--- a/testing/talos/talos/tests/devtools/addon/content/damp-tests.js
+++ b/testing/talos/talos/tests/devtools/addon/content/damp-tests.js
@@ -44,20 +44,16 @@ window.DAMP_TESTS = [
   }, {
     name: "simple.performance",
     path: "performance/simple.js",
     description: "Measure open/close toolbox on performance panel against simple document"
   }, {
     name: "simple.netmonitor",
     path: "netmonitor/simple.js",
     description: "Measure open/close toolbox on network monitor panel against simple document"
-  }, {
-    name: "simple.memory",
-    path: "memory/simple.js",
-    description: "Measure open/close toolbox on memory panel and save/read heap snapshot against simple document"
   },
   // Run all tests against "complicated" document
   {
     name: "complicated.webconsole",
     path: "webconsole/complicated.js",
     description: "Measure open/close toolbox on webconsole panel against complicated document"
   }, {
     name: "complicated.inspector",
@@ -74,20 +70,16 @@ window.DAMP_TESTS = [
   }, {
     name: "complicated.performance",
     path: "performance/complicated.js",
     description: "Measure open/close toolbox on performance panel against complicated document"
   }, {
     name: "complicated.netmonitor",
     path: "netmonitor/complicated.js",
     description: "Measure open/close toolbox on network monitor panel against complicated document"
-  }, {
-    name: "complicated.memory",
-    path: "memory/complicated.js",
-    description: "Measure open/close toolbox on memory panel and save/read heap snapshot against complicated document"
   },
   // Run all tests against a document specific to each tool
   {
     name: "custom.webconsole",
     path: "webconsole/custom.js"
   }, {
     name: "custom.inspector",
     path: "inspector/custom.js"

deleted file mode 100644
--- a/testing/talos/talos/tests/devtools/addon/content/tests/memory/complicated.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const { openToolboxAndLog, closeToolboxAndLog, reloadPageAndLog, testSetup,
-        testTeardown, COMPLICATED_URL } = require("../head");
-const { saveHeapSnapshot, readHeapSnapshot, takeCensus } = require("./memory-helpers");
-
-module.exports = async function() {
-  await testSetup(COMPLICATED_URL);
-
-  const toolbox = await openToolboxAndLog("complicated.memory", "memory");
-  await reloadPageAndLog("complicated.memory", toolbox);
-
-  let heapSnapshotFilePath = await saveHeapSnapshot("complicated");
-  let snapshot = await readHeapSnapshot("complicated", heapSnapshotFilePath);
-  await takeCensus("complicated", snapshot);
-
-  await closeToolboxAndLog("complicated.memory", toolbox);
-  await testTeardown();
-};
-

deleted file mode 100644
--- a/testing/talos/talos/tests/devtools/addon/content/tests/memory/memory-helpers.js
+++ /dev/null
@@ -1,58 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const { getToolbox, runTest } = require("../head");
-
-exports.saveHeapSnapshot = async function(label) {
-  let toolbox = getToolbox();
-  let panel = toolbox.getCurrentPanel();
-  let memoryFront = panel.panelWin.gFront;
-
-  let test = runTest(label + ".saveHeapSnapshot");
-  let heapSnapshotFilePath = await memoryFront.saveHeapSnapshot();
-  test.done();
-
-  return heapSnapshotFilePath;
-};
-
-exports.readHeapSnapshot = function(label, snapshotFilePath) {
-  const ChromeUtils = require("ChromeUtils");
-  let test = runTest(label + ".readHeapSnapshot");
-  let snapshot = ChromeUtils.readHeapSnapshot(snapshotFilePath);
-  test.done();
-
-  return Promise.resolve(snapshot);
-};
-
-exports.takeCensus = function(label, snapshot) {
-  let test = runTest("complicated.takeCensus");
-  snapshot.takeCensus({
-    breakdown: {
-      by: "coarseType",
-      objects: {
-        by: "objectClass",
-        then: { by: "count", bytes: true, count: true },
-        other: { by: "count", bytes: true, count: true }
-      },
-      strings: {
-        by: "internalType",
-        then: { by: "count", bytes: true, count: true }
-      },
-      scripts: {
-        by: "internalType",
-        then: { by: "count", bytes: true, count: true }
-      },
-      other: {
-        by: "internalType",
-        then: { by: "count", bytes: true, count: true }
-      }
-    }
-  });
-
-  test.done();
-
-  return Promise.resolve();
-};

deleted file mode 100644
--- a/testing/talos/talos/tests/devtools/addon/content/tests/memory/simple.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const { openToolboxAndLog, closeToolboxAndLog, reloadPageAndLog, testSetup,
-        testTeardown, SIMPLE_URL } = require("../head");
-const { saveHeapSnapshot, readHeapSnapshot, takeCensus } = require("./memory-helpers");
-
-module.exports = async function() {
-  await testSetup(SIMPLE_URL);
-
-  const toolbox = await openToolboxAndLog("simple.memory", "memory");
-  await reloadPageAndLog("simple.memory", toolbox);
-
-  let heapSnapshotFilePath = await saveHeapSnapshot("simple");
-  let snapshot = await readHeapSnapshot("simple", heapSnapshotFilePath);
-  await takeCensus("simple", snapshot);
-
-  await closeToolboxAndLog("simple.memory", toolbox);
-  await testTeardown();
-};
-