diff --git a/api/controllers/console/app/app_asset.py b/api/controllers/console/app/app_asset.py
index 3501fc0fcb..2e718809ff 100644
--- a/api/controllers/console/app/app_asset.py
+++ b/api/controllers/console/app/app_asset.py
@@ -4,7 +4,6 @@ from pydantic import BaseModel, Field, field_validator
 
 from controllers.console import console_ns
 from controllers.console.app.error import (
-    AppAssetFileRequiredError,
     AppAssetNodeNotFoundError,
     AppAssetPathConflictError,
 )
@@ -131,31 +130,6 @@ class AppAssetFolderResource(Resource):
             raise AppAssetPathConflictError()
 
 
-@console_ns.route("/apps/<string:app_id>/assets/files")
-class AppAssetFileResource(Resource):
-    @setup_required
-    @login_required
-    @account_initialization_required
-    @get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
-    def post(self, app_model: App):
-        current_user, _ = current_account_with_tenant()
-
-        file = request.files.get("file")
-        if not file:
-            raise AppAssetFileRequiredError()
-
-        payload = CreateFilePayload.model_validate(request.form.to_dict())
-        content = file.read()
-
-        try:
-            node = AppAssetService.create_file(app_model, current_user.id, payload.name, content, payload.parent_id)
-            return node.model_dump(), 201
-        except AppAssetParentNotFoundError:
-            raise AppAssetNodeNotFoundError()
-        except ServicePathConflictError:
-            raise AppAssetPathConflictError()
-
-
 @console_ns.route("/apps/<string:app_id>/assets/files/<string:node_id>")
 class AppAssetFileDetailResource(Resource):
     @setup_required
@@ -339,9 +313,7 @@ class AppAssetBatchUploadResource(Resource):
         payload = BatchUploadPayload.model_validate(console_ns.payload or {})
 
         try:
-            result_children = AppAssetService.batch_create_from_tree(
-                app_model, current_user.id, payload.children
-            )
+            result_children = AppAssetService.batch_create_from_tree(app_model, current_user.id, payload.children)
             return {"children": [child.model_dump() for child in result_children]}, 201
         except AppAssetParentNotFoundError:
             raise AppAssetNodeNotFoundError()
diff --git a/api/services/app_asset_service.py b/api/services/app_asset_service.py
index e215fc2b55..c847bdfc4d 100644
--- a/api/services/app_asset_service.py
+++ b/api/services/app_asset_service.py
@@ -223,47 +223,6 @@ class AppAssetService:
 
             return node
 
-    # FIXME(Mairuis): migrate to get_file_upload_url / get_file_upload_urls API
-    @staticmethod
-    def create_file(
-        app_model: App,
-        account_id: str,
-        name: str,
-        content: bytes,
-        parent_id: str | None = None,
-    ) -> AppAssetNode:
-        with AppAssetService._lock(app_model.id):
-            with Session(db.engine, expire_on_commit=False) as session:
-                assets = AppAssetService.get_or_create_assets(session, app_model, account_id)
-                tree = assets.asset_tree
-
-                node_id = str(uuid4())
-                node = AppAssetNode.create_file(node_id, name, parent_id, len(content))
-
-                try:
-                    tree.add(node)
-                except TreeParentNotFoundError as e:
-                    raise AppAssetParentNotFoundError(str(e)) from e
-                except TreePathConflictError as e:
-                    raise AppAssetPathConflictError(str(e)) from e
-
-                storage_key = AssetPaths.draft_file(app_model.tenant_id, app_model.id, node_id)
-                storage.save(storage_key, content)
-
-                assets.asset_tree = tree
-                assets.updated_by = account_id
-                session.commit()
-
-                cache_key = AppAssetService._draft_storage_key_for_node(
-                    app_model.tenant_id,
-                    app_model.id,
-                    assets.id,
-                    node,
-                )
-                AppAssetService._clear_draft_download_cache([cache_key])
-
-            return node
-
     @staticmethod
     def get_file_content(app_model: App, account_id: str, node_id: str) -> bytes:
         with Session(db.engine) as session: