diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 2bcd3ee5..fd06c34d 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -270,8 +270,6 @@ jobs:
           echo "    ghc-options: -Werror=missing-methods" >> cabal.project
           cat >> cabal.project <<EOF
           allow-newer: hermes-json:attoparsec-iso8601
-          allow-newer: network-uri:deepseq
-          allow-newer: attoparsec:ghc-prim
           EOF
           $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(aeson|aeson-benchmarks|aeson-examples|attoparsec-aeson|attoparsec-iso8601|text-iso8601)$/; }' >> cabal.project.local
           cat cabal.project
diff --git a/cabal.project b/cabal.project
index 7488b812..76d93db0 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,9 +12,3 @@ allow-newer: hermes-json:attoparsec-iso8601
 
 -- packages: https://hackage.haskell.org/package/libperf-0.1/candidate/libperf-0.1.tar.gz
 -- packages: https://hackage.haskell.org/package/tasty-perfbench-0.1/candidate/tasty-perfbench-0.1.tar.gz
-
--- https://github.com/haskell/network-uri
-allow-newer: network-uri:deepseq
-
--- https://github.com/haskell/attoparsec/issues/223
-allow-newer: attoparsec:ghc-prim