diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9dbe81e6..497d4e52 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1805,9 +1805,6 @@ packages:
         # https://github.com/fpco/stackage/issues/992
         - safecopy < 0.9
 
-        # https://github.com/fpco/stackage/issues/1042
-        - clock < 0.6
-
         # https://github.com/fpco/stackage/issues/1047
         - unbound-generics < 0.3
 # end of packages