diff --git a/build-constraints.yaml b/build-constraints.yaml
index 378e94ad..1b6ac9e1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -489,7 +489,7 @@ packages:
         - hourglass-orphans
         - wai-slack-middleware
         - sysinfo
-        - xmonad-extras < 0 # GHC 8.4 via hint
+        - xmonad-extras < 0 # https://github.com/commercialhaskell/stackage/issues/3724
         - shelly
         - persistent-redis < 0 # GHC 8.4 via hedis
 
@@ -785,7 +785,7 @@ packages:
         - byteset
         - Clipboard
         - grouped-list < 0 # GHC 8.4 via base-4.11.1.0
-        - haskintex # 0 # GHC 8.4 via hint
+        - haskintex
         - HaTeX
         - include-file
         - matrix
@@ -3485,7 +3485,7 @@ packages:
         - hastache < 0 # GHC 8.4 via base-4.11.0.0
         - token-bucket < 0 # GHC 8.4 via base-4.11.0.0
         - attoparsec-time < 0 # GHC 8.4 via doctest-0.15.0
-        - hint # 0 # GHC 8.4 via ghc-8.4.1
+        - hint
         - syb-with-class < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - consul-haskell
         - hasql-transaction