diff --git a/src/flask_covid19/blueprints/data_owid/owid_model_import.py b/src/flask_covid19/blueprints/data_owid/owid_model_import.py
index 0a35abf627ddc218c6c8e48f8c2212a5992b7635..4f1feb26c4be19bd6b28528561380a559a0b215f 100644
--- a/src/flask_covid19/blueprints/data_owid/owid_model_import.py
+++ b/src/flask_covid19/blueprints/data_owid/owid_model_import.py
@@ -77,37 +77,6 @@ class OwidImport(AllImport):
     life_expectancy = db.Column(db.String(255), nullable=False)
     human_development_index = db.Column(db.String(255), nullable=False)
 
-    @classmethod
-    def remove_all(cls):
-        for one in cls.get_all():
-            db.session.delete(one)
-        db.session.commit()
-        return None
-
-    @classmethod
-    def get_all_as_page(cls, page):
-        return db.session.query(cls).order_by(
-            cls.date.desc()
-        ).paginate(page, per_page=ITEMS_PER_PAGE)
-
-    @classmethod
-    def get_all(cls):
-        return db.session.query(cls).order_by(
-            cls.date.desc()
-        ).all()
-
-    @classmethod
-    def get_by_id(cls, other_id):
-        return db.session.query(cls)\
-            .filter(cls.id == other_id)\
-            .one()
-
-    @classmethod
-    def find_by_id(cls, other_id):
-        return db.session.query(cls)\
-            .filter(cls.id == other_id)\
-            .one()
-
     @classmethod
     def get_dates(cls):
         return db.session.query(cls.date)\
diff --git a/src/flask_covid19/blueprints/data_owid/owid_service_update.py b/src/flask_covid19/blueprints/data_owid/owid_service_update.py
index e2a40bffa19f0843684f6a875b66d6339fd0381f..20097e4f45fe5f5800480aacc1cba0be0cf911a3 100644
--- a/src/flask_covid19/blueprints/data_owid/owid_service_update.py
+++ b/src/flask_covid19/blueprints/data_owid/owid_service_update.py
@@ -71,7 +71,7 @@ class OwidServiceUpdateFull(OwidServiceUpdateBase):
         self.__full_update_continent()
         log_lines = []
         i = 0
-        for continent in OwidContinent.get_all():
+        for continent in OwidContinent.find_all():
             log_lines.append("continent.region: " + continent.region)
             for oi in OwidImport.get_countries(continent.region):
                 i += 1