_zmq_send s (msgPtr m) (combine fls)
 
--- | Flush the given socket (useful for 'send's with 'NoFlush').
-flush :: Socket a -> IO ()
-flush = throwErrnoIfMinus1_ "flush" . c_zmq_flush . sock
-
 -- | Receive a 'ByteString' from socket (zmq_recv).
 receive :: Socket a -> [Flag] -> IO (SB.ByteString)
 receive (Socket s) fls = bracket messageInit messageClose $ \m -> do
@@ -460,7 +445,6 @@
 
 toZMQFlag :: Flag -> ZMQFlag
 toZMQFlag NoBlock = noBlock
-toZMQFlag NoFlush = noFlush
 
 combine :: [Flag] -> CInt
 combine = fromIntegral . foldr ((.|.) . flagVal . toZMQFlag) 0
diff --git a/src/System/ZMQ/Base.hsc b/src/System/ZMQ/Base.hsc
--- a/src/System/ZMQ/Base.hsc
+++ b/src/System/ZMQ/Base.hsc
@@ -91,8 +91,7 @@
 newtype ZMQFlag = ZMQFlag { flagVal :: CInt } deriving (Eq, Ord)
 
 #{enum ZMQFlag, ZMQFlag,
-    noBlock = ZMQ_NOBLOCK,
-    noFlush = ZMQ_NOFLUSH
+    noBlock = ZMQ_NOBLOCK
 }
 
 newtype ZMQPollEvent = ZMQPollEvent { pollVal :: CShort } deriving (Eq, Ord)
@@ -151,9 +150,6 @@
 
 foreign import ccall unsafe "zmq.h zmq_send"
     c_zmq_send :: ZMQSocket -> ZMQMsgPtr -> CInt -> IO CInt
-
-foreign import ccall unsafe "zmq.h zmq_flush"
-    c_zmq_flush :: ZMQSocket -> IO CInt
 
 foreign import ccall safe "zmq.h zmq_recv"
     c_zmq_recv :: ZMQSocket -> ZMQMsgPtr -> CInt -> IO CInt
diff --git a/zeromq-haskell.cabal b/zeromq-haskell.cabal
--- a/zeromq-haskell.cabal
+++ b/zeromq-haskell.cabal
@@ -1,5 +1,5 @@
 name:               zeromq-haskell
-version:            0.2.1
+version:            0.2.2
 synopsis:           bindings to zeromq 
 description:        Bindings to zeromq (http://zeromq.org)
 category:           System, FFI