diff --git a/build-constraints.yaml b/build-constraints.yaml
index ed0762e4..1678926b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3833,9 +3833,6 @@ expected-test-failures:
     # https://github.com/beijaflor-io/haskell-language-dockerfile/issues/8
     - language-dockerfile
 
-    # https://github.com/kazu-yamamoto/word8/issues/5
-    - word8
-
     # https://github.com/pruvisto/heap/issues/4
     - heap