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--- a/toolkit/components/telemetry/TelemetryEnvironment.jsm
+++ b/toolkit/components/telemetry/TelemetryEnvironment.jsm
@@ -122,17 +122,16 @@ const DEFAULT_ENVIRONMENT_PREFS = new Ma
   ["app.update.service.enabled", {what: RECORD_PREF_VALUE}],
   ["app.update.silent", {what: RECORD_PREF_VALUE}],
   ["app.update.url", {what: RECORD_PREF_VALUE}],
   ["browser.cache.disk.enable", {what: RECORD_PREF_VALUE}],
   ["browser.cache.disk.capacity", {what: RECORD_PREF_VALUE}],
   ["browser.cache.memory.enable", {what: RECORD_PREF_VALUE}],
   ["browser.cache.offline.enable", {what: RECORD_PREF_VALUE}],
   ["browser.formfill.enable", {what: RECORD_PREF_VALUE}],
-  ["browser.newtab.url", {what: RECORD_PREF_STATE}],
   ["browser.newtabpage.enabled", {what: RECORD_PREF_VALUE}],
   ["browser.newtabpage.enhanced", {what: RECORD_PREF_VALUE}],
   ["browser.shell.checkDefaultBrowser", {what: RECORD_PREF_VALUE}],
   ["browser.search.suggest.enabled", {what: RECORD_PREF_VALUE}],
   ["browser.startup.homepage", {what: RECORD_PREF_STATE}],
   ["browser.startup.page", {what: RECORD_PREF_VALUE}],
   ["browser.tabs.animate", {what: RECORD_PREF_VALUE}],
   ["browser.urlbar.suggest.searches", {what: RECORD_PREF_VALUE}],

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