1 files changed, 0 insertions, 23 deletions
diff --git a/pkgs/development/haskell-modules/patches/proto-lens-0.5.1.0.patch b/pkgs/development/haskell-modules/patches/proto-lens-0.5.1.0.patch
deleted file mode 100644
index b50d3f1cdbfc..000000000000
--- a/pkgs/development/haskell-modules/patches/proto-lens-0.5.1.0.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-diff --git a/src/Data/ProtoLens/Encoding/Parser/Internal.hs b/src/Data/ProtoLens/Encoding/Parser/Internal.hs
-index 30eeaad..f2703e7 100644
---- a/src/Data/ProtoLens/Encoding/Parser/Internal.hs
-+++ b/src/Data/ProtoLens/Encoding/Parser/Internal.hs
-@@ -1,4 +1,5 @@
- {-# LANGUAGE LambdaCase #-}
-+{-# LANGUAGE CPP #-}
- -- | Definition of the parsing monad, plus internal
- -- unsafe functions.
- module Data.ProtoLens.Encoding.Parser.Internal
-@@ -36,8 +37,11 @@ instance Applicative Parser where
-     (<*>) = ap
- 
- instance Monad Parser where
--    fail s = Parser $ \_ _ -> return $ ParseFailure s
-     return = pure
-     Parser f >>= g = Parser $ \end pos -> f end pos >>= \case
-         ParseSuccess pos' x -> unParser (g x) end pos'
-         ParseFailure s -> return $ ParseFailure s
-+#if MIN_VERSION_base(4,13,0)
-+instance MonadFail Parser where
-+#endif
-+    fail s = Parser $ \_ _ -> return $ ParseFailure s