diff --git a/Octokit/Models/Response/EventInfo.cs b/Octokit/Models/Response/EventInfo.cs
index 949e059c..2c61881d 100644
--- a/Octokit/Models/Response/EventInfo.cs
+++ b/Octokit/Models/Response/EventInfo.cs
@@ -156,13 +156,11 @@ namespace Octokit
         /// <summary>
         /// The pull request’s branch was deleted.
         /// </summary>
-        [Parameter(Value = "head_ref_deleted")]
         HeadRefDeleted,
 
         /// <summary>
         /// The pull request’s branch was restored.
         /// </summary>
-        [Parameter(Value = "head_ref_restored")]
         HeadRefRestored,
     }
 }
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