diff --git a/browser/components/enterprisepolicies/Policies.jsm b/browser/components/enterprisepolicies/Policies.jsm
index ffc8185f6b6c..0c44db7aafd6 100644
--- a/browser/components/enterprisepolicies/Policies.jsm
+++ b/browser/components/enterprisepolicies/Policies.jsm
@@ -35,6 +35,12 @@ this.Policies = {
       }
     }
   },
+
+  "dont_check_default_browser": {
+    onBeforeUIStartup(manager, param) {
+      setAndLockPref("browser.shell.checkDefaultBrowser", false);
+    }
+  }
 };
 
 /*
diff --git a/browser/components/enterprisepolicies/schemas/policies-schema.json b/browser/components/enterprisepolicies/schemas/policies-schema.json
index c0257dd93fd6..53105817ffb6 100644
--- a/browser/components/enterprisepolicies/schemas/policies-schema.json
+++ b/browser/components/enterprisepolicies/schemas/policies-schema.json
@@ -6,6 +6,14 @@
       "description": "Blocks access to the about:config page.",
       "first_available": "60.0",
 
+      "type": "boolean",
+      "enum": [true]
+    },
+
+    "dont_check_default_browser": {
+      "description": "Don't check for the default browser on startup.",
+      "first_available": "60.0",
+
       "type": "boolean",
       "enum": [true]
     }
diff --git a/browser/components/enterprisepolicies/tests/browser/browser.ini b/browser/components/enterprisepolicies/tests/browser/browser.ini
index 609611f5f1fb..f7c046594356 100644
--- a/browser/components/enterprisepolicies/tests/browser/browser.ini
+++ b/browser/components/enterprisepolicies/tests/browser/browser.ini
@@ -3,6 +3,7 @@ prefs =
   browser.policies.enabled=true
 support-files =
   head.js
+  config_dont_check_default_browser.json
   config_setAndLockPref.json
   config_simple_policies.json
   config_broken_json.json
@@ -11,3 +12,4 @@ support-files =
 [browser_policies_setAndLockPref_API.js]
 [browser_policies_simple_policies.js]
 [browser_policies_validate_and_parse_API.js]
+[browser_policy_default_browser_check.js]
diff --git a/browser/components/enterprisepolicies/tests/browser/browser_policy_default_browser_check.js b/browser/components/enterprisepolicies/tests/browser/browser_policy_default_browser_check.js
new file mode 100644
index 000000000000..9d8a2d67ecb6
--- /dev/null
+++ b/browser/components/enterprisepolicies/tests/browser/browser_policy_default_browser_check.js
@@ -0,0 +1,24 @@
+/* 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 { ShellService } = Cu.import("resource:///modules/ShellService.jsm", {});
+
+add_task(async function test_default_browser_check() {
+  ShellService._checkedThisSession = false;
+  // On a normal profile, the default is true. However, this gets set to false on the
+  // testing profile. Let's start with true for a sanity check.
+
+  ShellService.shouldCheckDefaultBrowser = true;
+  is(ShellService.shouldCheckDefaultBrowser, true, "Sanity check");
+
+  await setupPolicyEngineWithJson("config_dont_check_default_browser.json");
+
+  is(ShellService.shouldCheckDefaultBrowser, false, "Policy changed it to not check");
+
+  // Try to change it to true and check that it doesn't take effect
+  ShellService.shouldCheckDefaultBrowser = true;
+
+  is(ShellService.shouldCheckDefaultBrowser, false, "Policy is enforced");
+});
diff --git a/browser/components/enterprisepolicies/tests/browser/config_dont_check_default_browser.json b/browser/components/enterprisepolicies/tests/browser/config_dont_check_default_browser.json
new file mode 100644
index 000000000000..ef049be71609
--- /dev/null
+++ b/browser/components/enterprisepolicies/tests/browser/config_dont_check_default_browser.json
@@ -0,0 +1,5 @@
+{
+  "policies": {
+    "dont_check_default_browser": true
+  }
+}