diff --git a/build-constraints.yaml b/build-constraints.yaml
index 327fec8f..81f1d60c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3556,7 +3556,6 @@ packages:
         - validity-unordered-containers < 0 # GHC 8.4 via validity
         - validity-vector < 0 # GHC 8.4 via validity
         - validity-aeson < 0 # GHC 8.4 via validity-text
-        - hamilton < 0 # GHC 8.4 via vector-sized
         - elm-export < 0 # GHC 8.4 via wl-pprint-text
         - hsx-jmacro < 0 # GHC 8.4 via wl-pprint-text
         - jmacro < 0 # GHC 8.4 via wl-pprint-text
@@ -3828,7 +3827,6 @@ packages:
         - json-schema < 0 # GHC 8.4 via generic-aeson
         - hint < 0 # GHC 8.4 via ghc-8.4.1
         - hmatrix-backprop < 0 # GHC 8.4 via ghc-typelits-knownnat
-        - hmatrix-vector-sized < 0 # GHC 8.4 via ghc-typelits-knownnat
         - stack < 0 # GHC 8.4 via hackage-security
         - pandoc < 0 # GHC 8.4 via haddock-library-1.5.0.1
         - happstack-jmacro < 0 # GHC 8.4 via happstack-server