--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -378842,22 +378842,16 @@
     ]
    ],
    "webrtc/RTCPeerConnection-createOffer.html": [
     [
      "/webrtc/RTCPeerConnection-createOffer.html",
      {}
     ]
    ],
-   "webrtc/RTCPeerConnection-generateCertificate.html": [
-    [
-     "/webrtc/RTCPeerConnection-generateCertificate.html",
-     {}
-    ]
-   ],
    "webrtc/RTCPeerConnection-getTransceivers.html": [
     [
      "/webrtc/RTCPeerConnection-getTransceivers.html",
      {}
     ]
    ],
    "webrtc/RTCPeerConnection-iceConnectionState.html": [
     [
@@ -631571,20 +631565,16 @@
   "webrtc/RTCPeerConnection-createDataChannel.html": [
    "47e58b26cf295fa1a0559ac7de7d1f119cb05106",
    "testharness"
   ],
   "webrtc/RTCPeerConnection-createOffer.html": [
    "07b9d476471b20d827a09a0c8b79a36e48d986b0",
    "testharness"
   ],
-  "webrtc/RTCPeerConnection-generateCertificate.html": [
-   "27fb46922255203da0fc26a63808aeb98a60b640",
-   "testharness"
-  ],
   "webrtc/RTCPeerConnection-getTransceivers.html": [
    "498e9cb9d143626fb78839c1c550d05e9a46c22f",
    "testharness"
   ],
   "webrtc/RTCPeerConnection-helper.js": [
    "fbfee08e2b8c5f031780b5efd1139cfe310c89fb",
    "support"
   ],