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-rw-r--r--libraries/base/Control/Arrow.hs1
1 files changed, 0 insertions, 1 deletions
diff --git a/libraries/base/Control/Arrow.hs b/libraries/base/Control/Arrow.hs
index 9d09544eeb..c9281569f9 100644
--- a/libraries/base/Control/Arrow.hs
+++ b/libraries/base/Control/Arrow.hs
@@ -314,7 +314,6 @@ instance Arrow a => Applicative (ArrowMonad a) where
ArrowMonad f <*> ArrowMonad x = ArrowMonad (f &&& x >>> arr (uncurry id))
instance ArrowApply a => Monad (ArrowMonad a) where
- return x = ArrowMonad (arr (\_ -> x))
ArrowMonad m >>= f = ArrowMonad $
m >>> arr (\x -> let ArrowMonad h = f x in (h, ())) >>> app