diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7f57c646..76b5d0ec 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4225,7 +4225,6 @@ expected-test-failures:
     - http-client # https://github.com/snoyberg/http-client/issues/360
     - http-client-tls # https://github.com/snoyberg/http-client/issues/360
     - http-link-header # https://github.com/myfreeweb/http-link-header/issues/7
-    - main-tester # https://github.com/fpco/stackage/pull/3528
     - mmark # https://github.com/commercialhaskell/stackage/issues/3906#issuecomment-413061849
     - servant-swagger # https://github.com/haskell-servant/servant-swagger/issues/89
     - unicode-show # https://github.com/nushio3/unicode-show/issues/2