diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,7 +1,7 @@
-## 0.1.1.0
+## 0.2.0.0
 
-`gitRepoDev` added.
+* Drop system-filepath
 
 ## 0.1.0.0
 
-Initial release
+* Initial release
diff --git a/Yesod/GitRepo.hs b/Yesod/GitRepo.hs
--- a/Yesod/GitRepo.hs
+++ b/Yesod/GitRepo.hs
@@ -8,7 +8,6 @@
     , grRefresh
     , grContent
     , gitRepo
-    , gitRepoDev
     , Route (..)
     ) where
 
@@ -22,13 +21,11 @@
 import           Data.IORef                 (newIORef, readIORef, writeIORef)
 import           Data.Monoid                ((<>))
 import           Data.Text                  (Text, pack, unpack)
-import           Filesystem.Path.CurrentOS  (FilePath, decodeString,
-                                             encodeString)
 import           Network.HTTP.Types         (status200)
 import           Network.Wai                (responseLBS)
 import           Prelude                    (Eq, IO, Maybe (..), Monad (..),
                                              Read, Show, error, error, map,
-                                             show, ($))
+                                             show, ($), FilePath)
 import           System.Directory           (getTemporaryDirectory,
                                              removeDirectory)
 import           System.Exit                (ExitCode (ExitSuccess, ExitFailure))
@@ -71,10 +68,9 @@
            -> IO (GitRepo a)
 gitRepo url branch refresh = do
     tmpDir <- getTemporaryDirectory
-    contentDir' <- createTempDirectory tmpDir "git-repo"
-    let contentDir = decodeString contentDir'
-    removeDirectory contentDir'
-    git Nothing ["clone", "-b", branch, url, pack contentDir']
+    contentDir <- createTempDirectory tmpDir "git-repo"
+    removeDirectory contentDir
+    git Nothing ["clone", "-b", branch, url, pack contentDir]
     ref <- refresh contentDir >>= newIORef
     var <- newEmptyMVar
     mask_ $ void $ forkIO $ forever $ do
@@ -98,18 +94,6 @@
     parseRoute ([], []) = Just GitRepoRoute
     parseRoute _ = Nothing
 
--- | Like 'gitRepo', but intended to be used in a dev environment. It just uses
--- a hard-coded @FilePath@ and reloads the contents on each request.
---
--- Since 0.1.1
-gitRepoDev :: FilePath
-           -> (FilePath -> IO a)
-           -> IO (GitRepo a)
-gitRepoDev fp refresh = return GitRepo
-    { grRefresh = return ()
-    , grContent = refresh fp
-    }
-
 instance YesodSubDispatch (GitRepo a) (HandlerT site IO) where
     yesodSubDispatch env _req send = do
         void $ forkIO $ grRefresh gr
@@ -122,7 +106,7 @@
 git mdir args = do
     (Nothing, Nothing, Nothing, ph) <- createProcess
         (proc "git" $ map unpack args)
-            { cwd = encodeString <$> mdir
+            { cwd = mdir
             }
     ec <- waitForProcess ph
     case ec of
diff --git a/yesod-gitrepo.cabal b/yesod-gitrepo.cabal
--- a/yesod-gitrepo.cabal
+++ b/yesod-gitrepo.cabal
@@ -1,7 +1,6 @@
 name:                yesod-gitrepo
-version:             0.1.1.0
+version:             0.2.0.0
 synopsis:            Host content provided by a Git repo
-description:         See README.md
 homepage:            https://github.com/snoyberg/yesod-gitrepo
 license:             MIT
 license-file:        LICENSE
@@ -23,7 +22,6 @@
                      , http-types
                      , process >=1.1
                      , lifted-base
-                     , system-filepath
                      , text
                      , enclosed-exceptions
   default-language:    Haskell2010