diff --git a/Benchmarks/Benchmarks.hs b/Benchmarks/Benchmarks.hs
--- a/Benchmarks/Benchmarks.hs
+++ b/Benchmarks/Benchmarks.hs
@@ -18,11 +18,11 @@
         , bench "256"  $ whnf initCtx b256
         ]
     , bgroup "encrypt"
-        [ bench "8"    $ nf (encrypt ctx) b8
-        , bench "32"   $ nf (encrypt ctx) b32
-        , bench "64"   $ nf (encrypt ctx) b64
-        , bench "256"  $ nf (encrypt ctx) b256
-        , bench "1024" $ nf (encrypt ctx) b1024
+        [ bench "8"    $ nf (combine ctx) b8
+        , bench "32"   $ nf (combine ctx) b32
+        , bench "64"   $ nf (combine ctx) b64
+        , bench "256"  $ nf (combine ctx) b256
+        , bench "1024" $ nf (combine ctx) b1024
         ]
     ]
     where b1    = B.replicate 1 0xf7
diff --git a/Tests/Tests.hs b/Tests/Tests.hs
--- a/Tests/Tests.hs
+++ b/Tests/Tests.hs
@@ -34,8 +34,8 @@
     ]
 
 runKat (key,plainText,cipherText) =
-       snd (RC4.encrypt ctx plainText)  == cipherText
-    && snd (RC4.decrypt ctx cipherText) == plainText
+       snd (RC4.combine ctx plainText)  == cipherText
+    && snd (RC4.combine ctx cipherText) == plainText
     where ctx = RC4.initCtx $ key
 
 katToTestProperty (kat, i) = testProperty ("KAT " ++ show i) (runKat kat)
@@ -56,8 +56,7 @@
 tests =
     [ testGroup "KAT-RC4" $ map katToTestProperty $ zip kats [0..]
     , testGroup "id"
-        [ testProperty "encrypt.decrypt" (runOp RC4.decrypt RC4.encrypt)
-        , testProperty "decrypt.encrypt" (runOp RC4.encrypt RC4.decrypt)
+        [ testProperty "combine.combine" (runOp RC4.combine RC4.combine)
         ]
     ]
 
diff --git a/cipher-rc4.cabal b/cipher-rc4.cabal
--- a/cipher-rc4.cabal
+++ b/cipher-rc4.cabal
@@ -1,5 +1,5 @@
 Name:                cipher-rc4
-Version:             0.1.0
+Version:             0.1.1
 Description:         Fast RC4 cipher implementation
 License:             BSD3
 License-file:        LICENSE
@@ -17,7 +17,6 @@
 Library
   Build-Depends:     base >= 4 && < 5
                    , bytestring
-                   , vector
   Exposed-modules:   Crypto.Cipher.RC4
   ghc-options:       -Wall
   C-sources:         cbits/rc4.c