diff --git a/src/covid19/blueprints/admin/admin_views.py b/src/covid19/blueprints/admin/admin_views.py
index 53bbd704452c2cd5214bbf291ef4fbed4b2724b2..697616dba380ccc265d19175d6d08beac15612d2 100644
--- a/src/covid19/blueprints/admin/admin_views.py
+++ b/src/covid19/blueprints/admin/admin_views.py
@@ -1,9 +1,8 @@
 from flask import render_template, redirect, url_for, flash, Blueprint
 from celery import states
 from celery.utils.log import get_task_logger
-from flask_admin.contrib.sqla import ModelView
 
-from database import app, admin, db
+from database import app
 from covid19.blueprints.application.application_services import who_service, ecdc_service, rki_vaccination_service
 from covid19.blueprints.application.application_services import rki_service_bundeslaender, rki_service_landkreise
 from covid19.blueprints.application.application_services import admin_service, owid_service
diff --git a/src/covid19/blueprints/application/application_model.py b/src/covid19/blueprints/application/application_model.py
index 7af9a69eb40f267c29a863971f134d42eb1f2bdd..33fbf81dd9b0d3cc1c8fced40b0e9bb8146f8a96 100644
--- a/src/covid19/blueprints/application/application_model.py
+++ b/src/covid19/blueprints/application/application_model.py
@@ -1,7 +1,5 @@
-from sqlalchemy import and_, func
-from datetime import date, datetime, time
+from datetime import date, datetime
 from database import db, ITEMS_PER_PAGE
-from sqlalchemy.orm import joinedload
 
 
 class ApplicationDateReported(db.Model):
diff --git a/src/covid19/blueprints/application/application_workers.py b/src/covid19/blueprints/application/application_workers.py
index b7b7ceaf21f0a8a423146b739343afb87873411a..51fbe15c1772da2f67973d84e83daef67a0d0a47 100644
--- a/src/covid19/blueprints/application/application_workers.py
+++ b/src/covid19/blueprints/application/application_workers.py
@@ -1,7 +1,6 @@
 import sys
-import subprocess
 from covid19 import app
-from database import create_celery, run_run_with_debug, port, db
+from database import create_celery, db
 from covid19.blueprints.application.application_services import user_service
 from covid19.blueprints.application.application_service import ApplicationService
 
diff --git a/src/covid19/blueprints/ecdc/ecdc_model.py b/src/covid19/blueprints/ecdc/ecdc_model.py
index 055aac10dff6b609fd8759f6efa140fd8484e49b..3d82d4fe9de24cb494612105f42584e6f329442d 100644
--- a/src/covid19/blueprints/ecdc/ecdc_model.py
+++ b/src/covid19/blueprints/ecdc/ecdc_model.py
@@ -1,5 +1,4 @@
 from sqlalchemy import and_
-from datetime import date
 from database import db, ITEMS_PER_PAGE
 from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
 
diff --git a/src/covid19/blueprints/ecdc/ecdc_views.py b/src/covid19/blueprints/ecdc/ecdc_views.py
index 41545393339027fb6829b9d4558757d57fd2bf03..a7e011edf9d0beba1cf81fd1f0672e43532ad2d3 100644
--- a/src/covid19/blueprints/ecdc/ecdc_views.py
+++ b/src/covid19/blueprints/ecdc/ecdc_views.py
@@ -3,7 +3,7 @@ from celery import states
 from celery.utils.log import get_task_logger
 from flask_admin.contrib.sqla import ModelView
 
-from database import app, admin, db
+from database import admin, db
 from covid19.blueprints.application.application_services import ecdc_service
 from covid19.blueprints.application.application_workers import celery
 
diff --git a/src/covid19/blueprints/owid/owid_model.py b/src/covid19/blueprints/owid/owid_model.py
index e9b03ad3d34a2d67bd2563ce7d74ec765f6ef3dd..5dcfee1d077fc4390d85d86a8e5eaa9488394562 100644
--- a/src/covid19/blueprints/owid/owid_model.py
+++ b/src/covid19/blueprints/owid/owid_model.py
@@ -1,7 +1,6 @@
-from sqlalchemy import and_, func
+from sqlalchemy import and_
 from datetime import date
-from sqlalchemy.orm import joinedload, load_only, defaultload, defer, undefer, query_expression, subqueryload
-from sqlalchemy.sql import select
+from sqlalchemy.orm import joinedload, subqueryload
 
 from database import db, ITEMS_PER_PAGE
 from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
diff --git a/src/covid19/blueprints/owid/owid_model_import.py b/src/covid19/blueprints/owid/owid_model_import.py
index d3b47020e7b3d2fdaabea376cad0f6b4e26f0ba7..059bfa6a1a90160cf1fca5bdee39f9bb0afdf4ee 100644
--- a/src/covid19/blueprints/owid/owid_model_import.py
+++ b/src/covid19/blueprints/owid/owid_model_import.py
@@ -1,7 +1,4 @@
-from sqlalchemy.orm import Load
-from sqlalchemy import func
 from sqlalchemy.orm import Bundle
-from sqlalchemy.orm.strategy_options import load_only
 from database import db, ITEMS_PER_PAGE
 
 
diff --git a/src/covid19/blueprints/owid_test/owid_test_service.py b/src/covid19/blueprints/owid_test/owid_test_service.py
index 9640cb2c712deda87607b60798a8a9cbeebaaa2f..05d7c2ad5ee3a48b55e45f94c8a1ac206343f13e 100644
--- a/src/covid19/blueprints/owid_test/owid_test_service.py
+++ b/src/covid19/blueprints/owid_test/owid_test_service.py
@@ -1,12 +1,7 @@
-from flask import flash
-
 from database import app
 
 from covid19.blueprints.application.application_service_config import ApplicationServiceConfig
-from covid19.blueprints.application.application_service_download import ApplicationServiceDownload
-from covid19.blueprints.owid.owid_service_import import OwidServiceImport
-from covid19.blueprints.owid.owid_service_update import OwidServiceUpdate
-from covid19.blueprints.owid.owid_model import OwidDateReported, OwidContinent, OwidCountry, OwidData
+from covid19.blueprints.owid.owid_model import OwidDateReported, OwidData
 
 
 class OwidTestService:
diff --git a/src/covid19/blueprints/owid_test/owid_test_views.py b/src/covid19/blueprints/owid_test/owid_test_views.py
index 00837ed80fe8378ede9a14e1729c61cd60165533..27dec415c8b952eb2dc309512eb91ea97b0fcf20 100644
--- a/src/covid19/blueprints/owid_test/owid_test_views.py
+++ b/src/covid19/blueprints/owid_test/owid_test_views.py
@@ -1,14 +1,12 @@
 from flask import render_template, redirect, url_for, flash, Blueprint
-from sqlalchemy.exc import OperationalError
 from celery import states
 from celery.utils.log import get_task_logger
-from flask_admin.contrib.sqla import ModelView
 from flask_login import login_required
 
-from database import app, admin, db
+from database import app, db
 from covid19.blueprints.application.application_services import owid_service
 from covid19.blueprints.application.application_workers import celery
-from covid19.blueprints.owid.owid_model import OwidDateReported, OwidData, OwidContinent, OwidCountry
+from covid19.blueprints.owid.owid_model import OwidData
 from covid19.blueprints.owid.owid_model_import import OwidImport
 from covid19.blueprints.application.application_model_transient import ApplicationPage
 
diff --git a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_model.py b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_model.py
index 8c2d1016a65079092a935cd55b7f5afeb6863b2d..b5acfbd58a8ad4c68d683ee06f15c7d8929a285e 100644
--- a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_model.py
+++ b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_model.py
@@ -1,7 +1,3 @@
-from sqlalchemy import and_
-from datetime import date
-from sqlalchemy.orm import joinedload
-
 from database import db, ITEMS_PER_PAGE
 
 
diff --git a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_service_import.py b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_service_import.py
index c6cbf8765b5e3164a89880dd364c97a22e7f98c7..44e8bdfffd5d4289e9e5c534f4553ef5e751ed6b 100644
--- a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_service_import.py
+++ b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_service_import.py
@@ -1,4 +1,3 @@
-import sys
 import csv
 import psycopg2
 
diff --git a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_views.py b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_views.py
index dfcf6b68500b2554a20c53cbe213b86820f05ed0..2897819303e0509f374731100c9f1392a7d54b18 100644
--- a/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_views.py
+++ b/src/covid19/blueprints/rki/rki_landkreise/rki_landkreise_views.py
@@ -7,7 +7,6 @@ from database import app, admin, db
 
 from covid19.blueprints.application.application_workers import celery
 from covid19.blueprints.application.application_services import rki_service_landkreise
-from covid19.blueprints.application.application_model import RkiDateReported
 from covid19.blueprints.rki.rki_landkreise.rki_landkreise_model import RkiLandkreise
 from covid19.blueprints.rki.rki_landkreise.rki_landkreise_model_import import RkiLandkreiseImport
 from covid19.blueprints.application.application_model_transient import ApplicationPage
diff --git a/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_service_import.py b/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_service_import.py
index a4e4bf02ad621074caa385e88b48adbe284c0c8d..06faaed67b4a97e4f6233bd1ada8fe26b7d05d5b 100644
--- a/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_service_import.py
+++ b/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_service_import.py
@@ -1,4 +1,3 @@
-import os
 import csv
 import psycopg2
 
diff --git a/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_views.py b/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_views.py
index 9c89afac0a56a34081126bebed83372fdec7ced7..7b684f587cdd5d73516cedfb25911554861c10f9 100644
--- a/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_views.py
+++ b/src/covid19/blueprints/rki/rki_vaccination/rki_vaccination_views.py
@@ -3,7 +3,7 @@ from celery import states
 from celery.utils.log import get_task_logger
 from flask_admin.contrib.sqla import ModelView
 
-from database import app, admin, db
+from database import admin, db
 from covid19.blueprints.application.application_services import rki_vaccination_service
 from covid19.blueprints.application.application_workers import celery
 
diff --git a/src/covid19/blueprints/user/user_model.py b/src/covid19/blueprints/user/user_model.py
index 9fbf6eb71d68872dd299ef20c6ed0847ce7b2735..f15590698e51a62d67244915a392667cad62b9cd 100644
--- a/src/covid19/blueprints/user/user_model.py
+++ b/src/covid19/blueprints/user/user_model.py
@@ -1,14 +1,9 @@
-from sqlalchemy import and_, func
-from datetime import date
 from database import db, ITEMS_PER_PAGE
-from sqlalchemy.orm import joinedload
 from flask_login import UserMixin, AnonymousUserMixin
-from wtforms import Form, BooleanField, StringField, validators
+from wtforms import validators
 from werkzeug.security import generate_password_hash, check_password_hash
 from flask_wtf import FlaskForm
 from wtforms import StringField, PasswordField, BooleanField, SubmitField
-from wtforms.validators import ValidationError, DataRequired, Email, EqualTo
-from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
 
 
 class User(UserMixin, db.Model):
diff --git a/src/covid19/blueprints/user/user_service.py b/src/covid19/blueprints/user/user_service.py
index 61ce87194d99ff6635769579f1ea8e882db7c4b9..240d6acfafc26b01f370996a56acf7edf3ac600a 100644
--- a/src/covid19/blueprints/user/user_service.py
+++ b/src/covid19/blueprints/user/user_service.py
@@ -1,7 +1,3 @@
-from flask import flash
-from flask_login import login_manager
-from werkzeug.security import generate_password_hash, check_password_hash
-
 from database import app
 from covid19.blueprints.user.user_model import User, LoginForm
 
diff --git a/src/covid19/blueprints/user/user_views.py b/src/covid19/blueprints/user/user_views.py
index 76eafe67de49456e0a8c024ffcccc767c647f22f..e1b15b42130a68881a3f33e2baf2dd74a45eee2e 100644
--- a/src/covid19/blueprints/user/user_views.py
+++ b/src/covid19/blueprints/user/user_views.py
@@ -1,16 +1,12 @@
 from flask import render_template, redirect, url_for, flash, Blueprint
 from sqlalchemy.exc import OperationalError
-from celery import states
-from celery.utils.log import get_task_logger
 from flask_admin.contrib.sqla import ModelView
-from flask_login import AnonymousUserMixin, login_required, login_user, logout_user
+from flask_login import login_required, logout_user
 from flask_login import current_user, login_user
 import flask
 
 
-from database import app, admin, db, login_manager
-from covid19.blueprints.application.application_services import user_service
-from covid19.blueprints.application.application_workers import celery
+from database import admin, db, login_manager
 
 from covid19.blueprints.user.user_model import User, LoginForm
 from covid19.blueprints.application.application_model_transient import ApplicationPage
diff --git a/src/covid19/blueprints/who/who_model.py b/src/covid19/blueprints/who/who_model.py
index dac88da082ee330e8415f148d23f978f46c36d29..39165196fef00ad3fff4ba5e75cd6dcc31ff0847 100644
--- a/src/covid19/blueprints/who/who_model.py
+++ b/src/covid19/blueprints/who/who_model.py
@@ -1,7 +1,6 @@
-from sqlalchemy import and_, func
+from sqlalchemy import and_
 from datetime import date
-from sqlalchemy.orm import joinedload, load_only, defaultload, defer, undefer, query_expression, subqueryload
-from sqlalchemy.sql import select
+from sqlalchemy.orm import joinedload, subqueryload
 from database import db, ITEMS_PER_PAGE
 from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
 
diff --git a/src/covid19/blueprints/who/who_model_import.py b/src/covid19/blueprints/who/who_model_import.py
index fb5e3da53079181ba43f0051aa29ccf4f66e7643..e02f126124a98d927742d43301a08152b4d22a7a 100644
--- a/src/covid19/blueprints/who/who_model_import.py
+++ b/src/covid19/blueprints/who/who_model_import.py
@@ -1,7 +1,4 @@
-from sqlalchemy.orm import Load
-from sqlalchemy import func
 from sqlalchemy.orm import Bundle
-from sqlalchemy.orm.strategy_options import load_only
 from database import db, ITEMS_PER_PAGE
 
 
diff --git a/src/covid19/blueprints/who_test/who_test_service.py b/src/covid19/blueprints/who_test/who_test_service.py
index 26a1be175c6b29235316cf9fc59887aacd5c697e..565d5e8ef3788311980df2f3c9d1328da43c2e33 100644
--- a/src/covid19/blueprints/who_test/who_test_service.py
+++ b/src/covid19/blueprints/who_test/who_test_service.py
@@ -1,5 +1,3 @@
-from flask import flash
-
 from database import app
 from covid19.blueprints.application.application_service_config import ApplicationServiceConfig
 from covid19.blueprints.who.who_model import WhoDateReported, WhoData
diff --git a/src/covid19/blueprints/who_test/who_test_views.py b/src/covid19/blueprints/who_test/who_test_views.py
index 5445165d693672773f5162795a3e69f17ce4b160..d6126688609c498307d04b51dfafa94c7700a2a6 100644
--- a/src/covid19/blueprints/who_test/who_test_views.py
+++ b/src/covid19/blueprints/who_test/who_test_views.py
@@ -1,20 +1,16 @@
 from flask import render_template, redirect, url_for, flash, Blueprint
-from sqlalchemy.exc import OperationalError
 from celery import states
 from celery.utils.log import get_task_logger
-from flask_admin.contrib.sqla import ModelView
 from flask_login import login_required
 
-from database import app, admin, db
+from database import app, db
 from covid19.blueprints.application.application_services import who_service
 from covid19.blueprints.application.application_workers import celery
 
 from covid19.blueprints.who.who_model_import import WhoImport
-from covid19.blueprints.who.who_model import WhoRegion, WhoCountry, WhoDateReported, WhoData
+from covid19.blueprints.who.who_model import WhoData
 from covid19.blueprints.application.application_model_transient import ApplicationPage
 
-from covid19.blueprints.who.who_views import app_who
-
 from covid19.blueprints.who_test.who_test_service import WhoTestService
 
 who_test_service = WhoTestService(db, who_service)
diff --git a/src/web/web.py b/src/web/web.py
index 657bfe442e03b1c567b4d6e33fb13817604374f3..cd585a01856241f70b281dfaef753b9d651928d7 100644
--- a/src/web/web.py
+++ b/src/web/web.py
@@ -1,7 +1,3 @@
-from database import app, run_run_with_debug, port
-import covid19
-import covid19.blueprints.application.application_views
-
 from covid19 import run_web
 
 # ---------------------------------------------------------------------------------