diff --git a/backend/open_webui/routers/tasks.py b/backend/open_webui/routers/tasks.py
index 39fca43d3..14a6c4286 100644
--- a/backend/open_webui/routers/tasks.py
+++ b/backend/open_webui/routers/tasks.py
@@ -186,20 +186,9 @@ async def generate_title(
     else:
         template = DEFAULT_TITLE_GENERATION_PROMPT_TEMPLATE
 
-    messages = form_data["messages"]
-
-    # Remove reasoning details from the messages
-    for message in messages:
-        message["content"] = re.sub(
-            r"<details\s+type=\"reasoning\"[^>]*>.*?<\/details>",
-            "",
-            message["content"],
-            flags=re.S,
-        ).strip()
-
     content = title_generation_template(
         template,
-        messages,
+        form_data["messages"],
         {
             "name": user.name,
             "location": user.info.get("location") if user.info else None,
diff --git a/backend/open_webui/utils/middleware.py b/backend/open_webui/utils/middleware.py
index 2ab73292c..55e3a0d92 100644
--- a/backend/open_webui/utils/middleware.py
+++ b/backend/open_webui/utils/middleware.py
@@ -977,6 +977,20 @@ async def process_chat_response(
         if message:
             messages = get_message_list(message_map, message.get("id"))
 
+            # Remove reasoning details and files from the messages.
+            # as get_message_list creates a new list, it does not affect
+            # the original messages outside of this handler
+            for message in messages:
+                message["content"] = re.sub(
+                    r"<details\s+type=\"reasoning\"[^>]*>.*?<\/details>",
+                    "",
+                    message["content"],
+                    flags=re.S,
+                ).strip()
+
+                if message.get("files"):
+                    message["files"] = []
+
             if tasks and messages:
                 if TASKS.TITLE_GENERATION in tasks:
                     if tasks[TASKS.TITLE_GENERATION]: