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-rw-r--r--compiler/utils/Exception.hs5
1 files changed, 0 insertions, 5 deletions
diff --git a/compiler/utils/Exception.hs b/compiler/utils/Exception.hs
index de7863454a..fa067b0859 100644
--- a/compiler/utils/Exception.hs
+++ b/compiler/utils/Exception.hs
@@ -10,11 +10,6 @@ import Prelude hiding (catch)
import Control.Exception
-#if __GLASGOW_HASKELL__ < 613
-mask_ :: ((IO a -> IO a) -> IO b) -> IO b
-mask_ f = block (f unblock)
-#endif
-
catchIO :: IO a -> (IOException -> IO a) -> IO a
catchIO = catch