diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+The MIT License (MIT)
+
+Copyright (c) 2013 Cindy Wang
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/NoTrace.cabal b/NoTrace.cabal
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--- /dev/null
+++ b/NoTrace.cabal
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+-- Initial NoTrace.cabal generated by cabal init.  For further 
+-- documentation, see http://haskell.org/cabal/users-guide/
+
+name:                NoTrace
+version:             0.1.0.0
+synopsis:            Remove all the functions come from Debug.Trace after debugging
+description:         This module introduce functions with identical types with functions in the Debug.Trace.
+                     When completing the debug process,
+                     use this module to overwrite and silently remove all the tracing functions.
+homepage:            https://github.com/CindyLinz/Haskell-NoTrace
+license:             MIT
+license-file:        LICENSE
+author:              Cindy Wang (CindyLinz)
+maintainer:          cindylinz@gmail.com
+-- copyright:           
+category:            Development
+build-type:          Simple
+cabal-version:       >=1.8
+
+source-repository head
+  type: git
+  location: git@github.com:CindyLinz/Haskell-NoTrace.git
+
+library
+  exposed-modules:     Debug.NoTrace
+  -- other-modules:       
+  hs-source-dirs:      src
+  build-depends:       base >=4.3 && <4.7
+
+Test-Suite main
+  type:                exitcode-stdio-1.0
+  main-is:             Main.hs
+  hs-source-dirs:      test
+                     , src
+  build-depends:       base >=4.3 && <4.7
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain
diff --git a/src/Debug/NoTrace.hs b/src/Debug/NoTrace.hs
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+++ b/src/Debug/NoTrace.hs
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+-----------------------------------------------------------------------------
+-- |
+-- Module      :  Debug.NoTrace
+-- Copyright   :  (c) Cindy Wang (CindyLinz) 2013
+-- License     :  MIT
+-- 
+-- Maintainer  :  Cindy Wang (CindyLinz)
+-- Stability   :  provisional
+-- Portability :  portable
+--
+-- This module introduce functions that have identical types with functions in the 'Debug.Trace' module.
+--
+-- You might write some programs like this:
+--
+-- > import Debug.Trace
+-- >
+-- > fib 0 = 1
+-- > fib 1 = 1
+-- > fib n = ("fib " ++ show n) `trace` fib (n - 1) + fib (n - 2)
+--
+-- And after you finish the debugging process, just change the line
+--
+-- > import Debug.Trace
+--
+-- into
+--
+-- > import Debug.NoTrace
+--
+-- Then all the tracing functions are silently removed.
+-------------------------------------------------------------------------------
+module Debug.NoTrace where
+
+putTraceMsg :: String -> IO ()
+putTraceMsg _ = return ()
+
+trace :: String -> a -> a
+trace _ = id
+
+traceShow :: Show a => a -> b -> b
+traceShow _ = id
diff --git a/test/Main.hs b/test/Main.hs
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--- /dev/null
+++ b/test/Main.hs
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+module Main where
+
+import Debug.NoTrace
+
+fib :: Int -> Int
+fib 0 = 1
+fib 1 = 1
+fib n = "fib " `trace` n `traceShow` fib (n - 1) + fib (n - 2)
+
+main = do
+  putTraceMsg "begin"
+  putStrLn $ show (fib 5)
+  putTraceMsg "end"