diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 058a69dcb6..586b15a62d 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -7,7 +7,7 @@
 
         layout nil
 
-        layout proc { |c| nil }
+        layout proc { nil }
 
         layout :returns_nil