diff --git a/functions/base.py b/functions/base.py
index fa4d546..c7c4a00 100644
--- a/functions/base.py
+++ b/functions/base.py
@@ -1,8 +1,7 @@
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, text
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 from pathlib import Path
-import os
 
 # Configurar caminho do banco de dados
 db_dir = Path.home() / '.local' / 'share' / 'controles'
@@ -24,10 +23,14 @@ Session = sessionmaker(bind=engine)
 Base = declarative_base()
 
 def get_db_connection():
-    """Retorna uma nova sessão do banco de dados"""
+    """Retorna uma nova sessão do banco de dados com PRAGMAs configuradas"""
     session = Session()
     try:
+        # Configurar SQLite para melhor tratamento de concorrência
+        session.execute(text("PRAGMA journal_mode=WAL"))
+        session.execute(text("PRAGMA busy_timeout=5000"))
         return session
     except Exception as e:
         session.rollback()
-        raise e 
\ No newline at end of file
+        session.close()
+        raise e
diff --git a/functions/database.py b/functions/database.py
index 50f9b0e..e754890 100644
--- a/functions/database.py
+++ b/functions/database.py
@@ -1,42 +1,17 @@
 from datetime import datetime, timedelta
 from werkzeug.security import generate_password_hash, check_password_hash
-from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Numeric, Date, Enum, create_engine, text
-from sqlalchemy.orm import sessionmaker, relationship, backref
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, Numeric, Date, Enum
+from sqlalchemy.orm import relationship, backref
 import os
 import pyotp
-from pathlib import Path
-from sqlalchemy.pool import NullPool
 import secrets
 from flask_mail import Message
 from flask import url_for
 import enum
 from flask_login import UserMixin
-from .rbac import Role, Permission, role_permissions, user_roles
-from .base import Base, engine, Session
-import logging
+from .rbac import Role
+from .base import Base, engine, get_db_connection
 
-# Configurar caminho do banco de dados
-db_dir = Path.home() / '.local' / 'share' / 'controles'
-db_dir.mkdir(parents=True, exist_ok=True)
-db_path = db_dir / 'database.db'
-
-DATABASE_URL = f"sqlite:///{db_path}"
-engine = create_engine(DATABASE_URL)
-SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
-
-def get_db_connection():
-    """Retorna uma nova sessão do banco de dados"""
-    Session = sessionmaker(bind=engine)
-    db = Session()
-    
-    try:
-        # Configurar SQLite para melhor tratamento de concorrência
-        db.execute(text("PRAGMA journal_mode=WAL"))
-        db.execute(text("PRAGMA busy_timeout=5000"))
-        return db
-    except:
-        db.close()
-        raise
 
 def execute_query(query, params=None):
     """
@@ -742,4 +717,4 @@ def init_database():
         session.close()
 
 if __name__ == "__main__":
-    init_database()
\ No newline at end of file
+    init_database()
diff --git a/seed_data.py b/seed_data.py
index d541d26..e596282 100644
--- a/seed_data.py
+++ b/seed_data.py
@@ -2,9 +2,9 @@ from datetime import datetime, timedelta
 from functions.database import (
     Base, Militante, CotaMensal, TipoPagamento, Pagamento,
     MaterialVendido, TipoMaterial, VendaJornalAvulso, AssinaturaAnual,
-    RelatorioCotasMensais, RelatorioVendasMateriais, engine, SessionLocal,
+    RelatorioCotasMensais, RelatorioVendasMateriais,
     Setor, ComiteCentral, Usuario, Role, EmailMilitante, Endereco,
-    ComiteRegional, Celula, EstadoMilitante
+    ComiteRegional, Celula, EstadoMilitante, get_db_connection
 )
 import random
 from faker import Faker
@@ -302,7 +302,7 @@ def criar_assinaturas(session, militantes):
 
 def seed_database():
     """Função principal para popular o banco de dados"""
-    session = SessionLocal()
+    session = get_db_connection()
     try:
         print("Iniciando população do banco de dados...")