diff --git a/build-constraints.yaml b/build-constraints.yaml
index 097260a7..5078f8b2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1697,10 +1697,10 @@ packages:
         - tries < 0 # GHC 8.4 via bytestring-trie
         - unit-constraint
         - unfoldable-restricted
-        - urlpath # 0 # GHC 8.4 via monad-control-aligned
+        - urlpath
         - wai-transformers
         - websockets-rpc < 0 # GHC 8.4 via uuid
-        - websockets-simple # needs monad-control-aligned and wai-transformers-0.1.0
+        - websockets-simple < 0 # BuildFailureException with GHC 8.4
         - webpage < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - ws