diff --git a/build-constraints.yaml b/build-constraints.yaml
index e3c3bcd6..1054d67b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1128,8 +1128,6 @@ packages:
         # https://github.com/fpco/stackage/issues/639
         - mainland-pretty < 0.3
 
-        # https://github.com/fpco/stackage/issues/640
-        - time-locale-compat < 0.1.1.0
 
 # Package flags are applied to individual packages, and override the values of
 # global-flags