diff --git a/packages/backend/server/src/mails/users/sign-in.tsx b/packages/backend/server/src/mails/users/sign-in.tsx
index 501f0c2175..4e252c938f 100644
--- a/packages/backend/server/src/mails/users/sign-in.tsx
+++ b/packages/backend/server/src/mails/users/sign-in.tsx
@@ -39,5 +39,4 @@ export default function SignIn(props: SignInProps) {
 SignIn.PreviewProps = {
   url: 'https://app.affine.pro/magic-link?token=123456&email=test@test.com',
   otp: '123456',
-  serverName: 'AFFiNE Cloud',
 };
diff --git a/packages/backend/server/src/mails/users/sign-up.tsx b/packages/backend/server/src/mails/users/sign-up.tsx
index 558d77acec..6f37480b8b 100644
--- a/packages/backend/server/src/mails/users/sign-up.tsx
+++ b/packages/backend/server/src/mails/users/sign-up.tsx
@@ -39,5 +39,4 @@ export default function SignUp(props: SignUpProps) {
 SignUp.PreviewProps = {
   url: 'https://app.affine.pro/magic-link?token=123456&email=test@test.com',
   otp: '123456',
-  serverName: 'AFFiNE Cloud',
 };