diff --git a/lnbits/core/models.py b/lnbits/core/models.py
index 65c72b419..138a39f71 100644
--- a/lnbits/core/models.py
+++ b/lnbits/core/models.py
@@ -4,13 +4,13 @@ import hmac
 import json
 import time
 from sqlite3 import Row
-from typing import Dict, List, NamedTuple, Optional
+from typing import Dict, List, Optional
 
 from ecdsa import SECP256k1, SigningKey  # type: ignore
 from fastapi import Query
 from lnurl import encode as lnurl_encode  # type: ignore
 from loguru import logger
-from pydantic import BaseModel, Extra, validator
+from pydantic import BaseModel
 
 from lnbits.db import Connection
 from lnbits.helpers import url_for
diff --git a/lnbits/core/services.py b/lnbits/core/services.py
index 336d26651..3f02a84e3 100644
--- a/lnbits/core/services.py
+++ b/lnbits/core/services.py
@@ -15,9 +15,7 @@ from lnbits import bolt11
 from lnbits.db import Connection
 from lnbits.decorators import (
     WalletTypeInfo,
-    get_key_type,
     require_admin_key,
-    require_invoice_key,
 )
 from lnbits.helpers import url_for, urlsafe_short_hash
 from lnbits.requestvars import g
diff --git a/lnbits/core/tasks.py b/lnbits/core/tasks.py
index b57e26257..e11f764b9 100644
--- a/lnbits/core/tasks.py
+++ b/lnbits/core/tasks.py
@@ -4,7 +4,6 @@ from typing import Dict
 import httpx
 from loguru import logger
 
-from lnbits.helpers import get_current_extension_name
 from lnbits.tasks import SseListenersDict, register_invoice_listener
 
 from . import db
diff --git a/lnbits/core/views/api.py b/lnbits/core/views/api.py
index 85bc394f7..ed2c26e4f 100644
--- a/lnbits/core/views/api.py
+++ b/lnbits/core/views/api.py
@@ -38,7 +38,7 @@ from lnbits.decorators import (
     require_admin_key,
     require_invoice_key,
 )
-from lnbits.helpers import url_for, urlsafe_short_hash
+from lnbits.helpers import url_for
 from lnbits.settings import get_wallet_class, settings
 from lnbits.utils.exchange_rates import (
     currencies,
@@ -48,14 +48,11 @@ from lnbits.utils.exchange_rates import (
 
 from .. import core_app, db
 from ..crud import (
-    create_payment,
     get_payments,
     get_standalone_payment,
     get_total_balance,
-    get_wallet,
     get_wallet_for_key,
     save_balance_check,
-    update_payment_status,
     update_wallet,
 )
 from ..services import (
diff --git a/lnbits/core/views/public_api.py b/lnbits/core/views/public_api.py
index 9b0ebc98b..56afc1765 100644
--- a/lnbits/core/views/public_api.py
+++ b/lnbits/core/views/public_api.py
@@ -6,7 +6,6 @@ from urllib.parse import urlparse
 from fastapi import HTTPException
 from loguru import logger
 from starlette.requests import Request
-from starlette.responses import HTMLResponse
 
 from lnbits import bolt11