diff --git a/shell/common/platform_util_linux.cc b/shell/common/platform_util_linux.cc
index 231e0ad0e8c9..6b001ce4144d 100644
--- a/shell/common/platform_util_linux.cc
+++ b/shell/common/platform_util_linux.cc
@@ -13,6 +13,7 @@
 #include "base/no_destructor.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
+#include "base/threading/thread_restrictions.h"
 #include "components/dbus/thread_linux/dbus_thread_linux.h"
 #include "content/public/browser/browser_thread.h"
 #include "dbus/bus.h"
@@ -125,6 +126,8 @@ bool XDGUtil(const std::vector<std::string>& argv,
     return false;
 
   if (wait_for_exit) {
+    base::ScopedAllowBaseSyncPrimitivesForTesting
+        allow_sync;  // required by WaitForExit
     int exit_code = -1;
     bool success = process.WaitForExit(&exit_code);
     if (!callback.is_null())
diff --git a/spec-main/api-shell-spec.ts b/spec-main/api-shell-spec.ts
index 747add42f9d5..29a052837aaf 100644
--- a/spec-main/api-shell-spec.ts
+++ b/spec-main/api-shell-spec.ts
@@ -1,9 +1,12 @@
-import { BrowserWindow } from 'electron/main';
+import { BrowserWindow, app } from 'electron/main';
 import { shell } from 'electron/common';
 import { closeAllWindows } from './window-helpers';
 import { emittedOnce } from './events-helpers';
 import * as http from 'http';
+import * as fs from 'fs-extra';
+import * as path from 'path';
 import { AddressInfo } from 'net';
+import { expect } from 'chai';
 
 describe('shell module', () => {
   describe('shell.openExternal()', () => {
@@ -57,4 +60,21 @@ describe('shell module', () => {
       ]);
     });
   });
+
+  describe('shell.moveItemToTrash()', () => {
+    it('moves an item to the trash', async () => {
+      const dir = await fs.mkdtemp(path.resolve(app.getPath('temp'), 'electron-shell-spec-'));
+      const filename = path.join(dir, 'temp-to-be-deleted');
+      await fs.writeFile(filename, 'dummy-contents');
+      const result = shell.moveItemToTrash(filename);
+      expect(result).to.be.true();
+      expect(fs.existsSync(filename)).to.be.false();
+    });
+
+    it('returns false when called with a nonexistent path', () => {
+      const filename = path.join(app.getPath('temp'), 'does-not-exist');
+      const result = shell.moveItemToTrash(filename);
+      expect(result).to.be.false();
+    });
+  });
 });