7 files changed, 1 insertions, 7 deletions
diff --git a/libraries/base/GHC/Event/EPoll.hsc b/libraries/base/GHC/Event/EPoll.hsc
index 298f450096..f3d635bb5f 100644
--- a/libraries/base/GHC/Event/EPoll.hsc
+++ b/libraries/base/GHC/Event/EPoll.hsc
@@ -40,7 +40,6 @@ available = False
 
 import Control.Monad (when)
 import Data.Bits (Bits, FiniteBits, (.|.), (.&.))
-import Data.Maybe (Maybe(..))
 import Data.Word (Word32)
 import Foreign.C.Error (eNOENT, getErrno, throwErrno,
                         throwErrnoIfMinus1, throwErrnoIfMinus1_)
diff --git a/libraries/base/GHC/Event/Internal.hs b/libraries/base/GHC/Event/Internal.hs
index fcd7886a20..f57cf9b88a 100644
--- a/libraries/base/GHC/Event/Internal.hs
+++ b/libraries/base/GHC/Event/Internal.hs
@@ -24,7 +24,6 @@ module GHC.Event.Internal
 
 import Data.Bits ((.|.), (.&.))
 import Data.List (foldl', intercalate)
-import Data.Maybe (Maybe(..))
 import Foreign.C.Error (eINTR, getErrno, throwErrno)
 import System.Posix.Types (Fd)
 import GHC.Base
diff --git a/libraries/base/GHC/Event/Manager.hs b/libraries/base/GHC/Event/Manager.hs
index f07efba311..9f12ecd9dc 100644
--- a/libraries/base/GHC/Event/Manager.hs
+++ b/libraries/base/GHC/Event/Manager.hs
@@ -56,7 +56,7 @@ import Control.Monad ((=<<), forM_, when, replicateM, void)
 import Data.Bits ((.&.))
 import Data.IORef (IORef, atomicModifyIORef', mkWeakIORef, newIORef, readIORef,
                    writeIORef)
-import Data.Maybe (Maybe(..), maybe)
+import Data.Maybe (maybe)
 import GHC.Arr (Array, (!), listArray)
 import GHC.Base
 import GHC.Conc.Signal (runHandlers)
diff --git a/libraries/base/GHC/Event/PSQ.hs b/libraries/base/GHC/Event/PSQ.hs
index 853958bc29..a623625761 100644
--- a/libraries/base/GHC/Event/PSQ.hs
+++ b/libraries/base/GHC/Event/PSQ.hs
@@ -88,7 +88,6 @@ module GHC.Event.PSQ
     , atMost
     ) where
 
-import Data.Maybe (Maybe(..))
 import GHC.Base
 import GHC.Num (Num(..))
 import GHC.Show (Show(showsPrec))
diff --git a/libraries/base/GHC/Event/Poll.hsc b/libraries/base/GHC/Event/Poll.hsc
index ad2a96f56f..fd05a13799 100644
--- a/libraries/base/GHC/Event/Poll.hsc
+++ b/libraries/base/GHC/Event/Poll.hsc
@@ -28,7 +28,6 @@ available = False
 import Control.Concurrent.MVar (MVar, newMVar, swapMVar)
 import Control.Monad ((=<<), unless)
 import Data.Bits (Bits, FiniteBits, (.|.), (.&.))
-import Data.Maybe (Maybe(..))
 import Data.Word
 import Foreign.C.Types (CInt(..), CShort(..))
 import Foreign.Ptr (Ptr)
diff --git a/libraries/base/GHC/Event/Thread.hs b/libraries/base/GHC/Event/Thread.hs
index 0a82a548da..3d4dc7d405 100644
--- a/libraries/base/GHC/Event/Thread.hs
+++ b/libraries/base/GHC/Event/Thread.hs
@@ -19,7 +19,6 @@ import Control.Exception (finally, SomeException, toException)
 import Control.Monad (forM, forM_, sequence_, zipWithM, when)
 import Data.IORef (IORef, newIORef, readIORef, writeIORef)
 import Data.List (zipWith3)
-import Data.Maybe (Maybe(..))
 import Data.Tuple (snd)
 import Foreign.C.Error (eBADF, errnoToIOError)
 import Foreign.C.Types (CInt(..), CUInt(..))
diff --git a/libraries/base/GHC/Event/TimerManager.hs b/libraries/base/GHC/Event/TimerManager.hs
index cbfce59434..435693a927 100644
--- a/libraries/base/GHC/Event/TimerManager.hs
+++ b/libraries/base/GHC/Event/TimerManager.hs
@@ -42,7 +42,6 @@ import Control.Exception (finally)
 import Control.Monad ((=<<), sequence_, when)
 import Data.IORef (IORef, atomicModifyIORef', mkWeakIORef, newIORef, readIORef,
                    writeIORef)
-import Data.Maybe (Maybe(..))
 import GHC.Base
 import GHC.Conc.Signal (runHandlers)
 import GHC.Num (Num(..))