diff --git a/build-constraints.yaml b/build-constraints.yaml
index 39f42735..888098df 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1889,10 +1889,6 @@ skipped-tests:
     - amazonka-ec2
     - amazonka-s3
     - amazonka-swf
-
-    # Data.HashSet is ambiguous
-    # https://github.com/fpco/stackage/issues/1010
-    - swagger2
 # end of skipped-tests
 
 # Tests which we should build and run, but which are expected to fail. We