--- a/browser/base/content/nsContextMenu.js
+++ b/browser/base/content/nsContextMenu.js
@@ -307,19 +307,18 @@ nsContextMenu.prototype = {
     this.showItem("context-viewpartialsource-mathml",
                   this.onMathML && !this.isContentSelected);
 
     var shouldShow = !(this.isContentSelected ||
                        this.onImage || this.onCanvas ||
                        this.onVideo || this.onAudio ||
                        this.onLink || this.onTextInput);
 
-    var showInspect = DevToolsShim.isInstalled() &&
-                      this.inTabBrowser &&
-                      gPrefService.getBoolPref("devtools.inspector.enabled", false);
+    var showInspect = this.inTabBrowser &&
+                      gPrefService.getBoolPref("devtools.inspector.enabled", true);
 
     this.showItem("context-viewsource", shouldShow);
     this.showItem("context-viewinfo", shouldShow);
     // The page info is broken for WebExtension popups, as the browser is
     // destroyed when the popup is closed.
     this.setItemAttr("context-viewinfo", "disabled", this.webExtBrowserType === "popup");
     this.showItem("inspect-separator", showInspect);
     this.showItem("context-inspect", showInspect);

--- a/browser/base/content/test/general/contextmenu_common.js
+++ b/browser/base/content/test/general/contextmenu_common.js
@@ -310,17 +310,17 @@ async function test_contextmenu(selector
   info("Popup Shown");
 
   if (options.onContextMenuShown) {
     await options.onContextMenuShown();
     info("Completed onContextMenuShown");
   }
 
   if (menuItems) {
-    if (Services.prefs.getBoolPref("devtools.inspector.enabled")) {
+    if (Services.prefs.getBoolPref("devtools.inspector.enabled", true)) {
       let inspectItems = ["---", null,
                           "context-inspect", true];
       menuItems = menuItems.concat(inspectItems);
     }
 
     if (options.maybeScreenshotsPresent &&
         !Services.prefs.getBoolPref("extensions.screenshots.disabled", false) &&
         !Services.prefs.getBoolPref("extensions.screenshots.system-disabled", false)) {