diff --git a/dom/base/MessageManagerGlobal.cpp b/dom/base/MessageManagerGlobal.cpp
index a29d51641657..f8bd98629912 100644
--- a/dom/base/MessageManagerGlobal.cpp
+++ b/dom/base/MessageManagerGlobal.cpp
@@ -37,14 +37,6 @@ void MessageManagerGlobal::Dump(const nsAString& aStr) {
   fflush(stdout);
 }
 
-void MessageManagerGlobal::PrivateNoteIntentionalCrash(ErrorResult& aError) {
-  if (XRE_IsContentProcess()) {
-    NoteIntentionalCrash("tab");
-    return;
-  }
-  aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
-}
-
 void MessageManagerGlobal::Atob(const nsAString& aAsciiString,
                                 nsAString& aBase64Data, ErrorResult& aError) {
   aError = nsContentUtils::Atob(aAsciiString, aBase64Data);
diff --git a/dom/base/MessageManagerGlobal.h b/dom/base/MessageManagerGlobal.h
index a43f2e6d152d..44b77737e5ca 100644
--- a/dom/base/MessageManagerGlobal.h
+++ b/dom/base/MessageManagerGlobal.h
@@ -110,7 +110,6 @@ class MessageManagerGlobal {
 
   // MessageManagerGlobal
   void Dump(const nsAString& aStr);
-  void PrivateNoteIntentionalCrash(ErrorResult& aError);
   void Atob(const nsAString& aAsciiString, nsAString& aBase64Data,
             ErrorResult& aError);
   void Btoa(const nsAString& aBase64Data, nsAString& aAsciiString,
diff --git a/dom/chrome-webidl/MessageManager.webidl b/dom/chrome-webidl/MessageManager.webidl
index 110c2ced334e..54094490e7ea 100644
--- a/dom/chrome-webidl/MessageManager.webidl
+++ b/dom/chrome-webidl/MessageManager.webidl
@@ -388,13 +388,6 @@ interface mixin MessageManagerGlobal
    */
   void dump(DOMString str);
 
-  /**
-   * If leak detection is enabled, print a note to the leak log that this
-   * process will intentionally crash.
-   */
-  [Throws]
-  void privateNoteIntentionalCrash();
-
   /**
    * Ascii base64 data to binary data and vice versa
    */
diff --git a/dom/ipc/tests/browser.ini b/dom/ipc/tests/browser.ini
index e8198cd43a3e..cc54c21dc0ca 100644
--- a/dom/ipc/tests/browser.ini
+++ b/dom/ipc/tests/browser.ini
@@ -6,6 +6,8 @@ support-files =
   ../../media/test/short.mp4
   ../../media/test/owl.mp3
 
+[browser_CrashService_crash.js]
+skip-if = !crashreporter
 [browser_ProcessPriorityManager.js]
 skip-if = os != "win" # The Process Priority Manager is only enabled for Windows so far. Bug 1522879.
 [browser_crash_oopiframe.js]
diff --git a/dom/ipc/tests/browser_CrashService_crash.js b/dom/ipc/tests/browser_CrashService_crash.js
new file mode 100644
index 000000000000..17fa6d2d3861
--- /dev/null
+++ b/dom/ipc/tests/browser_CrashService_crash.js
@@ -0,0 +1,71 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Ensures that content crashes are reported to the crash service
+// (nsICrashService and CrashManager.jsm).
+
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+SimpleTest.requestFlakyTimeout("untriaged");
+
+add_task(async function() {
+  let tab = await BrowserTestUtils.openNewForegroundTab({
+    gBrowser,
+    forceNewProcess: true,
+  });
+
+  SimpleTest.expectChildProcessCrash();
+
+  let crashMan = Services.crashmanager;
+
+  // First, clear the crash record store.
+  info("Waiting for pruneOldCrashes");
+  var future = new Date(Date.now() + 1000 * 60 * 60 * 24);
+  await crashMan.pruneOldCrashes(future);
+
+  var crashDateMS = Date.now();
+
+  let crashPromise = BrowserTestUtils.crashFrame(tab.linkedBrowser);
+
+  // Finally, poll for the new crash record.
+  await new Promise((resolve, reject) => {
+    function tryGetCrash() {
+      info("Waiting for getCrashes");
+      crashMan.getCrashes().then(
+        function(crashes) {
+          if (crashes.length) {
+            is(crashes.length, 1, "There should be only one record");
+            var crash = crashes[0];
+            ok(
+              crash.isOfType(
+                crashMan.PROCESS_TYPE_CONTENT,
+                crashMan.CRASH_TYPE_CRASH
+              ),
+              "Record should be a content crash"
+            );
+            ok(!!crash.id, "Record should have an ID");
+            ok(!!crash.crashDate, "Record should have a crash date");
+            var dateMS = crash.crashDate.valueOf();
+            var twoMin = 1000 * 60 * 2;
+            ok(
+              crashDateMS - twoMin <= dateMS && dateMS <= crashDateMS + twoMin,
+              `Record's crash date should be nowish: ` +
+                `now=${crashDateMS} recordDate=${dateMS}`
+            );
+            resolve();
+          } else {
+            setTimeout(tryGetCrash, 1000);
+          }
+        },
+        function(err) {
+          reject(err);
+        }
+      );
+    }
+    setTimeout(tryGetCrash, 1000);
+  });
+
+  await crashPromise;
+
+  await BrowserTestUtils.removeTab(tab);
+});
diff --git a/dom/ipc/tests/mochitest.ini b/dom/ipc/tests/mochitest.ini
index d3adfaca53e0..37cdd9d48eff 100644
--- a/dom/ipc/tests/mochitest.ini
+++ b/dom/ipc/tests/mochitest.ini
@@ -1,7 +1,5 @@
 [DEFAULT]
 
-[test_CrashService_crash.html]
-skip-if = !(crashreporter && !e10s && (toolkit == 'gtk' || toolkit == 'cocoa' || toolkit == 'windows'))
 [test_temporaryfile_stream.html]
 skip-if = !e10s || toolkit == 'android' || (os == "win" && processor == "aarch64") # Bug 1525959, aarch64 due to 1531150
 support-files =
diff --git a/dom/ipc/tests/test_CrashService_crash.html b/dom/ipc/tests/test_CrashService_crash.html
deleted file mode 100644
index 44756b3e820f..000000000000
--- a/dom/ipc/tests/test_CrashService_crash.html
+++ /dev/null
@@ -1,90 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-Ensures that content crashes are reported to the crash service
-(nsICrashService and CrashManager.jsm).
--->
-<head>
-  <script src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-
-<script type="application/javascript">
-"use strict";
-
-SimpleTest.waitForExplicitFinish();
-SimpleTest.requestFlakyTimeout("untriaged");
-SpecialPowers.addPermission("browser", true, document);
-SpecialPowers.pushPrefEnv({"set": [
-  ["dom.mozBrowserFramesEnabled", true],
-  ["network.disable.ipc.security", true],
-  ["dom.ipc.tabs.disabled", false],
-]}, function() {
-  var iframe =  document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");
-  iframe.setAttribute("remote", "true");
-  SpecialPowers.wrap(iframe).mozbrowser = true;
-  document.documentElement.appendChild(iframe);
-
-  SimpleTest.expectChildProcessCrash();
-
-  var crashMan =
-    SpecialPowers.Cu.import("resource://gre/modules/Services.jsm").
-    Services.crashmanager;
-
-  // First, clear the crash record store.
-  info("Waiting for pruneOldCrashes");
-  var future = new Date(Date.now() + 1000 * 60 * 60 * 24);
-  crashMan.pruneOldCrashes(future).then(function() {
-    var crashDateMS = Date.now();
-
-    // Inject a frame script that crashes the content process.
-    var mm = SpecialPowers.getBrowserFrameMessageManager(iframe);
-    mm.loadFrameScript("data:,new " + function ContentScriptScope() {
-      const {ctypes} = ChromeUtils.import("resource://gre/modules/ctypes.jsm");
-      let crash = function() {
-        let zero = new ctypes.intptr_t(8);
-        let badptr = ctypes.cast(zero, ctypes.PointerType(ctypes.int32_t));
-        badptr.contents;
-      };
-      privateNoteIntentionalCrash();
-      crash();
-    }, false);
-
-    // Finally, poll for the new crash record.
-    function tryGetCrash() {
-      info("Waiting for getCrashes");
-      crashMan.getCrashes().then(SpecialPowers.wrapCallback(function(crashes) {
-        if (crashes.length) {
-          is(crashes.length, 1, "There should be only one record");
-          var crash = crashes[0];
-          ok(crash.isOfType(crashMan.PROCESS_TYPE_CONTENT,
-                            crashMan.CRASH_TYPE_CRASH),
-             "Record should be a content crash");
-          ok(!!crash.id, "Record should have an ID");
-          ok(!!crash.crashDate, "Record should have a crash date");
-          var dateMS = crash.crashDate.valueOf();
-          var twoMin = 1000 * 60 * 2;
-          ok(crashDateMS - twoMin <= dateMS &&
-             dateMS <= crashDateMS + twoMin,
-             "Record's crash date should be nowish: " +
-             "now=" + crashDateMS + " recordDate=" + dateMS);
-          SimpleTest.finish();
-        } else {
-          setTimeout(tryGetCrash, 1000);
-        }
-      }), function(err) {
-        ok(false, "Error getting crashes: " + err);
-        SimpleTest.finish();
-      });
-    }
-    setTimeout(tryGetCrash, 1000);
-  }, function() {
-    ok(false, "pruneOldCrashes error");
-    SimpleTest.finish();
-  });
-});
-
-</script>
-</body>
-</html>
diff --git a/toolkit/content/tests/browser/browser_content_url_annotation.js b/toolkit/content/tests/browser/browser_content_url_annotation.js
index 7e4887b40e85..72180ec2d060 100644
--- a/toolkit/content/tests/browser/browser_content_url_annotation.js
+++ b/toolkit/content/tests/browser/browser_content_url_annotation.js
@@ -1,7 +1,7 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 /* global Services, requestLongerTimeout, TestUtils, BrowserTestUtils,
- ok, info, dump, is, Ci, Cu, Components, ctypes, privateNoteIntentionalCrash,
+ ok, info, dump, is, Ci, Cu, Components, ctypes,
  gBrowser, add_task, addEventListener, removeEventListener, ContentTask */
 
 "use strict";
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/configs/browser-test.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/configs/browser-test.js
index e78c6f0b6641..596815c85020 100644
--- a/tools/lint/eslint/eslint-plugin-mozilla/lib/configs/browser-test.js
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/configs/browser-test.js
@@ -41,7 +41,6 @@ module.exports = {
     is: false,
     isnot: false,
     ok: false,
-    privateNoteIntentionalCrash: false,
     record: false,
     registerCleanupFunction: false,
     requestLongerTimeout: false,
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/environments/frame-script.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/environments/frame-script.js
index f90292204a1d..5c80dd792138 100644
--- a/tools/lint/eslint/eslint-plugin-mozilla/lib/environments/frame-script.js
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/environments/frame-script.js
@@ -17,7 +17,6 @@ module.exports = {
     chromeOuterWindowID: false,
     content: false,
     docShell: false,
-    privateNoteIntentionalCrash: false,
     processMessageManager: false,
     removeMessageListener: false,
     removeWeakMessageListener: false,