diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 26e0f56d506..ec84fad972f 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -357,6 +357,7 @@ self: super: {
   pwstore-cli = dontCheck super.pwstore-cli;
   quantities = dontCheck super.quantities;
   redis-io = dontCheck super.redis-io;
+  reflex = dontCheck super.reflex; # test suite uses hlint, which has different haskell-src-exts version
   rethinkdb = dontCheck super.rethinkdb;
   Rlang-QQ = dontCheck super.Rlang-QQ;
   safecopy = dontCheck super.safecopy;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index 3d215cb03ed..8f57116eff2 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -8097,7 +8097,6 @@ broken-packages:
   - refh
   - refined
   - reflection-extras
-  - reflex
   - reflex-animation
   - reflex-backend-wai
   - reflex-basic-host