diff --git a/build-constraints.yaml b/build-constraints.yaml
index ea0473f6..8c92725d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1859,9 +1859,6 @@ expected-haddock-failures:
     # Not sure why, but it's a temporary package anyway
     - Cabal-ide-backend
 
-    # https://github.com/vincenthz/hs-certificate/issues/63
-    - x509-validation
-
 # Benchmarks which should not be built. Note that Stackage does *not* generally
 # build benchmarks. The difference here will be whether dependencies for these
 # benchmarks are included or not.