diff --git a/pkgs/development/libraries/haskell/trifecta/1.1.nix b/pkgs/development/libraries/haskell/trifecta/1.1.nix
index ac6cfdd43ae1..bf5f2f0d0a70 100644
--- a/pkgs/development/libraries/haskell/trifecta/1.1.nix
+++ b/pkgs/development/libraries/haskell/trifecta/1.1.nix
@@ -18,8 +18,7 @@ cabal.mkDerivation (self: {
     substituteInPlace trifecta.cabal \
       --replace "blaze-html           >= 0.5     && < 0.6," "blaze-html           >= 0.5     && < 0.7," \
       --replace "hashable             >= 1.2     && < 1.3," "hashable             >= 1.1     && < 1.3," \
-      --replace "fingertree           >= 0.0.1   && < 0.1," "fingertree           >= 0.0.1   && < 0.2," \
-      --replace "comonad              == 3.*,"              "comonad              >= 3       && < 5,"
+      --replace "fingertree           >= 0.0.1   && < 0.1," "fingertree           >= 0.0.1   && < 0.2,"
   '';
   meta = {
     homepage = "http://github.com/ekmett/trifecta/";