diff --git a/build-constraints.yaml b/build-constraints.yaml
index a0dfbca7..e9f531c7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3142,9 +3142,6 @@ expected-haddock-failures:
     # https://github.com/GetShopTV/swagger2/issues/66
     - swagger2
 
-    # https://github.com/aelve/microlens/issues/72
-    - microlens
-
     # https://github.com/iand675/metrics/issues/5
     - metrics