diff --git a/toolkit/actors/ContentMetaChild.sys.mjs b/toolkit/actors/ContentMetaChild.sys.mjs
index 4e1cb9cb826c..221f8cee8d29 100644
--- a/toolkit/actors/ContentMetaChild.sys.mjs
+++ b/toolkit/actors/ContentMetaChild.sys.mjs
@@ -179,15 +179,6 @@ export class ContentMetaChild extends JSWindowActorChild {
             description: entry.description.value,
             previewImageURL: entry.image.value,
           });
-
-          // Telemetry for recording the size of page metadata
-          let metadataSize = entry.description.value
-            ? entry.description.value.length
-            : 0;
-          metadataSize += entry.image.value ? entry.image.value.length : 0;
-          Services.telemetry
-            .getHistogramById("PAGE_METADATA_SIZE")
-            .add(metadataSize);
         },
         TIMEOUT_DELAY,
         Ci.nsITimer.TYPE_ONE_SHOT
diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json
index 7bce2fcb98c8..ea2986462d0a 100644
--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -5370,17 +5370,6 @@
     "bug_numbers": [1053467],
     "description": "The width dimension of the 'sizes' attribute for <link rel=icon>."
   },
-  "PAGE_METADATA_SIZE": {
-    "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec"],
-    "expires_in_version": "never",
-    "kind": "linear",
-    "high": 500,
-    "n_buckets": 10,
-    "alert_emails": ["najiang@mozilla.com", "activity-stream@mozilla.com"],
-    "bug_numbers": [1399880],
-    "description": "The size of the description and preview image url for page metadata (Bytes)"
-  },
   "PLACES_SORTED_BOOKMARKS_PERC": {
     "record_in_processes": ["main", "content"],
     "products": ["firefox", "fennec", "thunderbird"],