diff --git a/src/covid19/blueprints/owid/owid_model.py b/src/covid19/blueprints/owid/owid_model.py
index bdd53640915ab2771311da63d050c54084249439..e9b03ad3d34a2d67bd2563ce7d74ec765f6ef3dd 100644
--- a/src/covid19/blueprints/owid/owid_model.py
+++ b/src/covid19/blueprints/owid/owid_model.py
@@ -1,7 +1,9 @@
 from sqlalchemy import and_, func
 from datetime import date
+from sqlalchemy.orm import joinedload, load_only, defaultload, defer, undefer, query_expression, subqueryload
+from sqlalchemy.sql import select
+
 from database import db, ITEMS_PER_PAGE
-from sqlalchemy.orm import joinedload
 from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
 
 
@@ -279,6 +281,6 @@ class OwidData(db.Model):
 
     @classmethod
     def delete_data_for_one_day(cls, date_reported):
-        for data in cls.get_data_for_one_day():
-            db.session.remove(data)
-        db.session.commit()
+        for data in cls.get_data_for_one_day(date_reported):
+            db.session.delete(data)
+            db.session.commit()
diff --git a/src/covid19/blueprints/owid_test/owid_test_service.py b/src/covid19/blueprints/owid_test/owid_test_service.py
index 4f9b847bb3f76be22c8574b4d7ca2f3ba7df5f48..7233e05dc4bf92d467ef53060afc0e2f61ebe156 100644
--- a/src/covid19/blueprints/owid_test/owid_test_service.py
+++ b/src/covid19/blueprints/owid_test/owid_test_service.py
@@ -31,7 +31,7 @@ class OwidTestService:
         i = 0
         for data in OwidData.get_data_for_one_day(joungest_datum):
             i += 1
-            line = " | " + str(i) + " | " + str(data.date_reported) + " | " + data.country.country + " | to be deleted"
+            line = " | " + str(i) + " | " + str(data.date_reported) + " | " + data.country.location + " | to be deleted"
             app.logger.info(line)
         app.logger.info("WhoData.delete_data_for_one_day(joungest_datum)")
         OwidData.delete_data_for_one_day(joungest_datum)
diff --git a/src/covid19/blueprints/who/who_model.py b/src/covid19/blueprints/who/who_model.py
index 12e0817b1408c488de0ea4153cfaaf9aa0384eed..dac88da082ee330e8415f148d23f978f46c36d29 100644
--- a/src/covid19/blueprints/who/who_model.py
+++ b/src/covid19/blueprints/who/who_model.py
@@ -1,8 +1,8 @@
 from sqlalchemy import and_, func
 from datetime import date
-from database import db, ITEMS_PER_PAGE
 from sqlalchemy.orm import joinedload, load_only, defaultload, defer, undefer, query_expression, subqueryload
 from sqlalchemy.sql import select
+from database import db, ITEMS_PER_PAGE
 from covid19.blueprints.application.application_model import ApplicationDateReported, ApplicationRegion
 
 
diff --git a/src/covid19/blueprints/who_test/who_test_service.py b/src/covid19/blueprints/who_test/who_test_service.py
index d976957d184b68b5735165305b811527f4161f29..ac7b0e72c71c9c01345dfbe6bfd3558753d34b3d 100644
--- a/src/covid19/blueprints/who_test/who_test_service.py
+++ b/src/covid19/blueprints/who_test/who_test_service.py
@@ -24,9 +24,9 @@ class WhoTestService:
         app.logger.info(joungest_datum)
         app.logger.info("WhoData.get_data_for_one_day(joungest_datum):")
         i = 0
-        for who_data in WhoData.get_data_for_one_day(joungest_datum):
+        for data in WhoData.get_data_for_one_day(joungest_datum):
             i += 1
-            line = " | " + str(i) + " | " + str(who_data.date_reported) + " | " + who_data.country.country + " | to be deleted"
+            line = " | " + str(i) + " | " + str(data.date_reported) + " | " + data.country.country + " | to be deleted"
             app.logger.info(line)
         app.logger.info("WhoData.delete_data_for_one_day(joungest_datum)")
         WhoData.delete_data_for_one_day(joungest_datum)