diff --git a/CHANGES/889.bugfix b/CHANGES/889.bugfix
new file mode 100644
index 000000000..34bbebc0b
--- /dev/null
+++ b/CHANGES/889.bugfix
@@ -0,0 +1 @@
+Fix a bug where when a collection version is removed from a repository, it's associated signatures and deprecated content remains in the repository.
\ No newline at end of file
diff --git a/pulp_ansible/app/models.py b/pulp_ansible/app/models.py
index 0974accda..3df98b90f 100644
--- a/pulp_ansible/app/models.py
+++ b/pulp_ansible/app/models.py
@@ -315,6 +315,38 @@ class Meta:
 
         permissions = (("modify_ansible_repo_content", "Can modify ansible repository content"),)
 
+    def finalize_new_version(self, new_version):
+        """Finalize repo version."""
+        removed_collection_versions = new_version.removed(
+            base_version=new_version.base_version
+        ).filter(pulp_type=CollectionVersion.get_pulp_type())
+
+        # Remove any deprecated and signature content associated with the removed collection
+        # versions
+        for version in removed_collection_versions:
+            version = version.cast()
+
+            signatures = new_version.get_content(
+                content_qs=CollectionVersionSignature.objects.filter(signed_collection=version)
+            )
+            new_version.remove_content(signatures)
+
+            other_collection_versions = new_version.get_content(
+                content_qs=CollectionVersion.objects.filter(collection=version.collection)
+            )
+
+            # AnsibleCollectionDeprecated applies to all collection versions in a repository,
+            # so only remove it if there are no more collection versions for the specified
+            # collection present.
+            if not other_collection_versions.exists():
+                deprecations = new_version.get_content(
+                    content_qs=AnsibleCollectionDeprecated.objects.filter(
+                        namespace=version.namespace, name=version.name
+                    )
+                )
+
+                new_version.remove_content(deprecations)
+
 
 class AnsibleDistribution(Distribution):
     """
diff --git a/pulp_ansible/tests/functional/api/collection/v3/test_deletion.py b/pulp_ansible/tests/functional/api/collection/v3/test_deletion.py
index 6ae97f6d8..003899acf 100644
--- a/pulp_ansible/tests/functional/api/collection/v3/test_deletion.py
+++ b/pulp_ansible/tests/functional/api/collection/v3/test_deletion.py
@@ -1,5 +1,9 @@
-from pulp_ansible.tests.functional.utils import gen_collection_in_distribution
-from pulp_ansible.tests.functional.utils import SyncHelpersMixin, TestCaseUsingBindings
+from pulp_ansible.tests.functional.utils import (
+    gen_collection_in_distribution,
+    SyncHelpersMixin,
+    TestCaseUsingBindings,
+    create_signing_service,
+)
 
 from pulpcore.client.pulp_ansible.exceptions import ApiException
 from pulp_smash.pulp3.bindings import monitor_task
@@ -192,3 +196,53 @@ def test_invalid_deletion(self):
         )
 
         resp = monitor_task(resp.task)
+
+    def test_delete_deprecated_content(self):
+        """Test that deprecated content is removed correctly."""
+        # Deprecate the collection
+        result = self.collections_v3api.update(
+            path=self.distribution.base_path,
+            name=self.collection_name,
+            namespace=self.collection_namespace,
+            body={"deprecated": True},
+        )
+        monitor_task(result.task)
+
+        resp = self.collections_v3api.delete(
+            path=self.distribution.base_path,
+            name=self.collection_name,
+            namespace=self.collection_namespace,
+        )
+        monitor_task(resp.task)
+
+        # Verify that all the content is gone
+        repo = self.repo_api.read(self.repo.pulp_href)
+        latest_version = self.repo_version_api.read(repo.latest_version_href)
+
+        assert len(latest_version.content_summary.present) == 0
+
+    def test_delete_signed_content(self):
+        """Test that signature content is removed correctly."""
+        sign_service = create_signing_service()
+
+        # Sign the collections
+        body = {
+            "content_units": [
+                "*",
+            ],
+            "signing_service": sign_service.pulp_href,
+        }
+        monitor_task(self.repo_api.sign(self.repo.pulp_href, body).task)
+
+        resp = self.collections_v3api.delete(
+            path=self.distribution.base_path,
+            name=self.collection_name,
+            namespace=self.collection_namespace,
+        )
+        monitor_task(resp.task)
+
+        # Verify that all the content is gone
+        repo = self.repo_api.read(self.repo.pulp_href)
+        latest_version = self.repo_version_api.read(repo.latest_version_href)
+
+        assert len(latest_version.content_summary.present) == 0
diff --git a/pulp_ansible/tests/functional/utils.py b/pulp_ansible/tests/functional/utils.py
index 9e1398aeb..28db22c0f 100644
--- a/pulp_ansible/tests/functional/utils.py
+++ b/pulp_ansible/tests/functional/utils.py
@@ -46,6 +46,7 @@
     RemotesRoleApi,
     AnsibleRepositorySyncURL,
     PulpAnsibleArtifactsCollectionsV3Api,
+    RepositoriesAnsibleVersionsApi,
 )
 
 from orionutils.generator import build_collection, randstr
@@ -221,6 +222,7 @@ def setUpClass(cls):
         """Create class-wide variables."""
         cls.client = gen_ansible_client()
         cls.repo_api = RepositoriesAnsibleApi(cls.client)
+        cls.repo_version_api = RepositoriesAnsibleVersionsApi(cls.client)
         cls.remote_collection_api = RemotesCollectionApi(cls.client)
         cls.remote_git_api = RemotesGitApi(cls.client)
         cls.remote_role_api = RemotesRoleApi(cls.client)