diff --git a/api/controllers/console/workspace/account.py b/api/controllers/console/workspace/account.py
index a1b7a554674cac..f1ec0f3d298db3 100644
--- a/api/controllers/console/workspace/account.py
+++ b/api/controllers/console/workspace/account.py
@@ -252,7 +252,7 @@ def get(self):
         account = current_user
 
         token, code = AccountService.generate_account_deletion_verification_code(account)
-        AccountService.send_account_delete_verification_email(account, code)
+        AccountService.send_account_deletion_verification_email(account, code)
 
         return {"result": "success", "data": token}
 
diff --git a/api/services/account_service.py b/api/services/account_service.py
index d95b5451057355..b891e8b1f1d4bc 100644
--- a/api/services/account_service.py
+++ b/api/services/account_service.py
@@ -262,13 +262,13 @@ def generate_account_deletion_verification_code(account: Account) -> tuple[str,
 
     @classmethod
     def send_account_deletion_verification_email(cls, account: Account, code: str):
-        language, email = account.interface_language, account.email
+        email = account.email
         if cls.email_code_account_deletion_rate_limiter.is_rate_limited(email):
             from controllers.console.auth.error import EmailCodeAccountDeletionRateLimitExceededError
 
             raise EmailCodeAccountDeletionRateLimitExceededError()
 
-        send_account_deletion_verification_code.delay(language=language, to=email, code=code)
+        send_account_deletion_verification_code.delay(to=email, code=code)
 
         cls.email_code_account_deletion_rate_limiter.increment_rate_limit(email)
 
@@ -423,11 +423,6 @@ def revoke_reset_password_token(cls, token: str):
     def get_reset_password_data(cls, token: str) -> Optional[dict[str, Any]]:
         return TokenManager.get_token_data(token, "reset_password")
 
-    @classmethod
-    def send_account_delete_verification_email(cls, account: Account, code: str):
-        language, email = account.interface_language, account.email
-        send_account_deletion_verification_code.delay(language=language, to=email, code=code)
-
     @classmethod
     def send_email_code_login_email(
         cls, account: Optional[Account] = None, email: Optional[str] = None, language: Optional[str] = "en-US"
diff --git a/api/tasks/delete_account_task.py b/api/tasks/delete_account_task.py
index 884918dc8b43a5..52c884ca29e3dc 100644
--- a/api/tasks/delete_account_task.py
+++ b/api/tasks/delete_account_task.py
@@ -23,4 +23,4 @@ def delete_account_task(account_id):
         logger.error(f"Account {account_id} not found.")
         return
     # send success email
-    send_deletion_success_task.delay(account.interface_language, account.email)
+    send_deletion_success_task.delay(account.email)
diff --git a/api/tasks/mail_account_deletion_task.py b/api/tasks/mail_account_deletion_task.py
index 8d1434dc55098e..49a3a6d280c1c9 100644
--- a/api/tasks/mail_account_deletion_task.py
+++ b/api/tasks/mail_account_deletion_task.py
@@ -9,7 +9,7 @@
 
 
 @shared_task(queue="mail")
-def send_deletion_success_task(language, to):
+def send_deletion_success_task(to):
     """Send email to user regarding account deletion.
 
     Args:
@@ -22,20 +22,12 @@ def send_deletion_success_task(language, to):
     start_at = time.perf_counter()
 
     try:
-        if language == "zh-Hans":
-            html_content = render_template(
-                "delete_account_success_template_zh-CN.html",
-                to=to,
-                email=to,
-            )
-            mail.send(to=to, subject="Dify 账户删除成功", html=html_content)
-        else:
-            html_content = render_template(
-                "delete_account_success_template_en-US.html",
-                to=to,
-                email=to,
-            )
-            mail.send(to=to, subject="Dify Account Deleted", html=html_content)
+        html_content = render_template(
+            "delete_account_success_template_en-US.html",
+            to=to,
+            email=to,
+        )
+        mail.send(to=to, subject="Your Dify.AI Account Has Been Successfully Deleted", html=html_content)
 
         end_at = time.perf_counter()
         logging.info(
@@ -48,7 +40,7 @@ def send_deletion_success_task(language, to):
 
 
 @shared_task(queue="mail")
-def send_account_deletion_verification_code(language, to, code):
+def send_account_deletion_verification_code(to, code):
     """Send email to user regarding account deletion verification code.
 
     Args:
@@ -62,12 +54,8 @@ def send_account_deletion_verification_code(language, to, code):
     start_at = time.perf_counter()
 
     try:
-        if language == "zh-Hans":
-            html_content = render_template("delete_account_code_email_template_zh-CN.html", to=to, code=code)
-            mail.send(to=to, subject="Dify 的删除账户验证码", html=html_content)
-        else:
-            html_content = render_template("delete_account_code_email_en-US.html", to=to, code=code)
-            mail.send(to=to, subject="Delete Your Dify Account", html=html_content)
+        html_content = render_template("delete_account_code_email_template_en-US.html", to=to, code=code)
+        mail.send(to=to, subject="Dify.AI Account Deletion and Verification", html=html_content)
 
         end_at = time.perf_counter()
         logging.info(