diff --git a/src/registrar/migrations/0018_domaininformation.py b/src/registrar/migrations/0018_domaininformation.py
index ef6a28226..408fa048b 100644
--- a/src/registrar/migrations/0018_domaininformation.py
+++ b/src/registrar/migrations/0018_domaininformation.py
@@ -207,12 +207,6 @@ class Migration(migrations.Migration):
                         null=True,
                     ),
                 ),
-                (
-                    "alternative_domains",
-                    models.ManyToManyField(
-                        blank=True, related_name="alternatives+", to="registrar.website"
-                    ),
-                ),
                 (
                     "authorizing_official",
                     models.ForeignKey(
@@ -253,16 +247,6 @@ class Migration(migrations.Migration):
                         to="registrar.domainapplication",
                     ),
                 ),
-                (
-                    "investigator",
-                    models.ForeignKey(
-                        blank=True,
-                        null=True,
-                        on_delete=django.db.models.deletion.SET_NULL,
-                        related_name="information_investigating",
-                        to=settings.AUTH_USER_MODEL,
-                    ),
-                ),
                 (
                     "other_contacts",
                     models.ManyToManyField(
diff --git a/src/registrar/migrations/0019_alter_domainapplication_organization_type.py b/src/registrar/migrations/0019_alter_domainapplication_organization_type.py
new file mode 100644
index 000000000..1a7397255
--- /dev/null
+++ b/src/registrar/migrations/0019_alter_domainapplication_organization_type.py
@@ -0,0 +1,47 @@
+# Generated by Django 4.1.6 on 2023-05-09 19:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("registrar", "0018_domaininformation"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="domainapplication",
+            name="organization_type",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    (
+                        "federal",
+                        "Federal: an agency of the U.S. government's executive, legislative, or judicial branches",
+                    ),
+                    ("interstate", "Interstate: an organization of two or more states"),
+                    (
+                        "state_or_territory",
+                        "State or territory: one of the 50 U.S. states, the District of Columbia, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, or the U.S. Virgin Islands",
+                    ),
+                    (
+                        "tribal",
+                        "Tribal: a tribal government recognized by the federal or a state government",
+                    ),
+                    ("county", "County: a county, parish, or borough"),
+                    ("city", "City: a city, town, township, village, etc."),
+                    (
+                        "special_district",
+                        "Special district: an independent organization within a single state",
+                    ),
+                    (
+                        "school_district",
+                        "School district: a school district that is not part of a local government",
+                    ),
+                ],
+                help_text="Type of organization",
+                max_length=255,
+                null=True,
+            ),
+        ),
+    ]
diff --git a/src/registrar/models/domain_application.py b/src/registrar/models/domain_application.py
index 1c296b897..35d78a337 100644
--- a/src/registrar/models/domain_application.py
+++ b/src/registrar/models/domain_application.py
@@ -582,7 +582,7 @@ class DomainApplication(TimeStampedModel):
         """This is to process to_dict for Domain Information, making it friendly
         to "copy" it
         
-        More information can be found at this- (This dev used #5)
+        More information can be found at this- (This used #5)
         https://stackoverflow.com/questions/21925671/convert-django-model-object-to-dict-with-all-of-the-fields-intact/29088221#29088221"""
         opts = instance._meta
         data = {}
diff --git a/src/registrar/models/domain_information.py b/src/registrar/models/domain_information.py
index 270592753..b461c7555 100644
--- a/src/registrar/models/domain_information.py
+++ b/src/registrar/models/domain_information.py
@@ -30,13 +30,6 @@ class DomainInformation(TimeStampedModel):
         on_delete=models.PROTECT,
         related_name="information_created",
     )
-    investigator = models.ForeignKey(
-        "registrar.User",
-        null=True,
-        blank=True,
-        on_delete=models.SET_NULL,
-        related_name="information_investigating",
-    )
 
     domain_application = models.OneToOneField(
         "registrar.DomainApplication",
@@ -163,11 +156,6 @@ class DomainInformation(TimeStampedModel):
         related_name="domain_info",
         help_text="Domain to which this information belongs",
     )
-    alternative_domains = models.ManyToManyField(
-        "registrar.Website",
-        blank=True,
-        related_name="alternatives+",
-    )
 
     # This is the contact information provided by the applicant. The
     # application user who created it is in the `creator` field.
@@ -238,10 +226,11 @@ class DomainInformation(TimeStampedModel):
         # the following information below is not needed in the domain information:
         da_dict.pop("status")
         da_dict.pop("current_websites")
+        da_dict.pop("investigator")
+        da_dict.pop("alternative_domains")
         # use the requested_domain to create information for this domain
         da_dict["domain"] = da_dict.pop("requested_domain")
         other_contacts = da_dict.pop("other_contacts")
-        alternative_domains = da_dict.pop("alternative_domains")  # just in case
         domain_info = cls(**da_dict)
         domain_info.domain_application = domain_application
         # Save so the object now have PK
@@ -250,7 +239,6 @@ class DomainInformation(TimeStampedModel):
 
         # Process the remaining "many to many" stuff
         domain_info.other_contacts.add(*other_contacts)
-        domain_info.alternative_domains.add(*alternative_domains)
         domain_info.save()
         return domain_info