diff --git a/build-constraints.yaml b/build-constraints.yaml
index eb9a80b6..34f62595 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1756,9 +1756,6 @@ expected-test-failures:
     # https://github.com/haskell/haddock/issues/390 GHC 7.10
     - haddock-library
 
-    # https://github.com/ekmett/machines/issues/44
-    - machines
-
     # https://github.com/haskell/ghc-events/issues/9
     - ghc-events