diff --git a/build-constraints.yaml b/build-constraints.yaml
index c18eb3ae..31df693c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3866,9 +3866,6 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4131
         - http-api-data < 0.4
 
-        # https://github.com/commercialhaskell/stackage/issues/4156
-        - base-unicode-symbols < 0.2.3
-
         # https://github.com/commercialhaskell/stackage/issues/4167
         - protocol-buffers < 2.4.12
         - protocol-buffers-descriptor < 2.4.12