diff --git a/tools/amend-event-data.js b/tools/amend-event-data.js
index 57ec711b484d..e900e0634b3a 100644
--- a/tools/amend-event-data.js
+++ b/tools/amend-event-data.js
@@ -270,6 +270,21 @@ const patches = {
       change: { bubbles: false}
     }
   ],
+  'mediacapture-surface-control': [
+    // Pending clarification on the notion of "viewport":
+    // https://github.com/w3c/mediacapture-surface-control/issues/51
+    {
+      pattern: { type: 'wheel' },
+      matched: 1,
+      delete: true
+    },
+    // Pending https://github.com/w3c/mediacapture-surface-control/issues/50
+    {
+      pattern: { type: 'capturedzoomlevelchange' },
+      matched: 1,
+      change: { interface: "Event" }
+    }
+  ],
   'notifications': [
     {
       pattern: { type: /^notification(click|close)$/ },