diff --git a/auth/models.py b/auth/models.py
index 8a86691..c137064 100644
--- a/auth/models.py
+++ b/auth/models.py
@@ -6,6 +6,7 @@ from pydantic import BaseModel
 from fastapi import Depends, HTTPException
 from typing import Annotated, Optional
 from fastapi.security import OAuth2PasswordBearer
+from passlib.context import CryptContext
 import jwt
 from sqlmodel import SQLModel, Field, Session, select
 from pydantic.networks import EmailStr
@@ -93,7 +94,7 @@ def create_access_token(
     to_encode = data.copy()
     expire = datetime.now(timezone.utc) + expires_delta
     to_encode.update({"exp": expire})
-    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm="HS256")
     return encoded_jwt
 
 
@@ -118,7 +119,7 @@ async def get_current_user(
         headers={"WWW-Authenticate": "Bearer"},
     )
     try:
-        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        payload = jwt.decode(token, SECRET_KEY, algorithms=["HS256"])
         token_data = TokenData(**payload)
         username: Optional[str] = payload.get("sub")
         if username is None:
diff --git a/auth/router.py b/auth/router.py
index 2e1a25d..462da69 100644
--- a/auth/router.py
+++ b/auth/router.py
@@ -49,7 +49,7 @@ async def login_for_access_token(
             detail="Incorrect username or password",
             headers={"WWW-Authenticate": "Bearer"},
         )
-    access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token_expires = timedelta(minutes=30)
     access_token = create_access_token(
         data={"sub": user.username, "role": user.role, 'status': user.status}, expires_delta=access_token_expires
     )
diff --git a/config.py b/config.py
index b2fcaf3..07d6e59 100644
--- a/config.py
+++ b/config.py
@@ -29,15 +29,7 @@ def get_session_db():
         yield session
 
 
-
 ### SECRET KEY ###
-SECRET_KEY = os.getenv("SECRET_KEY")
-ALGORITHM = os.getenv("ALGORITHM")
-ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES"))
-
-
-pwd_context = CryptContext(schemes=[f"{os.getenv('CRYPTO_TYPE')}"], deprecated="auto")
-
 origins = [
     "http://localhost",
     "http://localhost:8080",