diff --git a/test/.excludes-prism/TestISeq.rb b/test/.excludes-prism/TestISeq.rb
index 499ae2e53d..d6750fda36 100644
--- a/test/.excludes-prism/TestISeq.rb
+++ b/test/.excludes-prism/TestISeq.rb
@@ -1,2 +1 @@
-exclude(:test_each_child, "https://bugs.ruby-lang.org/issues/20479")
 exclude(:test_trace_points, "https://bugs.ruby-lang.org/issues/20479")