diff --git a/build-constraints.yaml b/build-constraints.yaml
index bc757e30..45cdab66 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4668,10 +4668,6 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4604
         - inline-c < 0.8
 
-        # https://github.com/commercialhaskell/stackage/issues/4605
-        - ghc-lib < 0.20190603
-        - ghc-lib-parser < 0.20190603
-
         # https://github.com/commercialhaskell/stackage/issues/4613
         - fixed < 0.3