diff --git a/src/Tunnel.hs b/src/Tunnel.hs
index bcb7d11..fda1b08 100644
--- a/src/Tunnel.hs
+++ b/src/Tunnel.hs
@@ -43,8 +43,6 @@ rrunTCPClient :: N.ClientSettings -> (Connection -> IO a) -> IO a
 rrunTCPClient cfg app = bracket
     (do
       (s,addr) <- N.getSocketFamilyTCP (N.getHost cfg) (N.getPort cfg) (N.getAddrFamily cfg)
-      N.setSocketOption s N.RecvBuffer defaultRecvBufferSize
-      N.setSocketOption s N.SendBuffer defaultSendBufferSize
       so_mark_val <- readIORef sO_MARK_Value
       when (so_mark_val /= 0 && N.isSupportedSocketOption sO_MARK) (N.setSocketOption s sO_MARK so_mark_val)
       return (s,addr)
diff --git a/src/Types.hs b/src/Types.hs
index 63da02a..3537fdb 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -34,9 +34,6 @@ defaultRecvBufferSize ::  Int
 defaultRecvBufferSize = unsafeDupablePerformIO $
   bracket (N.socket N.AF_INET N.Stream 0) N.close (\sock -> N.getSocketOption  sock N.RecvBuffer)
 
-defaultSendBufferSize :: Int
-defaultSendBufferSize = defaultRecvBufferSize
-
 sO_MARK :: N.SocketOption
 sO_MARK = N.CustomSockOpt (1, 36) -- https://elixir.bootlin.com/linux/latest/source/arch/alpha/include/uapi/asm/socket.h#L64