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-rw-r--r--libraries/base/Data/STRef.hs8
1 files changed, 0 insertions, 8 deletions
diff --git a/libraries/base/Data/STRef.hs b/libraries/base/Data/STRef.hs
index f8e6e13c58..ecedcc1989 100644
--- a/libraries/base/Data/STRef.hs
+++ b/libraries/base/Data/STRef.hs
@@ -32,14 +32,6 @@ import GHC.ST
import GHC.STRef
#endif
-#ifdef __HUGS__
-import Hugs.ST
-import Data.Typeable
-
-#include "Typeable.h"
-INSTANCE_TYPEABLE2(STRef,stRefTc,"STRef")
-#endif
-
-- | Mutate the contents of an 'STRef'.
--
-- Be warned that 'modifySTRef' does not apply the function strictly. This