diff --git a/CHANGES/2488.removal b/CHANGES/2488.removal
new file mode 100644
index 0000000000..1b5b7984d9
--- /dev/null
+++ b/CHANGES/2488.removal
@@ -0,0 +1 @@
+Removed support for publishing repos with a checksum type of md5, sha1, or sha224
diff --git a/pulp_rpm/app/constants.py b/pulp_rpm/app/constants.py
index bba1bb189c..3d312882e5 100644
--- a/pulp_rpm/app/constants.py
+++ b/pulp_rpm/app/constants.py
@@ -13,11 +13,6 @@
 
 # The same as above, but in a format that choice fields can use
 CHECKSUM_CHOICES = (
-    (CHECKSUM_TYPES.UNKNOWN, CHECKSUM_TYPES.UNKNOWN),
-    (CHECKSUM_TYPES.MD5, CHECKSUM_TYPES.MD5),
-    (CHECKSUM_TYPES.SHA, CHECKSUM_TYPES.SHA1),
-    (CHECKSUM_TYPES.SHA1, CHECKSUM_TYPES.SHA1),
-    (CHECKSUM_TYPES.SHA224, CHECKSUM_TYPES.SHA224),
     (CHECKSUM_TYPES.SHA256, CHECKSUM_TYPES.SHA256),
     (CHECKSUM_TYPES.SHA384, CHECKSUM_TYPES.SHA384),
     (CHECKSUM_TYPES.SHA512, CHECKSUM_TYPES.SHA512),
diff --git a/pulp_rpm/app/migrations/0056_alter_package_checksum_type_and_more.py b/pulp_rpm/app/migrations/0056_alter_package_checksum_type_and_more.py
new file mode 100644
index 0000000000..e88fbea5b1
--- /dev/null
+++ b/pulp_rpm/app/migrations/0056_alter_package_checksum_type_and_more.py
@@ -0,0 +1,43 @@
+# Generated by Django 4.2.5 on 2023-11-06 22:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rpm', '0055_add_repo_config_field'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='package',
+            name='checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')]),
+        ),
+        migrations.AlterField(
+            model_name='repometadatafile',
+            name='checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')]),
+        ),
+        migrations.AlterField(
+            model_name='rpmpublication',
+            name='metadata_checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')]),
+        ),
+        migrations.AlterField(
+            model_name='rpmpublication',
+            name='package_checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')]),
+        ),
+        migrations.AlterField(
+            model_name='rpmrepository',
+            name='metadata_checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')], null=True),
+        ),
+        migrations.AlterField(
+            model_name='rpmrepository',
+            name='package_checksum_type',
+            field=models.TextField(choices=[('sha256', 'sha256'), ('sha384', 'sha384'), ('sha512', 'sha512')], null=True),
+        ),
+    ]
diff --git a/pulp_rpm/tests/functional/api/test_publish.py b/pulp_rpm/tests/functional/api/test_publish.py
index 3f260cca50..0cd886124a 100644
--- a/pulp_rpm/tests/functional/api/test_publish.py
+++ b/pulp_rpm/tests/functional/api/test_publish.py
@@ -663,14 +663,14 @@ def test_on_demand_specified_metadata_and_package_checksum_type(
 ):
     """Sync and publish an RPM repository and verify the checksum types."""
     repomd_checksum_types, primary_checksum_types = get_checksum_types(
-        package_checksum_type="sha224", metadata_checksum_type="sha224", policy="on_demand"
+        package_checksum_type="sha384", metadata_checksum_type="sha384", policy="on_demand"
     )
 
     for repomd_type, repomd_checksum_type in repomd_checksum_types.items():
-        assert repomd_checksum_type == "sha224"
+        assert repomd_checksum_type == "sha384"
 
     for package, package_checksum_type in primary_checksum_types.items():
-        # since none of the packages in question have sha224 checksums, the
+        # since none of the packages in question have sha384 checksums, the
         # checksums they do have will be used instead. In this case, sha256.
         assert package_checksum_type == "sha256"
 
@@ -707,14 +707,14 @@ def test_immediate_specified_metadata_checksum_type(get_checksum_types):
 def test_immediate_specified_metadata_and_package_checksum_type(get_checksum_types):
     """Sync and publish an RPM repository and verify the checksum types."""
     repomd_checksum_types, primary_checksum_types = get_checksum_types(
-        package_checksum_type="sha224", metadata_checksum_type="sha224", policy="immediate"
+        package_checksum_type="sha512", metadata_checksum_type="sha512", policy="immediate"
     )
 
     for repomd_type, repomd_checksum_type in repomd_checksum_types.items():
-        assert repomd_checksum_type == "sha224"
+        assert repomd_checksum_type == "sha512"
 
     for package, package_checksum_type in primary_checksum_types.items():
-        assert package_checksum_type == "sha224"
+        assert package_checksum_type == "sha512"
 
 
 @pytest.mark.parallel