diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4e583c40..53c61fcb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6833,9 +6833,6 @@ expected-test-failures:
     # https://github.com/commercialhaskell/stackage/issues/4643
     - world-peace
 
-    # https://github.com/commercialhaskell/stackage/issues/4646
-    - singletons
-
     # Cannot reproduce locally, looks like it may be a bug in Stack or curator
     - shake-language-c