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-rw-r--r--libraries/base/Control/Concurrent/QSem.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/base/Control/Concurrent/QSem.hs b/libraries/base/Control/Concurrent/QSem.hs
index e20c737fdb..51624e4777 100644
--- a/libraries/base/Control/Concurrent/QSem.hs
+++ b/libraries/base/Control/Concurrent/QSem.hs
@@ -1,5 +1,5 @@
{-# LANGUAGE Safe #-}
-{-# LANGUAGE AutoDeriveTypeable, BangPatterns #-}
+{-# LANGUAGE BangPatterns #-}
{-# OPTIONS_GHC -funbox-strict-fields #-}
-----------------------------------------------------------------------------