diff --git a/build-constraints.yaml b/build-constraints.yaml
index 684d8bbf..a79fc002 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4400,13 +4400,6 @@ packages:
         - hspec-checkers < 0 # GHC 8.4 via checkers
         - picedit < 0 # GHC 8.4 via cli
         - termcolor < 0 # GHC 8.4 via cli
-        - Hoed < 0 # GHC 8.4 via clock
-        - cache < 0 # GHC 8.4 via clock
-        - clock-extras < 0 # GHC 8.4 via clock
-        - extra < 0 # GHC 8.4 via clock
-        - formatting < 0 # GHC 8.4 via clock
-        - mercury-api < 0 # GHC 8.4 via clock
-        - stopwatch < 0 # GHC 8.4 via clock
         - glabrous < 0 # GHC 8.4 via either
         - model < 0 # GHC 8.4 via either
         - diversity < 0 # GHC 8.4 via fasta
@@ -4518,10 +4511,6 @@ packages:
         - hunit-dejafu < 0 # GHC 8.4 via dejafu
         - selda-sqlite < 0 # GHC 8.4 via direct-sqlite
         - distributed-process-monad-control < 0 # GHC 8.4 via distributed-process
-        - hexml < 0 # GHC 8.4 via extra
-        - hlint < 0 # GHC 8.4 via extra
-        - shake < 0 # GHC 8.4 via extra
-        - weeder < 0 # GHC 8.4 via extra
         - flat-mcmc < 0 # GHC 8.4 via formatting
         - process-extras < 0 # GHC 8.4 via generic-deriving
         - unicode-transforms < 0 # GHC 8.4 via getopt-generics
@@ -4547,7 +4536,6 @@ packages:
         - scalpel < 0 # GHC 8.4 via scalpel-core
         - hackage-db < 0 # GHC 8.4 via tar
         - packdeps < 0 # GHC 8.4 via tar
-        - hlint < 0 # GHC 8.4 via yaml
         - lxd-client-config < 0 # GHC 8.4 via yaml
         - weeder < 0 # GHC 8.4 via yaml
         - epub-metadata < 0 # GHC 8.4 via zip-archive
@@ -4573,8 +4561,6 @@ packages:
         - quickcheck-special < 0 # GHC 8.4 via special-values
         - slave-thread < 0 # GHC 8.4 via stm-containers
         - quickcheck-combinators < 0 # GHC 8.4 via unfoldable-restricted
-        - haskell-src-exts-util < 0 # GHC 8.4 via uniplate
-        - nsis < 0 # GHC 8.4 via uniplate
         - Workflow < 0 # GHC 8.4 via RefSerialize
         - Workflow < 0 # GHC 8.4 via TCache
         - cairo < 0 # GHC 8.4 via gtk2hs-buildtools
@@ -4651,10 +4637,6 @@ packages:
         - zippers < 0 # GHC 8.4 via doctest-0.15.0
         - jose-jwt < 0 # GHC 8.4 via either
         - eventsource-store-specs < 0 # GHC 8.4 via eventsource-api
-        - Spintax < 0 # GHC 8.4 via extra
-        - algebraic-graphs < 0 # GHC 8.4 via extra
-        - dbus < 0 # GHC 8.4 via extra
-        - hledger-lib < 0 # GHC 8.4 via extra
         - hapistrano < 0 # GHC 8.4 via formatting
         - genvalidity-aeson < 0 # GHC 8.4 via genvalidity-hspec
         - genvalidity-bytestring < 0 # GHC 8.4 via genvalidity-hspec
@@ -4853,6 +4835,7 @@ packages:
         - biopsl < 0 # GHC 8.4 via biocore
         - tagged-binary < 0 # GHC 8.4 via pureMD5
         - validity-scientific < 0 # GHC 8.4 via validity
+        - Hoed < 0 # GHC 8.4 via hashtables
 
 
     "GHC upper bounds":