diff --git a/devtools/client/framework/toolbox.js b/devtools/client/framework/toolbox.js
index 9887e3bd23f4..213363a70591 100644
--- a/devtools/client/framework/toolbox.js
+++ b/devtools/client/framework/toolbox.js
@@ -109,6 +109,7 @@ function Toolbox(target, selectedTool, hostType, contentWindow, frameId) {
   this._target = target;
   this._win = contentWindow;
   this.frameId = frameId;
+  this.telemetry = new Telemetry();
 
   // Map of the available DevTools WebExtensions:
   //   Map<extensionUUID, extensionName>
@@ -116,7 +117,6 @@ function Toolbox(target, selectedTool, hostType, contentWindow, frameId) {
 
   this._toolPanels = new Map();
   this._inspectorExtensionSidebars = new Map();
-  this._telemetry = new Telemetry();
 
   this._initInspector = null;
   this._inspector = null;
@@ -545,10 +545,10 @@ Toolbox.prototype = {
       let splitConsolePromise = promise.resolve();
       if (Services.prefs.getBoolPref(SPLITCONSOLE_ENABLED_PREF)) {
         splitConsolePromise = this.openSplitConsole();
-        this._telemetry.addEventProperty(
+        this.telemetry.addEventProperty(
           "devtools.main", "open", "tools", null, "splitconsole", true);
       } else {
-        this._telemetry.addEventProperty(
+        this.telemetry.addEventProperty(
           "devtools.main", "open", "tools", null, "splitconsole", false);
       }
 
@@ -716,22 +716,22 @@ Toolbox.prototype = {
   },
 
   _pingTelemetry: function() {
-    this._telemetry.toolOpened("toolbox");
+    this.telemetry.toolOpened("toolbox");
 
-    this._telemetry.logOncePerBrowserVersion(SCREENSIZE_HISTOGRAM,
+    this.telemetry.logOncePerBrowserVersion(SCREENSIZE_HISTOGRAM,
                                              system.getScreenDimensions());
-    this._telemetry.log(HOST_HISTOGRAM, this._getTelemetryHostId());
+    this.telemetry.log(HOST_HISTOGRAM, this._getTelemetryHostId());
 
     // Log current theme. The question we want to answer is:
     // "What proportion of users use which themes?"
     let currentTheme = Services.prefs.getCharPref("devtools.theme");
-    this._telemetry.logKeyedScalar(CURRENT_THEME_SCALAR, currentTheme, 1);
+    this.telemetry.logKeyedScalar(CURRENT_THEME_SCALAR, currentTheme, 1);
 
-    this._telemetry.preparePendingEvent(
+    this.telemetry.preparePendingEvent(
       "devtools.main", "open", "tools", null,
       ["entrypoint", "first_panel", "host", "splitconsole", "width"]
     );
-    this._telemetry.addEventProperty(
+    this.telemetry.addEventProperty(
       "devtools.main", "open", "tools", null, "host", this._getTelemetryHostString()
     );
   },
@@ -1849,7 +1849,7 @@ Toolbox.prototype = {
         id === "options" ||
         this.additionalToolDefinitions.get(id)) {
       if (this.currentToolId) {
-        this._telemetry.toolClosed(this.currentToolId);
+        this.telemetry.toolClosed(this.currentToolId);
       }
 
       this._pingTelemetrySelectTool(id, reason);
@@ -1884,7 +1884,7 @@ Toolbox.prototype = {
     const prevPanelName = this.getTelemetryPanelName(this.currentToolId);
     const cold = !this.getPanel(id);
 
-    this._telemetry.addEventProperties("devtools.main", "enter", panelName, null, {
+    this.telemetry.addEventProperties("devtools.main", "enter", panelName, null, {
       "host": this._hostType,
       "width": width,
       "start_state": reason,
@@ -1895,7 +1895,7 @@ Toolbox.prototype = {
     // On first load this.currentToolId === undefined so we need to skip sending
     // a devtools.main.exit telemetry event.
     if (this.currentToolId) {
-      this._telemetry.recordEvent("devtools.main", "exit", prevPanelName, null, {
+      this.telemetry.recordEvent("devtools.main", "exit", prevPanelName, null, {
         "host": this._hostType,
         "width": width,
         "panel_name": prevPanelName,
@@ -1911,13 +1911,13 @@ Toolbox.prototype = {
       // Cold webconsole event message_count is handled in
       // devtools/client/webconsole/new-console-output-wrapper.js
       if (!cold) {
-        this._telemetry.addEventProperty(
+        this.telemetry.addEventProperty(
           "devtools.main", "enter", "webconsole", null, "message_count", 0);
       }
     }
-    this._telemetry.preparePendingEvent(
+    this.telemetry.preparePendingEvent(
       "devtools.main", "enter", panelName, null, pending);
-    this._telemetry.toolOpened(id);
+    this.telemetry.toolOpened(id);
   },
 
   /**
@@ -1985,7 +1985,7 @@ Toolbox.prototype = {
 
     return this.loadTool("webconsole").then(() => {
       this.component.setIsSplitConsoleActive(true);
-      this._telemetry.recordEvent("devtools.main", "activate", "split_console", null, {
+      this.telemetry.recordEvent("devtools.main", "activate", "split_console", null, {
         "host": this._getTelemetryHostString(),
         "width": Math.ceil(this.win.outerWidth / 50) * 50
       });
@@ -2006,7 +2006,7 @@ Toolbox.prototype = {
     this._refreshConsoleDisplay();
     this.component.setIsSplitConsoleActive(false);
 
-    this._telemetry.recordEvent("devtools.main", "deactivate", "split_console", null, {
+    this.telemetry.recordEvent("devtools.main", "deactivate", "split_console", null, {
       "host": this._getTelemetryHostString(),
       "width": Math.ceil(this.win.outerWidth / 50) * 50
     });
@@ -2458,7 +2458,7 @@ Toolbox.prototype = {
     this.focusTool(this.currentToolId, true);
 
     this.emit("host-changed");
-    this._telemetry.log(HOST_HISTOGRAM, this._getTelemetryHostId());
+    this.telemetry.log(HOST_HISTOGRAM, this._getTelemetryHostId());
 
     this.component.setCurrentHostType(hostType);
   },
@@ -2842,19 +2842,19 @@ Toolbox.prototype = {
     const width = Math.ceil(win.outerWidth / 50) * 50;
     const prevPanelName = this.getTelemetryPanelName(this.currentToolId);
 
-    this._telemetry.toolClosed("toolbox");
-    this._telemetry.recordEvent("devtools.main", "close", "tools", null, {
+    this.telemetry.toolClosed("toolbox");
+    this.telemetry.recordEvent("devtools.main", "close", "tools", null, {
       host: host,
       width: width
     });
-    this._telemetry.recordEvent("devtools.main", "exit", prevPanelName, null, {
+    this.telemetry.recordEvent("devtools.main", "exit", prevPanelName, null, {
       "host": host,
       "width": width,
       "panel_name": this.getTelemetryPanelName(this.currentToolId),
       "next_panel": "none",
       "reason": "toolbox_close"
     });
-    this._telemetry.destroy();
+    this.telemetry.destroy();
 
     // Finish all outstanding tasks (which means finish destroying panels and
     // then destroying the host, successfully or not) before destroying the
diff --git a/devtools/client/inspector/inspector.js b/devtools/client/inspector/inspector.js
index 6185d64bfa42..1cef8ed7d316 100644
--- a/devtools/client/inspector/inspector.js
+++ b/devtools/client/inspector/inspector.js
@@ -13,7 +13,6 @@ const promise = require("promise");
 const EventEmitter = require("devtools/shared/event-emitter");
 const {executeSoon} = require("devtools/shared/DevToolsUtils");
 const {Toolbox} = require("devtools/client/framework/toolbox");
-const Telemetry = require("devtools/client/shared/telemetry");
 const HighlightersOverlay = require("devtools/client/inspector/shared/highlighters-overlay");
 const ReflowTracker = require("devtools/client/inspector/shared/reflow-tracker");
 const Store = require("devtools/client/inspector/store");
@@ -104,6 +103,7 @@ function Inspector(toolbox) {
   this.panelDoc = window.document;
   this.panelWin = window;
   this.panelWin.inspector = this;
+  this.telemetry = toolbox.telemetry;
 
   this.store = Store();
 
@@ -114,7 +114,6 @@ function Inspector(toolbox) {
   this.highlighters = new HighlightersOverlay(this);
   this.reflowTracker = new ReflowTracker(this._target);
   this.styleChangeTracker = new InspectorStyleChangeTracker(this);
-  this.telemetry = new Telemetry();
 
   // Store the URL of the target page prior to navigation in order to ensure
   // telemetry counts in the Grid Inspector are not double counted on reload.
@@ -1340,6 +1339,8 @@ Inspector.prototype = {
     this.styleChangeTracker.destroy();
     this.search.destroy();
 
+    this.telemetry = null;
+    this._target = null;
     this._toolbox = null;
     this.breadcrumbs = null;
     this.highlighters = null;
@@ -1354,7 +1355,6 @@ Inspector.prototype = {
     this.show3PaneTooltip = null;
     this.sidebar = null;
     this.store = null;
-    this.target = null;
     this.threePaneTooltip = null;
 
     this._panelDestroyer = promise.all([
diff --git a/devtools/client/inspector/toolsidebar.js b/devtools/client/inspector/toolsidebar.js
index 073697602c6c..a1642ac987c1 100644
--- a/devtools/client/inspector/toolsidebar.js
+++ b/devtools/client/inspector/toolsidebar.js
@@ -6,8 +6,7 @@
 
 "use strict";
 
-var EventEmitter = require("devtools/shared/event-emitter");
-var Telemetry = require("devtools/client/shared/telemetry");
+const EventEmitter = require("devtools/shared/event-emitter");
 
 /**
  * This object represents replacement for ToolSidebar
@@ -31,7 +30,7 @@ function ToolSidebar(tabbox, panel, uid, options = {}) {
   this._options = options;
 
   if (!options.disableTelemetry) {
-    this._telemetry = new Telemetry();
+    this._telemetry = this._toolPanel.telemetry;
   }
 
   this._tabs = [];
@@ -347,6 +346,7 @@ ToolSidebar.prototype = {
 
     this._tabs = null;
     this._tabbox = null;
+    this._telemetry = null;
     this._panelDoc = null;
     this._toolPanel = null;
   }