diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 074586b48c6..08020c5ccbc 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1496,4 +1496,12 @@ self: super: {
     extraPrefix = "";
   }));
 
+  # 2020-06-24: Jailbreaking because of restrictive test dep bounds
+  # Upstream issue: https://github.com/kowainik/trial/issues/62
+  trial = doJailbreak super.trial;
+
+  # 2020-06-24: Tests are broken in hackage distribution.
+  # See: https://github.com/kowainik/stan/issues/316
+  stan = dontCheck super.stan;
+
 } // import ./configuration-tensorflow.nix {inherit pkgs haskellLib;} self super
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index b69a136dbea..4444e8fa9e3 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -4792,7 +4792,6 @@ broken-packages:
   - extensible-data
   - extensible-effects-concurrent
   - extensible-skeleton
-  - extensions
   - external-sort
   - Extra
   - extract-dependencies
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 4309c542d72..a7bb5a8bb86 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -84727,8 +84727,6 @@ self: {
        ];
        description = "Parse Haskell Language Extensions";
        license = stdenv.lib.licenses.mpl20;
-       hydraPlatforms = stdenv.lib.platforms.none;
-       broken = true;
      }) {};
 
   "external-sort" = callPackage