diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9062e2c..d8aa12b4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1281,9 +1281,6 @@ expected-test-failures:
     # https://github.com/bos/text/issues/118 GHC 7.10
     - text
 
-    # https://github.com/ekmett/machines/issues/42 GHC 7.10
-    - machines
-
     # https://github.com/ekmett/hyperloglog/issues/10 GHC 7.10
     - hyperloglog