diff --git a/browser/base/content/baseMenuOverlay.xul b/browser/base/content/baseMenuOverlay.xul
index 1befa2bb66cc..da74ca077c0c 100644
--- a/browser/base/content/baseMenuOverlay.xul
+++ b/browser/base/content/baseMenuOverlay.xul
@@ -22,7 +22,7 @@
      used as they only apply to Cocoa widget builds. All version of Firefox
      through Firefox 2 will use Carbon widgets. -->
     <menupopup id="menu_ToolsPopup">
-        <menuitem id="menu_preferences" label="&preferencesCmdMac.label;" key="key_preferencesCmdMac" oncommand="openPreferences(undefined, {origin: 'commandLineLegacy'});"/>
+        <menuitem id="menu_preferences" label="&preferencesCmdMac.label;" key="key_preferencesCmdMac" oncommand="openPreferences();"/>
         <menuitem id="menu_mac_services" label="&servicesMenuMac.label;"/>
         <menuitem id="menu_mac_hide_app" label="&hideThisAppCmdMac2.label;" key="key_hideThisAppCmdMac"/>
         <menuitem id="menu_mac_hide_others" label="&hideOtherAppsCmdMac.label;" key="key_hideOtherAppsCmdMac"/>
diff --git a/browser/base/content/browser-data-submission-info-bar.js b/browser/base/content/browser-data-submission-info-bar.js
index e9cbd54ab355..c499300a9d9e 100644
--- a/browser/base/content/browser-data-submission-info-bar.js
+++ b/browser/base/content/browser-data-submission-info-bar.js
@@ -69,9 +69,9 @@ var gDataNotificationInfoBar = {
         // The advanced subpanes are only supported in the old organization, which will
         // be removed by bug 1349689.
         if (Preferences.get("browser.preferences.useOldOrganization", false)) {
-          window.openAdvancedPreferences("dataChoicesTab", {origin: "dataReporting"});
+          window.openAdvancedPreferences("dataChoicesTab");
         } else {
-          window.openPreferences("privacy-reports", {origin: "dataReporting"});
+          window.openPreferences("privacy-reports");
         }
       },
     }];
diff --git a/browser/base/content/browser-media.js b/browser/base/content/browser-media.js
index ba6d93d54a02..b8ef627afc6b 100644
--- a/browser/base/content/browser-media.js
+++ b/browser/base/content/browser-media.js
@@ -167,7 +167,7 @@ var gEMEHandler = {
     let mainAction = {
       label: gNavigatorBundle.getString(btnLabelId),
       accessKey: gNavigatorBundle.getString(btnAccessKeyId),
-      callback() { openPreferences("panePrivacy", {origin: "browserMedia"}); },
+      callback() { openPreferences("panePrivacy"); },
       dismiss: true
     };
     let options = {
diff --git a/browser/base/content/browser-menubar.inc b/browser/base/content/browser-menubar.inc
index db88fa385cb7..18737b42b36a 100644
--- a/browser/base/content/browser-menubar.inc
+++ b/browser/base/content/browser-menubar.inc
@@ -185,7 +185,7 @@
                 <menuitem id="menu_preferences"
                           label="&preferencesCmdUnix.label;"
                           accesskey="&preferencesCmdUnix.accesskey;"
-                          oncommand="openPreferences(undefined, {origin: 'menubar'});"/>
+                          oncommand="openPreferences();"/>
 #endif
 #endif
               </menupopup>
@@ -532,7 +532,7 @@
               <menuitem id="menu_preferences"
                         label="&preferencesCmd2.label;"
                         accesskey="&preferencesCmd2.accesskey;"
-                        oncommand="openPreferences(undefined, {origin: 'menubar'});"/>
+                        oncommand="openPreferences();"/>
 #endif
               </menupopup>
             </menu>
diff --git a/browser/base/content/browser-sets.inc b/browser/base/content/browser-sets.inc
index 2a7c63c405f6..01b5bdae2c14 100644
--- a/browser/base/content/browser-sets.inc
+++ b/browser/base/content/browser-sets.inc
@@ -93,7 +93,7 @@
     <command id="Browser:OpenLocation" oncommand="openLocation();"/>
     <command id="Browser:RestoreLastSession" oncommand="restoreLastSession();" disabled="true"/>
     <command id="Browser:NewUserContextTab" oncommand="openNewUserContextTab(event.sourceEvent);"/>
-    <command id="Browser:OpenAboutContainers" oncommand="openPreferences('paneContainers', {origin: 'ContainersCommand'});"/>
+    <command id="Browser:OpenAboutContainers" oncommand="openPreferences('paneContainers');"/>
 
     <command id="Tools:Search" oncommand="BrowserSearch.webSearch();"/>
     <command id="Tools:Downloads" oncommand="BrowserDownloadsUI();"/>
diff --git a/browser/base/content/browser-sync.js b/browser/base/content/browser-sync.js
index f0bbfa799134..2c50c99f8529 100644
--- a/browser/base/content/browser-sync.js
+++ b/browser/base/content/browser-sync.js
@@ -241,17 +241,17 @@ var gSync = {
   onMenuPanelCommand() {
     switch (this.panelUIFooter.getAttribute("fxastatus")) {
     case "signedin":
-      this.openPrefs("menupanel", "fxaSignedin");
+      this.openPrefs("menupanel");
       break;
     case "error":
       if (this.panelUIFooter.getAttribute("fxastatus") == "unverified") {
-        this.openPrefs("menupanel", "fxaError");
+        this.openPrefs("menupanel");
       } else {
         this.openSignInAgainPage("menupanel");
       }
       break;
     default:
-      this.openPrefs("menupanel", "fxa");
+      this.openPrefs("menupanel");
       break;
     }
 
@@ -439,8 +439,8 @@ var gSync = {
     Services.obs.notifyObservers(null, "cloudsync:user-sync");
   },
 
-  openPrefs(entryPoint = "syncbutton", origin = undefined) {
-    window.openPreferences("paneSync", { origin, urlParams: { entrypoint: entryPoint } });
+  openPrefs(entryPoint = "syncbutton") {
+    window.openPreferences("paneSync", { urlParams: { entrypoint: entryPoint } });
   },
 
   openSyncedTabsPanel() {
diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 9e2829e9b6ca..ab5596e757fd 100755
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -527,9 +527,9 @@ const gStoragePressureObserver = {
           // be removed by bug 1349689.
           let win = gBrowser.ownerGlobal;
           if (Preferences.get("browser.preferences.useOldOrganization", false)) {
-            win.openAdvancedPreferences("networkTab", {origin: "storagePressure"});
+            win.openAdvancedPreferences("networkTab");
           } else {
-            win.openPreferences("panePrivacy", {origin: "storagePressure"});
+            win.openPreferences("panePrivacy");
           }
         }
       });
@@ -6371,9 +6371,9 @@ var OfflineApps = {
     // The advanced subpanes are only supported in the old organization, which will
     // be removed by bug 1349689.
     if (Preferences.get("browser.preferences.useOldOrganization", false)) {
-      openAdvancedPreferences("networkTab", {origin: "offlineApps"});
+      openAdvancedPreferences("networkTab");
     } else {
-      openPreferences("panePrivacy", {origin: "offlineApps"});
+      openPreferences("panePrivacy");
     }
   },
 
diff --git a/browser/base/content/utilityOverlay.js b/browser/base/content/utilityOverlay.js
index a05ebbf32b9b..4e014bb71557 100644
--- a/browser/base/content/utilityOverlay.js
+++ b/browser/base/content/utilityOverlay.js
@@ -715,12 +715,6 @@ function openAboutDialog() {
 }
 
 function openPreferences(paneID, extraArgs) {
-  let histogram = Services.telemetry.getHistogramById("FX_PREFERENCES_OPENED_VIA");
-  if (extraArgs && extraArgs.origin) {
-    histogram.add(extraArgs.origin);
-  } else {
-    histogram.add("other");
-  }
   function switchToAdvancedSubPane(doc) {
     if (extraArgs && extraArgs["advancedTab"]) {
       let advancedPaneTabs = doc.getElementById("advancedPrefs");
@@ -786,8 +780,8 @@ function openPreferences(paneID, extraArgs) {
   }
 }
 
-function openAdvancedPreferences(tabID, origin) {
-  openPreferences("paneAdvanced", { "advancedTab": tabID, origin });
+function openAdvancedPreferences(tabID) {
+  openPreferences("paneAdvanced", { "advancedTab": tabID });
 }
 
 /**
diff --git a/browser/components/customizableui/CustomizableWidgets.jsm b/browser/components/customizableui/CustomizableWidgets.jsm
index 471ed9a93392..a8e0ed1919a5 100644
--- a/browser/components/customizableui/CustomizableWidgets.jsm
+++ b/browser/components/customizableui/CustomizableWidgets.jsm
@@ -1153,7 +1153,7 @@ let preferencesButton = {
   defaultArea: CustomizableUI.AREA_PANEL,
   onCommand(aEvent) {
     let win = aEvent.target.ownerGlobal;
-    win.openPreferences(undefined, {origin: "preferencesButton"});
+    win.openPreferences();
   }
 };
 if (AppConstants.platform == "win") {
diff --git a/browser/components/newtab/NewTabSearchProvider.jsm b/browser/components/newtab/NewTabSearchProvider.jsm
index 1fa4f253498e..0a5eb1c6257b 100644
--- a/browser/components/newtab/NewTabSearchProvider.jsm
+++ b/browser/components/newtab/NewTabSearchProvider.jsm
@@ -72,7 +72,7 @@ SearchProvider.prototype = {
 
   manageEngines(browser) {
     const browserWin = browser.ownerGlobal;
-    browserWin.openPreferences("paneGeneral", { origin: "contentSearch" });
+    browserWin.openPreferences("paneGeneral");
   },
 
   asyncGetState: Task.async(function*() {
diff --git a/browser/components/nsBrowserContentHandler.js b/browser/components/nsBrowserContentHandler.js
index 408f6bc3909f..a72b63635956 100644
--- a/browser/components/nsBrowserContentHandler.js
+++ b/browser/components/nsBrowserContentHandler.js
@@ -215,12 +215,7 @@ function openWindow(parent, url, target, features, args, noExternalArgs) {
   return Services.ww.openWindow(parent, url, target, features, argArray);
 }
 
-function openPreferences(extraArgs) {
-  if (extraArgs && extraArgs.origin) {
-    Services.telemetry.getHistogramById("FX_PREFERENCES_OPENED_VIA").add(extraArgs.origin);
-  } else {
-    Services.telemetry.getHistogramById("FX_PREFERENCES_OPENED_VIA").add("other");
-  }
+function openPreferences() {
   var args = Components.classes["@mozilla.org/array;1"]
                      .createInstance(Components.interfaces.nsIMutableArray);
 
@@ -356,7 +351,7 @@ nsBrowserContentHandler.prototype = {
       // Handle old preference dialog URLs.
       if (chromeParam == "chrome://browser/content/pref/pref.xul" ||
           chromeParam == "chrome://browser/content/preferences/preferences.xul") {
-        openPreferences({origin: "commandLineLegacy"});
+        openPreferences();
         cmdLine.preventDefault = true;
       } else try {
         let resolvedURI = resolveURIInternal(cmdLine, chromeParam);
@@ -381,7 +376,7 @@ nsBrowserContentHandler.prototype = {
       }
     }
     if (cmdLine.handleFlag("preferences", false)) {
-      openPreferences({origin: "commandLineLegacy"});
+      openPreferences();
       cmdLine.preventDefault = true;
     }
     if (cmdLine.handleFlag("silent", false))
diff --git a/browser/components/nsBrowserGlue.js b/browser/components/nsBrowserGlue.js
index fd9c0b652033..c98649d6d27d 100644
--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -303,7 +303,7 @@ BrowserGlue.prototype = {
   observe: function BG_observe(subject, topic, data) {
     switch (topic) {
       case "notifications-open-settings":
-        this._openPreferences("privacy", { origin: "notifOpenSettings" });
+        this._openPreferences("privacy");
         break;
       case "prefservice:after-app-defaults":
         this._onAppDefaults();
@@ -1661,7 +1661,7 @@ BrowserGlue.prototype = {
     let clickCallback = (subject, topic, data) => {
       if (topic != "alertclickcallback")
         return;
-      this._openPreferences("sync", { origin: "doorhanger" });
+      this._openPreferences("sync");
     }
     AlertsService.showAlertNotification(null, title, body, true, null, clickCallback);
   },
@@ -2244,7 +2244,7 @@ BrowserGlue.prototype = {
     let clickCallback = (subject, topic, data) => {
       if (topic != "alertclickcallback")
         return;
-      this._openPreferences("sync", { origin: "devDisconnectedAlert"});
+      this._openPreferences("sync");
     }
     AlertsService.showAlertNotification(null, title, body, true, null, clickCallback);
   },
diff --git a/browser/components/search/content/search.xml b/browser/components/search/content/search.xml
index c236796c53eb..419a7810c9d2 100644
--- a/browser/components/search/content/search.xml
+++ b/browser/components/search/content/search.xml
@@ -1460,7 +1460,7 @@
       <method name="showSettings">
         <body><![CDATA[
           BrowserUITelemetry.countSearchSettingsEvent(this.telemetryOrigin);
-          openPreferences("general-search", {origin: "contentSearch"});
+          openPreferences("general-search");
           // If the preference tab was already selected, the panel doesn't
           // close itself automatically.
           this.popup.hidePopup();
diff --git a/browser/components/translation/translation-infobar.xml b/browser/components/translation/translation-infobar.xml
index 391bee36b783..ebf2df09b121 100644
--- a/browser/components/translation/translation-infobar.xml
+++ b/browser/components/translation/translation-infobar.xml
@@ -126,7 +126,7 @@
                             label="&translation.options.neverForSite.label;"
                             accesskey="&translation.options.neverForSite.accesskey;"/>
               <xul:menuseparator/>
-              <xul:menuitem oncommand="openPreferences('paneGeneral', {origin:'translationInfobar'});"
+              <xul:menuitem oncommand="openPreferences('paneGeneral');"
                             label="&translation.options.preferences.label;"
                             accesskey="&translation.options.preferences.accesskey;"/>
               <xul:menuitem class="subviewbutton panel-subview-footer"
diff --git a/browser/components/uitour/UITour.jsm b/browser/components/uitour/UITour.jsm
index 24b2fa001021..05be5ad95d19 100644
--- a/browser/components/uitour/UITour.jsm
+++ b/browser/components/uitour/UITour.jsm
@@ -537,7 +537,7 @@ this.UITour = {
           return false;
         }
 
-        window.openPreferences(data.pane, { origin: "UITour" });
+        window.openPreferences(data.pane);
         break;
       }
 
diff --git a/browser/modules/AboutHome.jsm b/browser/modules/AboutHome.jsm
index e5c637ea2154..f500697976bf 100644
--- a/browser/modules/AboutHome.jsm
+++ b/browser/modules/AboutHome.jsm
@@ -138,11 +138,11 @@ var AboutHome = {
         break;
 
       case "AboutHome:Sync":
-        window.openPreferences("paneSync", { urlParams: { entrypoint: "abouthome" }, origin: "aboutHome"  });
+        window.openPreferences("paneSync", { urlParams: { entrypoint: "abouthome" } });
         break;
 
       case "AboutHome:Settings":
-        window.openPreferences(undefined, {origin: "aboutHome"} );
+        window.openPreferences();
         break;
 
       case "AboutHome:RequestUpdate":
diff --git a/browser/modules/ContentSearch.jsm b/browser/modules/ContentSearch.jsm
index c4bcffa215d8..85985445cc46 100644
--- a/browser/modules/ContentSearch.jsm
+++ b/browser/modules/ContentSearch.jsm
@@ -415,7 +415,7 @@ this.ContentSearch = {
 
   _onMessageManageEngines(msg, data) {
     let browserWin = msg.target.ownerGlobal;
-    browserWin.openPreferences("paneGeneral", {origin: "contentSearch"});
+    browserWin.openPreferences("paneGeneral");
   },
 
   _onMessageGetSuggestions: Task.async(function* (msg, data) {
diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json
index 2416e14ec23e..231c1470aeb7 100644
--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -6391,15 +6391,6 @@
     "releaseChannelCollection": "opt-out",
     "description": "Count how often each preference category is opened."
   },
-  "FX_PREFERENCES_OPENED_VIA": {
-    "bug_numbers": [1330315],
-    "alert_emails": ["jaws@mozilla.com"],
-    "expires_in_version": "59",
-    "kind": "categorical",
-    "labels": ["aboutHome", "aboutTelemetry", "browserMedia", "commandLine", "commandLineLegacy", "ContainersCommand", "contentSearch", "dataReporting", "doorhanger", "devDisconnectedAlert", "experimentsOpenPref", "fxa", "fxaSignedin", "fxaError", "offlineApps", "prefserviceDefaults", "preferencesButton", "paneSync", "storagePressure", "translationInfobar", "UITour", "menubar", "notifOpenSettings", "other"],
-    "releaseChannelCollection": "opt-out",
-    "description":"Count how the Preferences are opened."
-  },
   "INPUT_EVENT_RESPONSE_MS": {
     "record_in_processes": ["main", "content"],
     "alert_emails": ["perf-telemetry-alerts@mozilla.com"],
diff --git a/toolkit/content/aboutTelemetry.js b/toolkit/content/aboutTelemetry.js
index 876cb95b9726..497c32bdf4ba 100644
--- a/toolkit/content/aboutTelemetry.js
+++ b/toolkit/content/aboutTelemetry.js
@@ -245,9 +245,9 @@ var Settings = {
           // The advanced subpanes are only supported in the old organization, which will
           // be removed by bug 1349689.
           if (Preferences.get("browser.preferences.useOldOrganization", false)) {
-            mainWindow.openAdvancedPreferences("dataChoicesTab", {origin: "aboutTelemetry"});
+            mainWindow.openAdvancedPreferences("dataChoicesTab");
           } else {
-            mainWindow.openPreferences("paneAdvanced", {origin: "aboutTelemetry"});
+            mainWindow.openPreferences("paneAdvanced");
           }
         }
       });
diff --git a/toolkit/mozapps/extensions/content/extensions.js b/toolkit/mozapps/extensions/content/extensions.js
index 7c190bcd4bb6..312316a5b1fd 100644
--- a/toolkit/mozapps/extensions/content/extensions.js
+++ b/toolkit/mozapps/extensions/content/extensions.js
@@ -1553,9 +1553,9 @@ var gViewController = {
         // The advanced subpanes are only supported in the old organization, which will
         // be removed by bug 1349689.
         if (Preferences.get("browser.preferences.useOldOrganization", false)) {
-          mainWindow.openAdvancedPreferences("dataChoicesTab", {origin: "experimentsOpenPref"});
+          mainWindow.openAdvancedPreferences("dataChoicesTab");
         } else {
-          mainWindow.openPreferences("paneAdvanced", {origin: "experimentsOpenPref"});
+          mainWindow.openPreferences("paneAdvanced");
         }
       },
     },