diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2b30d85b..68a69f7e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3786,7 +3786,6 @@ expected-benchmark-failures:
     - monad-memo # https://github.com/EduardSergeev/monad-memo/issues/3
     - ip # https://github.com/andrewthad/haskell-ip/issues/22
     - cmark-gfm # https://github.com/kivikakk/cmark-gfm-hs/issues/5
-    - mono-traversable # https://github.com/snoyberg/mono-traversable/issues/158
 
 # end of expected-benchmark-failures