--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -5231,24 +5231,28 @@
     "n_buckets" : 100,
     "description": "PLACES: Size of favicon files without a specific file type probe, loaded from the web (Bytes)"
   },
   "LINK_ICON_SIZES_ATTR_USAGE": {
     "record_in_processes": ["main", "content"],
     "expires_in_version" : "never",
     "kind": "enumerated",
     "n_values": 4,
+    "alert_emails": ["fx-search@mozilla.com"],
+    "bug_numbers": [1053467],
     "description": "The possible types of the 'sizes' attribute for <link rel=icon>. 0: Attribute not specified, 1: 'any', 2: Integer dimensions, 3: Invalid value."
   },
   "LINK_ICON_SIZES_ATTR_DIMENSION": {
     "record_in_processes": ["main", "content"],
     "expires_in_version" : "never",
     "kind": "linear",
     "high": 513,
     "n_buckets" : 64,
+    "alert_emails": ["fx-search@mozilla.com"],
+    "bug_numbers": [1053467],
     "description": "The width dimension of the 'sizes' attribute for <link rel=icon>."
   },
   "PAGE_METADATA_SIZE": {
     "record_in_processes": ["main", "content"],
     "expires_in_version": "never",
     "kind": "linear",
     "high": 500,
     "n_buckets": 10,

--- a/toolkit/components/telemetry/histogram-whitelists.json
+++ b/toolkit/components/telemetry/histogram-whitelists.json
@@ -283,18 +283,16 @@
     "HTTP_SUB_OPEN_TO_FIRST_SENT",
     "HTTP_SUB_REVALIDATION",
     "HTTP_TRANSACTION_USE_ALTSVC",
     "HTTP_TRANSACTION_USE_ALTSVC_OE",
     "INNERWINDOWS_WITH_MUTATION_LISTENERS",
     "IPC_SAME_PROCESS_MESSAGE_COPY_OOM_KB",
     "IPV4_AND_IPV6_ADDRESS_CONNECTIVITY",
     "JS_TELEMETRY_ADDON_EXCEPTIONS",
-    "LINK_ICON_SIZES_ATTR_DIMENSION",
-    "LINK_ICON_SIZES_ATTR_USAGE",
     "LOCALDOMSTORAGE_CLEAR_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETALLKEYS_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETKEY_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETLENGTH_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETVALUE_BLOCKING_MS",
     "LOCALDOMSTORAGE_PRELOAD_PENDING_ON_FIRST_ACCESS",
     "LOCALDOMSTORAGE_REMOVEKEY_BLOCKING_MS",
     "LOCALDOMSTORAGE_SESSIONONLY_PRELOAD_BLOCKING_MS",
@@ -954,18 +952,16 @@
     "IMAGE_DECODE_SPEED_PNG",
     "IMAGE_DECODE_TIME",
     "INNERWINDOWS_WITH_MUTATION_LISTENERS",
     "IPC_SAME_PROCESS_MESSAGE_COPY_OOM_KB",
     "IPC_TRANSACTION_CANCEL",
     "IPV4_AND_IPV6_ADDRESS_CONNECTIVITY",
     "JS_DEPRECATED_LANGUAGE_EXTENSIONS_IN_CONTENT",
     "JS_TELEMETRY_ADDON_EXCEPTIONS",
-    "LINK_ICON_SIZES_ATTR_DIMENSION",
-    "LINK_ICON_SIZES_ATTR_USAGE",
     "LOCALDOMSTORAGE_CLEAR_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETALLKEYS_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETKEY_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETLENGTH_BLOCKING_MS",
     "LOCALDOMSTORAGE_GETVALUE_BLOCKING_MS",
     "LOCALDOMSTORAGE_PRELOAD_PENDING_ON_FIRST_ACCESS",
     "LOCALDOMSTORAGE_REMOVEKEY_BLOCKING_MS",
     "LOCALDOMSTORAGE_SESSIONONLY_PRELOAD_BLOCKING_MS",