diff --git a/build-constraints.yaml b/build-constraints.yaml
index ba055868..89718738 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1234,15 +1234,10 @@ packages:
     "Emanuel Borsboom <manny@fpcomplete.com> @borsboom":
         - BoundedChan
         - broadcast-chan
-        - bytestring-lexing
-        - bytestring-trie < 0 # build failure with GHC 8.4
-        - data-accessor
-        - data-accessor-mtl
         - fuzzcheck
         - here
         - hlibgit2
         # - gitlib-libgit2 # via gitlib: https://github.com/jwiegley/gitlib/issues/72
-        - hostname-validate
         - interpolatedstring-perl6
         - iproute
         - missing-foreign