diff --git a/database.py b/database.py
index dc48a5cad7f9ddfeafcb757b9f69be37b649551e..92f2a1d2de983288e7ad4257b54093925427b05e 100644
--- a/database.py
+++ b/database.py
@@ -1,7 +1,6 @@
 from flask import Flask
 from flask_cors import CORS
 from flask_sqlalchemy import SQLAlchemy
-from datetime import date
 
 app = Flask('app')
 CORS(app)
@@ -31,12 +30,3 @@ my_logging_config = {
         }
     }
 run_run_with_debug = app.config['APP_DEBUGGER_ACTIVE']
-
-
-def transform_datum(my_date_reported):
-    my_date_reported = my_date_reported.split("-")
-    my_year = int(my_date_reported[0])
-    my_month = int(my_date_reported[1])
-    my_day = int(my_date_reported[2])
-    my_datum = date(my_year, my_month, my_day)
-    return my_datum
diff --git a/org/woehlke/covid19/europe/europe_model.py b/org/woehlke/covid19/europe/europe_model.py
index 9fc75c5ec35506e19c2a48fbfc32361ff0443771..c493061c52215865b43b35a9f5995b92e6b2cd85 100644
--- a/org/woehlke/covid19/europe/europe_model.py
+++ b/org/woehlke/covid19/europe/europe_model.py
@@ -1,4 +1,3 @@
-import uuid
 from sqlalchemy import and_
 from datetime import date
 from database import db, ITEMS_PER_PAGE
diff --git a/org/woehlke/covid19/europe/europe_service.py b/org/woehlke/covid19/europe/europe_service.py
index 295cd52d503e6201ecd304c40aef82650f71c71c..19bc64a38022d15b20fd1fd8e5d80d746b1e7846 100644
--- a/org/woehlke/covid19/europe/europe_service.py
+++ b/org/woehlke/covid19/europe/europe_service.py
@@ -1,9 +1,5 @@
 import os
-import csv
-import psycopg2
-import wget
-from database import db, app
-from org.woehlke.covid19.europe.europe_model import EuropeDataImportTable
+from database import app
 from org.woehlke.covid19.europe.europe_service_download import EuropeServiceDownload
 from org.woehlke.covid19.europe.europe_service_import import EuropeServiceImport
 from org.woehlke.covid19.europe.europe_service_update import EuropeServiceUpdate
diff --git a/org/woehlke/covid19/rki/rki_model.py b/org/woehlke/covid19/rki/rki_model.py
index ded473d55d6c542bdae7c231417f4c13dfe79a41..d7e48c2c17ea2032180e2d5c377a957e282cf550 100644
--- a/org/woehlke/covid19/rki/rki_model.py
+++ b/org/woehlke/covid19/rki/rki_model.py
@@ -1,4 +1,3 @@
-import uuid
 from sqlalchemy import and_, func
 from datetime import date
 from database import db, ITEMS_PER_PAGE
diff --git a/org/woehlke/covid19/rki/rki_service_update.py b/org/woehlke/covid19/rki/rki_service_update.py
index c8e4fe9a525bb641e4ddd0cf40b9e5262546fd15..e180855a23d3ee973abbd66c477fce87853a6d27 100644
--- a/org/woehlke/covid19/rki/rki_service_update.py
+++ b/org/woehlke/covid19/rki/rki_service_update.py
@@ -1,4 +1,4 @@
-from database import db, app, transform_datum
+from database import db, app
 from org.woehlke.covid19.rki.rki_model import RkiRegion, RkiDateReported, RkiCountry, RkiGermanyData
 from org.woehlke.covid19.rki.rki_model import RkiGermanyDataImportTable
 
diff --git a/org/woehlke/covid19/vaccination/vaccination_model.py b/org/woehlke/covid19/vaccination/vaccination_model.py
index 5ad95a0d7dba6cabdf4228f6d1cc08bb705fb015..f07cd13ee2e91eeb55158b3fd25b7fd90c2e08e5 100644
--- a/org/woehlke/covid19/vaccination/vaccination_model.py
+++ b/org/woehlke/covid19/vaccination/vaccination_model.py
@@ -1,4 +1,3 @@
-import uuid
 from database import db, ITEMS_PER_PAGE
 
 
diff --git a/org/woehlke/covid19/who/who_model.py b/org/woehlke/covid19/who/who_model.py
index 65b5e236c0c08444248d7651069a39fa1f647206..bf7fbe0e116b95f7a011523de3ef8d1a1ce743de 100644
--- a/org/woehlke/covid19/who/who_model.py
+++ b/org/woehlke/covid19/who/who_model.py
@@ -1,4 +1,3 @@
-import uuid
 from sqlalchemy import and_, func
 from datetime import date
 from database import db, ITEMS_PER_PAGE