diff --git a/build-constraints.yaml b/build-constraints.yaml
index ce4fa0f1..85a3b865 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2816,9 +2816,6 @@ expected-test-failures:
     # https://github.com/thoughtpolice/hs-ed25519/issues/15
     - ed25519
 
-    # https://github.com/dhess/hpio/issues/47
-    - hpio
-
     # https://github.com/twanvl/multiset/issues/24
     - multiset
 # end of expected-test-failures