diff --git a/apps/mobile-shell/scripts/check-config.mjs b/apps/mobile-shell/scripts/check-config.mjs
index 4c6703aef..a55063db7 100644
--- a/apps/mobile-shell/scripts/check-config.mjs
+++ b/apps/mobile-shell/scripts/check-config.mjs
@@ -2473,6 +2473,12 @@ for (const snippet of [
     throw new Error(`mobile shell clipboard module is missing ${snippet}`);
   }
 }
+if (clipboardSource.includes('console.warn(`mobile clipboard failed for ${label}`, error)')) {
+  throw new Error('mobile shell clipboard diagnostics must not log native error objects');
+}
+if (!clipboardSource.includes('console.warn(`mobile clipboard failed for ${label}`)')) {
+  throw new Error('mobile shell clipboard diagnostics must use stable label-only logging');
+}
 if (!clipboardTestSource.includes("'猫'.repeat(100000)")) {
   throw new Error('mobile shell clipboard tests must cover Unicode truncation');
 }
diff --git a/apps/mobile-shell/src/host-bridge/bridge.test.ts b/apps/mobile-shell/src/host-bridge/bridge.test.ts
index 3331a2dd7..a5d3b2515 100644
--- a/apps/mobile-shell/src/host-bridge/bridge.test.ts
+++ b/apps/mobile-shell/src/host-bridge/bridge.test.ts
@@ -779,7 +779,6 @@ describe('handleMobileHostBridgeMessage', () => {
       expect(failedResponse.error.code).toBe('host_error');
       expect(warnSpy).toHaveBeenCalledWith(
         'mobile clipboard failed for read.get_string',
-        nativeError,
       );
     } finally {
       warnSpy.mockRestore();
diff --git a/apps/mobile-shell/src/host-bridge/clipboard.test.ts b/apps/mobile-shell/src/host-bridge/clipboard.test.ts
index 62674f513..d0f667df8 100644
--- a/apps/mobile-shell/src/host-bridge/clipboard.test.ts
+++ b/apps/mobile-shell/src/host-bridge/clipboard.test.ts
@@ -77,7 +77,6 @@ describe('mobile clipboard helpers', () => {
       });
       expect(warnSpy).toHaveBeenCalledWith(
         'mobile clipboard failed for write.set_string',
-        nativeError,
       );
     } finally {
       warnSpy.mockRestore();
@@ -163,7 +162,6 @@ describe('mobile clipboard helpers', () => {
       });
       expect(warnSpy).toHaveBeenCalledWith(
         'mobile clipboard failed for read.get_string',
-        nativeError,
       );
     } finally {
       warnSpy.mockRestore();
diff --git a/apps/mobile-shell/src/host-bridge/clipboard.ts b/apps/mobile-shell/src/host-bridge/clipboard.ts
index f49a4f1d9..f822f0def 100644
--- a/apps/mobile-shell/src/host-bridge/clipboard.ts
+++ b/apps/mobile-shell/src/host-bridge/clipboard.ts
@@ -9,8 +9,8 @@ import {
 } from '../../../../packages/shared/src/contracts/hostBridge';
 import { invalidRequest, ok } from './protocol';
 
-function logMobileClipboardFailure(label: string, error: unknown) {
-  console.warn(`mobile clipboard failed for ${label}`, error);
+function logMobileClipboardFailure(label: string, _error: unknown) {
+  console.warn(`mobile clipboard failed for ${label}`);
 }
 
 export async function writeMobileClipboardText(rawText: unknown) {