diff --git a/openedx/core/djangoapps/content_tagging/api.py b/openedx/core/djangoapps/content_tagging/api.py
index 693a769b9e86..4ff21dff3f3b 100644
--- a/openedx/core/djangoapps/content_tagging/api.py
+++ b/openedx/core/djangoapps/content_tagging/api.py
@@ -3,7 +3,7 @@
 """
 from __future__ import annotations
 
-from typing import Iterator, List, Type
+from typing import Iterator
 
 import openedx_tagging.core.tagging.api as oel_tagging
 from django.db.models import Q, QuerySet, Exists, OuterRef
@@ -38,7 +38,7 @@ def create_taxonomy(
 def set_taxonomy_orgs(
     taxonomy: Taxonomy,
     all_orgs=False,
-    orgs: List[Organization] = None,
+    orgs: list[Organization] = None,
     relationship: TaxonomyOrg.RelType = TaxonomyOrg.RelType.OWNER,
 ):
     """
diff --git a/openedx/core/djangoapps/content_tagging/migrations/0006_simplify_models.py b/openedx/core/djangoapps/content_tagging/migrations/0006_simplify_models.py
new file mode 100644
index 000000000000..7e8eb99ee71c
--- /dev/null
+++ b/openedx/core/djangoapps/content_tagging/migrations/0006_simplify_models.py
@@ -0,0 +1,22 @@
+# Generated by Django 3.2.21 on 2023-09-29 23:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('content_tagging', '0005_auto_20230830_1517'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='ContentAuthorTaxonomy',
+        ),
+        migrations.DeleteModel(
+            name='ContentLanguageTaxonomy',
+        ),
+        migrations.DeleteModel(
+            name='ContentTaxonomy',
+        ),
+    ]
diff --git a/openedx/core/djangoapps/content_tagging/models/base.py b/openedx/core/djangoapps/content_tagging/models/base.py
index ff7b6d1402a6..77061e46118a 100644
--- a/openedx/core/djangoapps/content_tagging/models/base.py
+++ b/openedx/core/djangoapps/content_tagging/models/base.py
@@ -5,7 +5,7 @@
 
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.db.models import Exists, OuterRef, Q, QuerySet
+from django.db.models import Q, QuerySet
 from django.utils.translation import gettext as _
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import LearningContextKey, UsageKey
@@ -108,5 +108,5 @@ def clean(self):
         # Make sure that object_id is a valid key
         try:
             self.object_key
-        except InvalidKeyError:
-            raise ValidationError("object_id is not a valid opaque key string.")
+        except InvalidKeyError as err:
+            raise ValidationError("object_id is not a valid opaque key string.") from err
diff --git a/openedx/core/djangoapps/content_tagging/tasks.py b/openedx/core/djangoapps/content_tagging/tasks.py
index 33b88cc3fda5..f28b6d156dcc 100644
--- a/openedx/core/djangoapps/content_tagging/tasks.py
+++ b/openedx/core/djangoapps/content_tagging/tasks.py
@@ -76,7 +76,6 @@ def update_course_tags(course_key_str: str) -> bool:
         return True
     except Exception as e:  # pylint: disable=broad-except
         log.error("Error updating tags for Course with id: %s. %s", course_key, e)
-        raise e
         return False
 
 
diff --git a/openedx/core/djangoapps/content_tagging/tests/test_api.py b/openedx/core/djangoapps/content_tagging/tests/test_api.py
index 3b0a20fafdef..c0595dffb679 100644
--- a/openedx/core/djangoapps/content_tagging/tests/test_api.py
+++ b/openedx/core/djangoapps/content_tagging/tests/test_api.py
@@ -2,7 +2,7 @@
 import ddt
 from django.test.testcases import TestCase
 from opaque_keys.edx.keys import CourseKey, UsageKey
-from openedx_tagging.core.tagging.models import ObjectTag, Tag
+from openedx_tagging.core.tagging.models import Tag
 from organizations.models import Organization
 
 from .. import api
diff --git a/openedx/core/djangoapps/content_tagging/tests/test_rules.py b/openedx/core/djangoapps/content_tagging/tests/test_rules.py
index a096e04f36f6..013b82255840 100644
--- a/openedx/core/djangoapps/content_tagging/tests/test_rules.py
+++ b/openedx/core/djangoapps/content_tagging/tests/test_rules.py
@@ -3,7 +3,6 @@
 import ddt
 from django.contrib.auth import get_user_model
 from django.test.testcases import TestCase, override_settings
-from opaque_keys import InvalidKeyError
 from opaque_keys.edx.locator import BlockUsageLocator, CourseLocator
 from openedx_tagging.core.tagging.models import (
     Tag,
diff --git a/openedx/core/djangoapps/content_tagging/tests/test_tasks.py b/openedx/core/djangoapps/content_tagging/tests/test_tasks.py
index aba87d25f734..f3c964b836c7 100644
--- a/openedx/core/djangoapps/content_tagging/tests/test_tasks.py
+++ b/openedx/core/djangoapps/content_tagging/tests/test_tasks.py
@@ -8,7 +8,7 @@
 from django.core.management import call_command
 from django.test import override_settings
 from edx_toggles.toggles.testutils import override_waffle_flag
-from openedx_tagging.core.tagging.models import LanguageTaxonomy, ObjectTag, Tag, Taxonomy
+from openedx_tagging.core.tagging.models import LanguageTaxonomy, Tag, Taxonomy
 from organizations.models import Organization
 
 from common.djangoapps.student.tests.factories import UserFactory