diff --git a/main.py b/main.py
index 859da49..3445756 100644
--- a/main.py
+++ b/main.py
@@ -14,9 +14,6 @@ logger = logging.getLogger(__name__)
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    await delete_tables()
-    logger.info("База данных очищена")
-    await create_tables()
     logger.info("База данных готова к работе")
     yield
     logger.info("Выключение")
diff --git a/model.py b/model.py
index 714f4eb..922b02f 100644
--- a/model.py
+++ b/model.py
@@ -1,7 +1,6 @@
 import pickle
 import numpy as np
 import tensorflow as tf
-from keras.src.legacy.preprocessing.text import Tokenizer
 from keras.src.utils import pad_sequences
 
 from enums import TypeMood, TypeModel
diff --git a/repository.py b/repository.py
index df09748..0d09d4b 100644
--- a/repository.py
+++ b/repository.py
@@ -42,7 +42,7 @@ class QuestionRepository:
             query = select(QuestionOrm).where(QuestionOrm.email_user == data.email_user)
             result = await session.execute(query)
             user_questions = result.scalars().all()
-            if len(user_questions) > 10:
+            if len(user_questions) > 100:
                 # Удаление самой старой записи
                 oldest_question = min(user_questions, key=lambda q: q.question_time)
                 await session.delete(oldest_question)
diff --git a/router_class.py b/router_class.py
index 686d129..7a5b313 100644
--- a/router_class.py
+++ b/router_class.py
@@ -1,10 +1,6 @@
-import pandas as pd
 from fastapi import APIRouter
 from typing import List
 
-from enums import TypeMood
-from schemas import Review
-
 router = APIRouter(
     prefix="/class",
     tags=["Class"],