diff --git a/build-constraints.yaml b/build-constraints.yaml
index 60661115..af50e92e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3757,7 +3757,6 @@ packages:
         - strive < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - test-fixture < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - th-to-exp < 0 # GHC 8.4 via template-haskell-2.13.0.0
-        - threepenny-gui < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - web-routes-th < 0 # GHC 8.4 via template-haskell-2.13.0.0
 
         # missed by first wave
@@ -3860,8 +3859,8 @@ packages:
         - wrecker < 0 # GHC 8.4 via tdigest
         - syb-with-class < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - type-assertions < 0 # GHC 8.4 via test-fixture
-        - threepenny-editors < 0 # GHC 8.4 via threepenny-gui
-        - threepenny-gui-flexbox < 0 # GHC 8.4 via threepenny-gui
+        - threepenny-editors < 0 # GHC 8.4
+        - threepenny-gui-flexbox < 0 # GHC 8.4 via clay
         - MonadRandom < 0 # GHC 8.4 via transformers-compat-0.6.0.6
         - exception-transformers < 0 # GHC 8.4 via transformers-compat-0.6.0.6
         - monad-control-aligned < 0 # GHC 8.4 via transformers-compat-0.6.0.6
@@ -3973,7 +3972,6 @@ packages:
         - lambdabot-irc-plugins < 0 # GHC 8.4 via lambdabot-core
 
         # trans deps, rediscovered.
-        - websockets-snap < 0 # GHC 8.4 via snap-server-1.1.0.0
         - eventstore < 0 # GHC 8.4 via text-format
 
         - language-ecmascript < 0 # wl-pprint