diff --git a/Network/Memcache.hs b/Network/Memcache.hs
index b973dce..f87cf90 100644
--- a/Network/Memcache.hs
+++ b/Network/Memcache.hs
@@ -9,7 +9,7 @@ import Network.Memcache.Key
 class Memcache a where
   set, add, replace :: (Key k, Serializable s) => a -> k -> s -> IO Bool
   get               :: (Key k, Serializable s) => a -> k -> IO (Maybe s)
-  delete            :: (Key k) => a -> k -> Int -> IO Bool
+  delete            :: (Key k) => a -> k -> IO Bool
   incr, decr        :: (Key k) => a -> k -> Int -> IO (Maybe Int)
 
 -- vim: set ts=2 sw=2 et :
diff --git a/Network/Memcache/Protocol.hs b/Network/Memcache/Protocol.hs
index 9ca3fd5..2fbf5c7 100644
--- a/Network/Memcache/Protocol.hs
+++ b/Network/Memcache/Protocol.hs
@@ -111,8 +111,8 @@ instance Memcache Server where
         hGetNetLn handle
         return $ deserialize val
 
-  delete (Server handle) key delta = do
-    hPutCommand handle ["delete", toKey key, show delta]
+  delete (Server handle) key = do
+    hPutCommand handle ["delete", toKey key]
     response <- hGetNetLn handle
     return (response == "DELETED")
 
diff --git a/Test.hs b/Test.hs
index 0695396..e38cc6a 100644
--- a/Test.hs
+++ b/Test.hs
@@ -31,6 +31,18 @@ setGetTest = TestCase $ withServerConnection $ \server -> do
     Nothing -> assertFailure "'foo' not found just after setting it"
     Just v  -> assertEqual "foo value" (3 :: Int) v
 
+deleteTest :: Test
+deleteTest = TestCase $ withServerConnection $ \server -> do
+  let foo = 3 :: Int
+  success <- Network.Memcache.set server "foo2" foo
+  success' <- Network.Memcache.delete server "foo2"
+  foo' <- Network.Memcache.get server "foo2"
+  if (not success')
+    then assertFailure "delete did not succeed"
+    else case foo' of
+    Nothing -> do return ()
+    Just v  -> assertEqual "foo value" (3 :: Int) v
+
 hashTest :: Test
 hashTest = TestCase $ do
   assertBool "hash produces different values" (hash key1 /= hash key2)
@@ -46,6 +58,6 @@ main = bracket upDaemon downDaemon runTests >> return () where
                   sleep 200  -- give it time to start up and bind.
                   return m
   downDaemon = terminateProcess
-  runTests _ = runTestTT $ TestList [statsTest, setGetTest, hashTest]
+  runTests _ = runTestTT $ TestList [statsTest, setGetTest, hashTest, deleteTest]
 
 -- vim: set ts=2 sw=2 et :