diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index cd90a42eabcd..e2e6a4321dfb 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1653,10 +1653,6 @@ pref("browser.contentblocking.report.tracker.url", "https://support.mozilla.org/
 pref("browser.contentblocking.report.fingerprinter.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/fingerprinters-report");
 pref("browser.contentblocking.report.cryptominer.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/cryptominers-report");
 
-pref("browser.contentblocking.cfr-milestone.enabled", true);
-pref("browser.contentblocking.cfr-milestone.milestone-achieved", 0);
-pref("browser.contentblocking.cfr-milestone.milestones", "[1000, 5000, 10000, 25000, 50000, 100000, 500000]");
-
 // Enables the new Protections Panel.
 #ifdef NIGHTLY_BUILD
   pref("browser.protections_panel.enabled", true);
diff --git a/browser/components/newtab/common/Actions.jsm b/browser/components/newtab/common/Actions.jsm
index 3bfe637a4e2c..0c2185da4e06 100644
--- a/browser/components/newtab/common/Actions.jsm
+++ b/browser/components/newtab/common/Actions.jsm
@@ -166,7 +166,6 @@ for (const type of [
   "PIN_CURRENT_TAB",
   "ENABLE_FIREFOX_MONITOR",
   "OPEN_PROTECTION_PANEL",
-  "OPEN_PROTECTION_REPORT",
 ]) {
   ASRouterActions[type] = type;
 }
diff --git a/browser/components/newtab/content-src/asrouter/templates/CFR/templates/ExtensionDoorhanger.schema.json b/browser/components/newtab/content-src/asrouter/templates/CFR/templates/ExtensionDoorhanger.schema.json
index 93ede14c77d0..3deff64c0172 100644
--- a/browser/components/newtab/content-src/asrouter/templates/CFR/templates/ExtensionDoorhanger.schema.json
+++ b/browser/components/newtab/content-src/asrouter/templates/CFR/templates/ExtensionDoorhanger.schema.json
@@ -26,7 +26,7 @@
     "layout": {
       "type": "string",
       "description": "Attribute used for different groups of messages from the same provider",
-      "enum": ["short_message", "message_and_animation", "icon_and_message", "addon_recommendation"]
+      "enum": ["message_and_animation", "icon_and_message", "addon_recommendation"]
     },
     "anchor_id": {
       "type": "string",
diff --git a/browser/components/newtab/lib/ASRouter.jsm b/browser/components/newtab/lib/ASRouter.jsm
index d482e7d058f2..1070db336a64 100644
--- a/browser/components/newtab/lib/ASRouter.jsm
+++ b/browser/components/newtab/lib/ASRouter.jsm
@@ -1438,9 +1438,6 @@ class _ASRouter {
       case "update_action":
         ToolbarBadgeHub.registerBadgeNotificationListener(message, { force });
         break;
-      case "milestone_message":
-        CFRPageActions.showMilestone(target, message, this.dispatch, { force });
-        break;
       default:
         try {
           target.sendAsyncMessage(OUTGOING_MESSAGE_NAME, {
@@ -1940,9 +1937,6 @@ class _ASRouter {
         let { gProtectionsHandler } = target.browser.ownerGlobal;
         gProtectionsHandler.showProtectionsPopup({});
         break;
-      case ra.OPEN_PROTECTION_REPORT:
-        target.browser.ownerGlobal.gProtectionsHandler.openProtections();
-        break;
     }
   }
 
diff --git a/browser/components/newtab/lib/ASRouterTriggerListeners.jsm b/browser/components/newtab/lib/ASRouterTriggerListeners.jsm
index ef7082ea0066..182574abf82b 100644
--- a/browser/components/newtab/lib/ASRouterTriggerListeners.jsm
+++ b/browser/components/newtab/lib/ASRouterTriggerListeners.jsm
@@ -467,10 +467,6 @@ this.ASRouterTriggerListeners = new Map([
 
         if (!this._initialized) {
           Services.obs.addObserver(this, "SiteProtection:ContentBlockingEvent");
-          Services.obs.addObserver(
-            this,
-            "SiteProtection:ContentBlockingMilestone"
-          );
           this.onLocationChange = this._onLocationChange.bind(this);
           EveryWindow.registerCallback(
             this.id,
@@ -485,10 +481,6 @@ this.ASRouterTriggerListeners = new Map([
               }
             }
           );
-          Services.obs.removeObserver(
-            this,
-            "SiteProtection:ContentBlockingMilestone"
-          );
 
           this._initialized = true;
         }
@@ -527,23 +519,6 @@ this.ASRouterTriggerListeners = new Map([
               });
             }
             break;
-          case "SiteProtection:ContentBlockingMilestone":
-            if (this._events.includes(aSubject.wrappedJSObject.event)) {
-              this._triggerHandler(
-                Services.wm.getMostRecentBrowserWindow().gBrowser
-                  .selectedBrowser,
-                {
-                  id: "trackingProtection",
-                  context: {
-                    pageLoad: this._sessionPageLoad,
-                  },
-                  param: {
-                    type: aSubject.wrappedJSObject.event,
-                  },
-                }
-              );
-            }
-            break;
         }
       },
 
diff --git a/browser/components/newtab/lib/CFRMessageProvider.jsm b/browser/components/newtab/lib/CFRMessageProvider.jsm
index f5c0856c71a5..f1296ec86564 100644
--- a/browser/components/newtab/lib/CFRMessageProvider.jsm
+++ b/browser/components/newtab/lib/CFRMessageProvider.jsm
@@ -743,33 +743,6 @@ const CFR_MESSAGES = [
       params: [Ci.nsIWebProgressListener.STATE_BLOCKED_CRYPTOMINING_CONTENT],
     },
   },
-  {
-    id: "MILESTONE_MESSAGE",
-    template: "milestone_message",
-    content: {
-      layout: "short_message",
-      category: "cfrFeatures",
-      anchor_id: "tracking-protection-icon-box",
-      skip_address_bar_notifier: true,
-      bucket_id: "CFR_MILESTONE_MESSAGE",
-      heading_text: { string_id: "cfr-doorhanger-milestone-heading" },
-      buttons: {
-        primary: {
-          label: { string_id: "cfr-doorhanger-milestone-ok-button" },
-          action: { type: "OPEN_PROTECTION_REPORT" },
-          event: "PROTECTION",
-        },
-      },
-    },
-    targeting: "pageLoad >= 4",
-    frequency: {
-      lifetime: 7, // Length of privacy.trackingprotection.cfr-milestone.milestones pref
-    },
-    trigger: {
-      id: "trackingProtection",
-      params: ["ContentBlockingMilestone"],
-    },
-  },
 ];
 
 const CFRMessageProvider = {
diff --git a/browser/components/newtab/lib/CFRPageActions.jsm b/browser/components/newtab/lib/CFRPageActions.jsm
index 96a9e6bba22b..762435bc5c08 100644
--- a/browser/components/newtab/lib/CFRPageActions.jsm
+++ b/browser/components/newtab/lib/CFRPageActions.jsm
@@ -25,12 +25,6 @@ ChromeUtils.defineModuleGetter(
   "resource://gre/modules/L10nRegistry.jsm"
 );
 ChromeUtils.defineModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
-XPCOMUtils.defineLazyServiceGetter(
-  this,
-  "TrackingDBService",
-  "@mozilla.org/tracking-db-service;1",
-  "nsITrackingDBService"
-);
 
 const POPUP_NOTIFICATION_ID = "contextual-feature-recommendation";
 const ANIMATION_BUTTON_ID = "cfr-notification-footer-animation-button";
@@ -527,104 +521,6 @@ class PageAction {
     }
   }
 
-  async _renderMilestonePopup(message, browser, cfrMilestonePref) {
-    let { content } = message;
-    let { primary } = content.buttons;
-
-    let dateFormat = new Services.intl.DateTimeFormat(
-      this.window.gBrowser.ownerGlobal.navigator.language,
-      {
-        month: "long",
-        year: "numeric",
-      }
-    ).format;
-
-    let earliestDate = await TrackingDBService.getEarliestRecordedDate();
-    let monthName = dateFormat(new Date(earliestDate));
-    let panelTitle = "";
-    let headerLabel = this.window.document.getElementById(
-      "cfr-notification-header-label"
-    );
-    if (typeof message.content.heading_text === "string") {
-      // This is a test environment.
-      panelTitle = message.content.heading_text;
-      headerLabel.value = panelTitle;
-    } else {
-      this._l10n.setAttributes(headerLabel, content.heading_text.string_id, {
-        blockedCount: cfrMilestonePref,
-        date: monthName,
-      });
-      await this._l10n.translateElements([headerLabel]);
-    }
-
-    // Use the message layout as a CSS selector to hide different parts of the
-    // notification template markup
-    this.window.document
-      .getElementById("contextual-feature-recommendation-notification")
-      .setAttribute("data-notification-category", content.layout);
-    this.window.document
-      .getElementById("contextual-feature-recommendation-notification")
-      .setAttribute("data-notification-bucket", content.bucket_id);
-    let notification = this.window.document.getElementById(
-      "notification-popup"
-    );
-
-    let primaryBtnString = await this.getStrings(primary.label);
-    let primaryActionCallback = () => {
-      this.dispatchUserAction(primary.action);
-      RecommendationMap.delete(browser);
-
-      // Invalidate the pref after the user interacts with the button.
-      // We don't need to show the illustration in the privacy panel.
-      Services.prefs.clearUserPref(
-        "browser.contentblocking.cfr-milestone.milestone-shown-time"
-      );
-    };
-    let mainAction = {
-      label: primaryBtnString,
-      accessKey: primaryBtnString.attributes.accesskey,
-      callback: primaryActionCallback,
-    };
-
-    let style = this.window.document.createElement("style");
-    style.textContent = `
-      .cfr-notification-milestone .panel-arrow {
-        fill: #0250BB !important;
-      }
-    `;
-
-    let arrow;
-    let manageClass = event => {
-      if (event === "dismissed" || event === "removed") {
-        notification.shadowRoot.removeChild(style);
-        arrow.classList.remove("cfr-notification-milestone");
-      } else if (event === "showing") {
-        notification.shadowRoot.appendChild(style);
-        arrow = notification.shadowRoot.querySelector(".panel-arrowcontainer");
-        arrow.classList.add("cfr-notification-milestone");
-      }
-    };
-
-    // Actually show the notification
-    this.currentNotification = this.window.PopupNotifications.show(
-      browser,
-      POPUP_NOTIFICATION_ID,
-      panelTitle,
-      "cfr",
-      mainAction,
-      null,
-      {
-        hideClose: true,
-        eventCallback: manageClass,
-      }
-    );
-
-    Services.prefs.setStringPref(
-      "browser.contentblocking.cfr-milestone.milestone-shown-time",
-      Date.now().toString()
-    );
-  }
-
   // eslint-disable-next-line max-statements
   async _renderPopup(message, browser) {
     const { id, content } = message;
@@ -891,20 +787,6 @@ class PageAction {
     });
     await this._renderPopup(message, browser);
   }
-
-  async showMilestonePopup(cfrMilestonePref) {
-    const browser = this.window.gBrowser.selectedBrowser;
-    const message = RecommendationMap.get(browser);
-    const { content } = message;
-
-    // A hacky way of setting the popup anchor outside the usual url bar icon box
-    // See https://searchfox.org/mozilla-central/rev/847b64cc28b74b44c379f9bff4f415b97da1c6d7/toolkit/modules/PopupNotifications.jsm#42
-    browser.cfrpopupnotificationanchor =
-      this.window.document.getElementById(content.anchor_id) || this.container;
-
-    await this._renderMilestonePopup(message, browser, cfrMilestonePref);
-    return true;
-  }
 }
 
 function isHostMatch(browser, host) {
@@ -981,47 +863,6 @@ const CFRPageActions = {
     return url;
   },
 
-  /**
-   * Show Milestone notification.
-   * @param browser                 The browser for the recommendation
-   * @param recommendation          The recommendation to show
-   * @param dispatchToASRouter      A function to dispatch resulting actions to
-   * @return                        Did adding the recommendation succeed?
-   */
-  async showMilestone(browser, message, dispatchToASRouter, options = {}) {
-    let win = null;
-    const { id, content } = message;
-    let cfrMilestonePref = Services.prefs.getIntPref(
-      "browser.contentblocking.cfr-milestone.milestone-achieved",
-      0
-    );
-
-    // If we are forcing via the Admin page, the browser comes in a different format
-    if (options.force) {
-      win = browser.browser.ownerGlobal;
-      RecommendationMap.set(browser.browser, { id, retain: true, content });
-    } else {
-      win = browser.ownerGlobal;
-      RecommendationMap.set(browser, { id, retain: true, content });
-      if (!cfrMilestonePref) {
-        return false;
-      }
-    }
-
-    if (!PageActionMap.has(win)) {
-      PageActionMap.set(win, new PageAction(win, dispatchToASRouter));
-    }
-
-    let successfullyShown = await PageActionMap.get(win).showMilestonePopup(
-      cfrMilestonePref
-    );
-    if (successfullyShown) {
-      PageActionMap.get(win).addImpression(message);
-    }
-
-    return successfullyShown;
-  },
-
   /**
    * Force a recommendation to be shown. Should only happen via the Admin page.
    * @param browser                 The browser for the recommendation
diff --git a/browser/components/newtab/locales-src/asrouter.ftl b/browser/components/newtab/locales-src/asrouter.ftl
index f46c887d23ec..1ddb6e431a25 100644
--- a/browser/components/newtab/locales-src/asrouter.ftl
+++ b/browser/components/newtab/locales-src/asrouter.ftl
@@ -173,15 +173,3 @@ cfr-doorhanger-fingerprinters-heading = { -brand-short-name } blocked a fingerpr
 cfr-doorhanger-fingerprinters-description = Your privacy matters. { -brand-short-name } now blocks fingerprinters, which collect pieces of uniquely identifiable information about your device to track you.
 cfr-doorhanger-cryptominers-heading = { -brand-short-name } blocked a cryptominer on this page
 cfr-doorhanger-cryptominers-description = Your privacy matters. { -brand-short-name } now blocks cryptominers, which use your system’s computing power to mine digital money.
-
-## Enhanced Tracking Protection Milestones
-
-# Variables:
-#   $blockedCount (Number) - The total count of blocked trackers. This number will always be greater than 1.
-#   $date (String) - The date we began recording the count of blocked trackers
-cfr-doorhanger-milestone-heading =
-  { $blockedCount ->
-   *[other] { -brand-short-name } blocked over <b>{ $blockedCount }</b> trackers since { $date }!
-  }
-cfr-doorhanger-milestone-ok-button = See All
-  .accesskey = S
diff --git a/browser/components/newtab/test/browser/browser_asrouter_cfr.js b/browser/components/newtab/test/browser/browser_asrouter_cfr.js
index 2414ae4e74a5..0c98646d0687 100644
--- a/browser/components/newtab/test/browser/browser_asrouter_cfr.js
+++ b/browser/components/newtab/test/browser/browser_asrouter_cfr.js
@@ -14,9 +14,7 @@ const createDummyRecommendation = ({
   heading_text,
   layout,
   skip_address_bar_notifier,
-  template,
 }) => ({
-  template,
   content: {
     layout: layout || "addon_recommendation",
     category,
@@ -128,14 +126,6 @@ function checkCFRSocialTrackingProtection(notification) {
   );
 }
 
-function checkCFRTrackingProtectionMilestone(notification) {
-  Assert.ok(notification.hidden === false, "Panel should be visible");
-  Assert.ok(
-    notification.getAttribute("data-notification-category") === "short_message",
-    "Panel have correct data attribute"
-  );
-}
-
 function clearNotifications() {
   for (let notification of PopupNotifications._currentNotifications) {
     notification.remove();
@@ -159,7 +149,6 @@ function trigger_cfr_panel(
     layout,
     skip_address_bar_notifier = false,
     use_single_secondary_button = false,
-    template = "cfr_doorhanger",
   } = {}
 ) {
   // a fake action type will result in the action being ignored
@@ -169,7 +158,6 @@ function trigger_cfr_panel(
     heading_text,
     layout,
     skip_address_bar_notifier,
-    template,
   });
   if (category !== "cfrAddons") {
     delete recommendation.content.addon;
@@ -181,14 +169,7 @@ function trigger_cfr_panel(
   }
 
   clearNotifications();
-  if (recommendation.template === "milestone_message") {
-    return CFRPageActions.showMilestone(
-      browser,
-      recommendation,
-      // Use the real AS dispatch method to trigger real notifications
-      ASRouter.dispatch
-    );
-  }
+
   return CFRPageActions.addRecommendation(
     browser,
     trigger,
@@ -495,62 +476,6 @@ add_task(
   }
 );
 
-add_task(
-  async function test_cfr_tracking_protection_milestone_notification_show() {
-    await SpecialPowers.pushPrefEnv({
-      set: [
-        ["browser.contentblocking.cfr-milestone.milestone-achieved", 1000],
-        [
-          "browser.newtabpage.activity-stream.asrouter.providers.cfr",
-          `{"id":"cfr","enabled":true,"type":"local","localProvider":"CFRMessageProvider","frequency":{"custom":[{"period":"daily","cap":10}]},"categories":["cfrAddons","cfrFeatures"],"updateCycleInMs":3600000}`,
-        ],
-      ],
-    });
-
-    // addRecommendation checks that scheme starts with http and host matches
-    let browser = gBrowser.selectedBrowser;
-    await BrowserTestUtils.loadURI(browser, "http://example.com/");
-    await BrowserTestUtils.browserLoaded(browser, false, "http://example.com/");
-
-    const showPanel = BrowserTestUtils.waitForEvent(
-      PopupNotifications.panel,
-      "popupshown"
-    );
-
-    const response = await trigger_cfr_panel(browser, "example.com", {
-      action: { type: "OPEN_PROTECTION_REPORT" },
-      category: "cfrFeatures",
-      layout: "short_message",
-      skip_address_bar_notifier: true,
-      heading_text: "Test Milestone Message",
-      template: "milestone_message",
-    });
-    Assert.ok(
-      response,
-      "Should return true if addRecommendation checks were successful"
-    );
-    await showPanel;
-
-    const notification = document.getElementById(
-      "contextual-feature-recommendation-notification"
-    );
-    // checkCFRSocialTrackingProtection(notification);
-    checkCFRTrackingProtectionMilestone(notification);
-
-    // Check there is a primary button and click it. It will trigger the callback.
-    Assert.ok(notification.button);
-    let hidePanel = BrowserTestUtils.waitForEvent(
-      PopupNotifications.panel,
-      "popuphidden"
-    );
-    document
-      .getElementById("contextual-feature-recommendation-notification")
-      .button.click();
-    await BrowserTestUtils.removeTab(gBrowser.selectedTab);
-    await hidePanel;
-  }
-);
-
 add_task(async function test_cfr_features_and_addon_show() {
   // addRecommendation checks that scheme starts with http and host matches
   let browser = gBrowser.selectedBrowser;
diff --git a/browser/components/newtab/test/browser/browser_asrouter_trigger_listeners.js b/browser/components/newtab/test/browser/browser_asrouter_trigger_listeners.js
index d8d7f7265677..dbf8b75c7938 100644
--- a/browser/components/newtab/test/browser/browser_asrouter_trigger_listeners.js
+++ b/browser/components/newtab/test/browser/browser_asrouter_trigger_listeners.js
@@ -270,86 +270,3 @@ add_task(async function check_trackingProtection_listener() {
     }
   );
 });
-
-add_task(async function check_trackingProtectionMilestone_listener() {
-  const TEST_URL =
-    "https://example.com/browser/browser/components/newtab/test/browser/red_page.html";
-
-  let observerEvent = 0;
-  const triggerHandler = (target, trigger) => {
-    const {
-      id,
-      param: { type },
-    } = trigger;
-    is(id, "trackingProtection", "should match event name");
-    is(type, "ContentBlockingMilestone", "Should be the correct event type");
-    observerEvent += 1;
-  };
-  const trackingProtectionListener = ASRouterTriggerListeners.get(
-    "trackingProtection"
-  );
-
-  // Previously initialized by the Router
-  trackingProtectionListener.uninit();
-
-  // Initialise listener
-  trackingProtectionListener.init(triggerHandler, ["ContentBlockingMilestone"]);
-
-  await BrowserTestUtils.withNewTab(
-    TEST_URL,
-    async function triggerTrackingProtection(browser) {
-      Services.obs.notifyObservers(
-        {
-          wrappedJSObject: {
-            browser,
-            event: "Other Event",
-          },
-        },
-        "SiteProtection:ContentBlockingMilestone"
-      );
-    }
-  );
-
-  is(observerEvent, 0, "shouldn't receive unrelated observer notification");
-
-  await BrowserTestUtils.withNewTab(
-    TEST_URL,
-    async function triggerTrackingProtection(browser) {
-      Services.obs.notifyObservers(
-        {
-          wrappedJSObject: {
-            browser,
-            event: "ContentBlockingMilestone",
-          },
-        },
-        "SiteProtection:ContentBlockingMilestone"
-      );
-
-      await BrowserTestUtils.waitForCondition(
-        () => observerEvent !== 0,
-        "Wait for the observer notification to run"
-      );
-      is(observerEvent, 1, "should receive observer notification");
-    }
-  );
-
-  // Uninitialise listener
-  trackingProtectionListener.uninit();
-
-  await BrowserTestUtils.withNewTab(
-    TEST_URL,
-    async function triggerTrackingProtectionAfterUninit(browser) {
-      Services.obs.notifyObservers(
-        {
-          wrappedJSObject: {
-            browser,
-            event: "ContentBlockingMilestone",
-          },
-        },
-        "SiteProtection:ContentBlockingMilestone"
-      );
-      await new Promise(resolve => executeSoon(resolve));
-      is(observerEvent, 1, "shouldn't receive obs. notification after uninit");
-    }
-  );
-});
diff --git a/browser/components/newtab/test/unit/asrouter/ASRouter.test.js b/browser/components/newtab/test/unit/asrouter/ASRouter.test.js
index 704fb16f2854..3e492b7e6f83 100644
--- a/browser/components/newtab/test/unit/asrouter/ASRouter.test.js
+++ b/browser/components/newtab/test/unit/asrouter/ASRouter.test.js
@@ -2118,18 +2118,6 @@ describe("ASRouter", () => {
       });
     });
 
-    describe("#onMessage: OPEN_PROTECTION_REPORT", () => {
-      it("should open protection report", async () => {
-        const msg = fakeExecuteUserAction({ type: "OPEN_PROTECTION_REPORT" });
-        let { gProtectionsHandler } = msg.target.browser.ownerGlobal;
-
-        await Router.onMessage(msg);
-
-        assert.calledOnce(gProtectionsHandler.openProtections);
-        assert.calledWithExactly(gProtectionsHandler.openProtections, {});
-      });
-    });
-
     describe("#dispatch(action, target)", () => {
       it("should an action and target to onMessage", async () => {
         // use the IMPRESSION action to make sure actions are actually getting processed
diff --git a/browser/components/newtab/test/unit/asrouter/CFRMessageProvider.test.js b/browser/components/newtab/test/unit/asrouter/CFRMessageProvider.test.js
index eb2af68d6daf..41980ed40eb0 100644
--- a/browser/components/newtab/test/unit/asrouter/CFRMessageProvider.test.js
+++ b/browser/components/newtab/test/unit/asrouter/CFRMessageProvider.test.js
@@ -11,8 +11,8 @@ const REGULAR_IDS = [
 ];
 
 describe("CFRMessageProvider", () => {
-  it("should have a total of 9 messages", () => {
-    assert.lengthOf(messages, 9);
+  it("should have a total of 8 messages", () => {
+    assert.lengthOf(messages, 8);
   });
   it("should have one message each for the three regular addons", () => {
     for (const id of REGULAR_IDS) {
diff --git a/browser/components/newtab/test/unit/asrouter/constants.js b/browser/components/newtab/test/unit/asrouter/constants.js
index bf644f6322ab..006b2a18cb54 100644
--- a/browser/components/newtab/test/unit/asrouter/constants.js
+++ b/browser/components/newtab/test/unit/asrouter/constants.js
@@ -151,7 +151,6 @@ export class FakeRemotePageManager {
         },
         gProtectionsHandler: {
           showProtectionsPopup: sinon.stub(),
-          openProtections: sinon.stub(),
         },
       },
     };
diff --git a/browser/locales/en-US/browser/newtab/asrouter.ftl b/browser/locales/en-US/browser/newtab/asrouter.ftl
index f46c887d23ec..1ddb6e431a25 100644
--- a/browser/locales/en-US/browser/newtab/asrouter.ftl
+++ b/browser/locales/en-US/browser/newtab/asrouter.ftl
@@ -173,15 +173,3 @@ cfr-doorhanger-fingerprinters-heading = { -brand-short-name } blocked a fingerpr
 cfr-doorhanger-fingerprinters-description = Your privacy matters. { -brand-short-name } now blocks fingerprinters, which collect pieces of uniquely identifiable information about your device to track you.
 cfr-doorhanger-cryptominers-heading = { -brand-short-name } blocked a cryptominer on this page
 cfr-doorhanger-cryptominers-description = Your privacy matters. { -brand-short-name } now blocks cryptominers, which use your system’s computing power to mine digital money.
-
-## Enhanced Tracking Protection Milestones
-
-# Variables:
-#   $blockedCount (Number) - The total count of blocked trackers. This number will always be greater than 1.
-#   $date (String) - The date we began recording the count of blocked trackers
-cfr-doorhanger-milestone-heading =
-  { $blockedCount ->
-   *[other] { -brand-short-name } blocked over <b>{ $blockedCount }</b> trackers since { $date }!
-  }
-cfr-doorhanger-milestone-ok-button = See All
-  .accesskey = S
diff --git a/browser/themes/shared/browser.inc.css b/browser/themes/shared/browser.inc.css
index ab1eec6980d8..a4c20828d288 100644
--- a/browser/themes/shared/browser.inc.css
+++ b/browser/themes/shared/browser.inc.css
@@ -13,8 +13,6 @@
   /* Note: Setting this to 0 (without px) breaks CSS calculations for OSX. */
   --space-above-tabbar: 0px;
   --tabs-navbar-shadow-size: 1px;
-  --short-notification-background: #0250BB;
-  --short-notification-gradient: #9059FF;
 }
 
 :root[extradragspace][tabsintitlebar]:not([inFullscreen]) {
@@ -256,94 +254,6 @@ menupopup::part(drop-indicator) {
   display: block;
 }
 
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] {
-  background: radial-gradient(circle farthest-side at top right, var(--short-notification-gradient), var(--short-notification-background));
-  width: unset;
-  max-width: 700px;
-  overflow-wrap: break-word;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"]:-moz-locale-dir(rtl) {
-  background: radial-gradient(circle farthest-side at top left, var(--short-notification-gradient), var(--short-notification-background));
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-body-container,
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-footer-container,
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] #cfr-notification-header-link {
-  display: none;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] #cfr-notification-header {
-  box-shadow: none;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] description {
-  font-weight: 400;
-  margin: unset;
-  margin-inline-end: 12px;
-  margin-inline-start: 12px;
-  transform: translateY(50%);
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button-container,
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-header-container {
-  display: inline-flex;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button-container {
-  float: right;
-  background-color: transparent;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button-container:-moz-locale-dir(rtl) {
-  float: left;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button {
-  background-color: rgba(216, 216, 216, 0.2);
-  border-radius: 2px;
-  margin: 4px;
-  padding: 3px 12px;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button:after {
-  content: url(chrome://browser/skin/back-12.svg);
-  -moz-context-properties: fill;
-  fill: currentColor;
-  transform: scaleX(-1) translateY(2px);
-  float: right;
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"]:-moz-locale-dir(rtl) .popup-notification-button.popup-notification-primary-button:after {
-  float: left;
-  transform: scaleX(1) translateY(2px);
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button:hover {
-  background-color: rgba(216, 216, 216, 0.4);
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button:active {
-  background-color: rgba(216, 216, 216, 0.5);
-}
-
-:root[lwt-popup-brighttext] #contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button {
-  background-color: rgba(216, 216, 216, 0.5);
-}
-
-:root[lwt-popup-brighttext] #contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button:hover {
-  background-color: rgba(216, 216, 216, 0.4);
-}
-
-:root[lwt-popup-brighttext] #contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-button.popup-notification-primary-button:active {
-  background-color: rgba(216, 216, 216, 0.2);
-}
-
-#contextual-feature-recommendation-notification[data-notification-bucket="CFR_MILESTONE_MESSAGE"] .popup-notification-header-container {
-  color: white;
-  max-width: unset;
-}
-
 #contextual-feature-recommendation-notification[data-notification-bucket="CFR_SOCIAL_TRACKING_PROTECTION"] {
   width: 386px;
 }
diff --git a/toolkit/components/antitracking/TrackingDBService.jsm b/toolkit/components/antitracking/TrackingDBService.jsm
index d40b148d8a2c..22925c738180 100644
--- a/toolkit/components/antitracking/TrackingDBService.jsm
+++ b/toolkit/components/antitracking/TrackingDBService.jsm
@@ -28,29 +28,6 @@ XPCOMUtils.defineLazyPreferenceGetter(
   false
 );
 
-XPCOMUtils.defineLazyPreferenceGetter(
-  this,
-  "milestoneMessagingEnabled",
-  "browser.contentblocking.cfr-milestone.enabled",
-  false
-);
-
-XPCOMUtils.defineLazyPreferenceGetter(
-  this,
-  "milestones",
-  "browser.contentblocking.cfr-milestone.milestones",
-  "[]",
-  null,
-  JSON.parse
-);
-
-XPCOMUtils.defineLazyPreferenceGetter(
-  this,
-  "oldMilestone",
-  "browser.contentblocking.cfr-milestone.milestone-achieved",
-  0
-);
-
 ChromeUtils.defineModuleGetter(
   this,
   "AsyncShutdown",
@@ -278,49 +255,6 @@ TrackingDBService.prototype = {
     } catch (e) {
       Cu.reportError(e);
     }
-
-    // If milestone CFR messaging is not enabled we don't need to update the milestone pref or send the event.
-    // If we have checked in the last 24 hours, don't bother checking again. Exit early.
-    if (
-      !milestoneMessagingEnabled ||
-      (this.lastChecked && Date.now() - this.lastChecked < 24 * 60 * 60 * 1000)
-    ) {
-      return;
-    }
-    this.lastChecked = Date.now();
-    let totalSaved = await this.sumAllEvents();
-
-    let reachedMilestone = null;
-    let nextMilestone = null;
-    for (let [index, milestone] of milestones.entries()) {
-      if (totalSaved >= milestone) {
-        reachedMilestone = milestone;
-        nextMilestone = milestones[index + 1];
-      } else {
-        break;
-      }
-    }
-
-    // Show the milestone message if the user is not too close to the next milestone.
-    // Or if there is no next milestone.
-    if (
-      reachedMilestone &&
-      (!nextMilestone || nextMilestone - totalSaved > 3000) &&
-      (!oldMilestone || oldMilestone < reachedMilestone)
-    ) {
-      Services.prefs.setIntPref(
-        "browser.contentblocking.cfr-milestone.milestone-achieved",
-        reachedMilestone
-      );
-      Services.obs.notifyObservers(
-        {
-          wrappedJSObject: {
-            event: "ContentBlockingMilestone",
-          },
-        },
-        "SiteProtection:ContentBlockingMilestone"
-      );
-    }
   },
 
   async clearAll() {
diff --git a/toolkit/modules/PopupNotifications.jsm b/toolkit/modules/PopupNotifications.jsm
index d7ebb71ba11b..77638961c16d 100644
--- a/toolkit/modules/PopupNotifications.jsm
+++ b/toolkit/modules/PopupNotifications.jsm
@@ -1110,7 +1110,6 @@ PopupNotifications.prototype = {
             telemetryStatId++;
           }
         }
-        popupnotification.setAttribute("secondarybuttonhidden", "false");
       } else {
         popupnotification.setAttribute("secondarybuttonhidden", "true");
       }