diff --git a/CHANGES.txt b/CHANGES.txt
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,5 +1,7 @@
 Changelog for GHCiD
 
+0.4.2
+    Fix a GHC 7.6 warning
 0.4.1
     #37, add a --notitle flag
     Require extra-1.2
diff --git a/ghcid.cabal b/ghcid.cabal
--- a/ghcid.cabal
+++ b/ghcid.cabal
@@ -1,7 +1,7 @@
 cabal-version:      >= 1.10
 build-type:         Simple
 name:               ghcid
-version:            0.4.1
+version:            0.4.2
 license:            BSD3
 license-file:       LICENSE
 category:           Development
diff --git a/src/Test/Polling.hs b/src/Test/Polling.hs
--- a/src/Test/Polling.hs
+++ b/src/Test/Polling.hs
@@ -8,7 +8,6 @@
 import Control.Monad
 import Data.Char
 import Data.List.Extra
-import Data.Maybe
 import System.FilePath
 import System.Directory.Extra
 import System.IO