diff --git a/src/app/core/config.py b/src/app/core/config.py
index e67169a..ce77ff0 100644
--- a/src/app/core/config.py
+++ b/src/app/core/config.py
@@ -25,39 +25,13 @@ class DatabaseSettings(BaseSettings):
     pass
 
 
-class SQLiteSettings(DatabaseSettings):
-    SQLITE_URI: str = "./sql_app.db"
-    SQLITE_SYNC_PREFIX: str = "sqlite:///"
-    SQLITE_ASYNC_PREFIX: str = "sqlite+aiosqlite:///"
-
-
-class MySQLSettings(DatabaseSettings):
-    MYSQL_USER: str = "username"
-    MYSQL_PASSWORD: str = "password"
-    MYSQL_SERVER: str = "localhost"
-    MYSQL_PORT: int = 5432
-    MYSQL_DB: str = "dbname"
-    MYSQL_SYNC_PREFIX: str = "mysql://"
-    MYSQL_ASYNC_PREFIX: str = "mysql+aiomysql://"
-    MYSQL_URL: str | None = None
-
-    @computed_field  # type: ignore[prop-decorator]
-    @property
-    def MYSQL_URI(self) -> str:
-        credentials = f"{self.MYSQL_USER}:{self.MYSQL_PASSWORD}"
-        location = f"{self.MYSQL_SERVER}:{self.MYSQL_PORT}/{self.MYSQL_DB}"
-        return f"{credentials}@{location}"
-
-
 class PostgresSettings(DatabaseSettings):
     POSTGRES_USER: str = "postgres"
     POSTGRES_PASSWORD: str = "postgres"
     POSTGRES_SERVER: str = "localhost"
     POSTGRES_PORT: int = 5432
     POSTGRES_DB: str = "postgres"
-    POSTGRES_SYNC_PREFIX: str = "postgresql://"
     POSTGRES_ASYNC_PREFIX: str = "postgresql+asyncpg://"
-    POSTGRES_URL: str | None = None
 
     @computed_field  # type: ignore[prop-decorator]
     @property
@@ -66,6 +40,11 @@ def POSTGRES_URI(self) -> str:
         location = f"{self.POSTGRES_SERVER}:{self.POSTGRES_PORT}/{self.POSTGRES_DB}"
         return f"{credentials}@{location}"
 
+    @computed_field  # type: ignore[prop-decorator]
+    @property
+    def POSTGRES_URL(self) -> str:
+        return f"{self.POSTGRES_ASYNC_PREFIX}{self.POSTGRES_URI}"
+
 
 class FirstUserSettings(BaseSettings):
     ADMIN_NAME: str = "admin"
@@ -151,7 +130,6 @@ class CORSSettings(BaseSettings):
 
 class Settings(
     AppSettings,
-    SQLiteSettings,
     PostgresSettings,
     CryptSettings,
     FirstUserSettings,
diff --git a/src/app/core/db/database.py b/src/app/core/db/database.py
index b95ab3b..9d08287 100644
--- a/src/app/core/db/database.py
+++ b/src/app/core/db/database.py
@@ -11,9 +11,7 @@ class Base(DeclarativeBase, MappedAsDataclass):
     pass
 
 
-DATABASE_URI = settings.POSTGRES_URI
-DATABASE_PREFIX = settings.POSTGRES_ASYNC_PREFIX
-DATABASE_URL = f"{DATABASE_PREFIX}{DATABASE_URI}"
+DATABASE_URL = settings.POSTGRES_URL
 
 
 async_engine = create_async_engine(DATABASE_URL, echo=False, future=True)
diff --git a/tests/conftest.py b/tests/conftest.py
index 22038f1..831dfe8 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -13,10 +13,10 @@
 from src.app.core.config import settings
 from src.app.main import app
 
-DATABASE_URI = settings.POSTGRES_URI
-DATABASE_PREFIX = settings.POSTGRES_SYNC_PREFIX
+DATABASE_URL = settings.POSTGRES_URL
 
-sync_engine = create_engine(DATABASE_PREFIX + DATABASE_URI)
+
+sync_engine = create_engine(DATABASE_URL)
 local_session = sessionmaker(autocommit=False, autoflush=False, bind=sync_engine)