diff --git a/packages/cli/src/zed-integration/acp.test.ts b/packages/cli/src/zed-integration/acp.test.ts
index c796b484b0..5554e2a653 100644
--- a/packages/cli/src/zed-integration/acp.test.ts
+++ b/packages/cli/src/zed-integration/acp.test.ts
@@ -172,11 +172,6 @@ describe('acp', () => {
     it('should call agent.authenticate when Connection handler receives authenticate method', async () => {
       const authenticateParams = {
         methodId: 'test-auth-method',
-        authMethod: {
-          id: 'test-auth',
-          name: 'Test Auth Method',
-          description: 'A test authentication method',
-        },
       };
       const handler = mockConnectionConstructor.mock
         .calls[0][0]! as MethodHandler;
diff --git a/packages/cli/src/zed-integration/schema.ts b/packages/cli/src/zed-integration/schema.ts
index ef6c1d76d4..14e1a4c388 100644
--- a/packages/cli/src/zed-integration/schema.ts
+++ b/packages/cli/src/zed-integration/schema.ts
@@ -223,7 +223,6 @@ export const cancelNotificationSchema = z.object({
 
 export const authenticateRequestSchema = z.object({
   methodId: z.string(),
-  authMethod: authMethodSchema,
 });
 
 export const authenticateResponseSchema = z.null();
diff --git a/packages/cli/src/zed-integration/zedIntegration.test.ts b/packages/cli/src/zed-integration/zedIntegration.test.ts
index 48a741be20..c7017bb644 100644
--- a/packages/cli/src/zed-integration/zedIntegration.test.ts
+++ b/packages/cli/src/zed-integration/zedIntegration.test.ts
@@ -129,11 +129,6 @@ describe('GeminiAgent', () => {
   it('should authenticate correctly', async () => {
     await agent.authenticate({
       methodId: AuthType.LOGIN_WITH_GOOGLE,
-      authMethod: {
-        id: AuthType.LOGIN_WITH_GOOGLE,
-        name: 'Log in with Google',
-        description: null,
-      },
     });
 
     expect(mockConfig.refreshAuth).toHaveBeenCalledWith(