diff --git a/src/registrar/admin.py b/src/registrar/admin.py
index d1cb287a3..5ca592ae7 100644
--- a/src/registrar/admin.py
+++ b/src/registrar/admin.py
@@ -13,7 +13,6 @@ from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
 from django.contrib.auth.models import Group
 from django.contrib.contenttypes.models import ContentType
 from django.urls import reverse
-from dateutil.relativedelta import relativedelta  # type: ignore
 from epplibwrapper.errors import ErrorCode, RegistryError
 from registrar.models.user_domain_role import UserDomainRole
 from waffle.admin import FlagAdmin
@@ -2196,24 +2195,8 @@ class DomainAdmin(ListHeaderAdmin, ImportExportModelAdmin):
             extra_context["state_help_message"] = Domain.State.get_admin_help_text(domain.state)
             extra_context["domain_state"] = domain.get_state_display()
 
-            # Pass in what the an extended expiration date would be for the expiration date modal
-            self._set_expiration_date_context(domain, extra_context)
-
         return super().changeform_view(request, object_id, form_url, extra_context)
 
-    def _set_expiration_date_context(self, domain, extra_context):
-        """Given a domain, calculate the an extended expiration date
-        from the current registry expiration date."""
-        years_to_extend_by = self._get_calculated_years_for_exp_date(domain)
-        try:
-            curr_exp_date = domain.registry_expiration_date
-        except KeyError:
-            # No expiration date was found. Return none.
-            extra_context["extended_expiration_date"] = None
-        else:
-            new_date = curr_exp_date + relativedelta(years=years_to_extend_by)
-            extra_context["extended_expiration_date"] = new_date
-
     def response_change(self, request, obj):
         # Create dictionary of action functions
         ACTION_FUNCTIONS = {
@@ -2241,11 +2224,9 @@ class DomainAdmin(ListHeaderAdmin, ImportExportModelAdmin):
             self.message_user(request, "Object is not of type Domain.", messages.ERROR)
             return None
 
-        years = self._get_calculated_years_for_exp_date(obj)
-
         # Renew the domain.
         try:
-            obj.renew_domain(length=years)
+            obj.renew_domain()
             self.message_user(
                 request,
                 "Successfully extended the expiration date.",
@@ -2270,37 +2251,6 @@ class DomainAdmin(ListHeaderAdmin, ImportExportModelAdmin):
 
         return HttpResponseRedirect(".")
 
-    def _get_calculated_years_for_exp_date(self, obj, extension_period: int = 1):
-        """Given the current date, an extension period, and a registry_expiration_date
-        on the domain object, calculate the number of years needed to extend the
-        current expiration date by the extension period.
-        """
-        # Get the date we want to update to
-        desired_date = self._get_current_date() + relativedelta(years=extension_period)
-
-        # Grab the current expiration date
-        try:
-            exp_date = obj.registry_expiration_date
-        except KeyError:
-            # if no expiration date from registry, set it to today
-            logger.warning("current expiration date not set; setting to today")
-            exp_date = self._get_current_date()
-
-        # If the expiration date is super old (2020, for example), we need to
-        # "catch up" to the current year, so we add the difference.
-        # If both years match, then lets just proceed as normal.
-        calculated_exp_date = exp_date + relativedelta(years=extension_period)
-
-        year_difference = desired_date.year - exp_date.year
-
-        years = extension_period
-        if desired_date > calculated_exp_date:
-            # Max probably isn't needed here (no code flow), but it guards against negative and 0.
-            # In both of those cases, we just want to extend by the extension_period.
-            years = max(extension_period, year_difference)
-
-        return years
-
     # Workaround for unit tests, as we cannot mock date directly.
     # it is immutable. Rather than dealing with a convoluted workaround,
     # lets wrap this in a function.
diff --git a/src/registrar/templates/django/admin/domain_change_form.html b/src/registrar/templates/django/admin/domain_change_form.html
index 80888423d..6892822e7 100644
--- a/src/registrar/templates/django/admin/domain_change_form.html
+++ b/src/registrar/templates/django/admin/domain_change_form.html
@@ -69,16 +69,13 @@
                 </h2>
                 <div class="usa-prose">
                     <p>
-                        This will extend the expiration date by one year.
+                        This will extend the expiration date by one year from today.
                         {# Acts as a <br> #}
                         <div class="display-inline"></div>
                         This action cannot be undone.
                     </p>
                     <p>
                         Domain: <b>{{ original.name }}</b>
-                        {# Acts as a <br> #}
-                        <div class="display-inline"></div>
-                        New expiration date: <b>{{ extended_expiration_date }}</b>
                         {{test}}
                     </p>
                 </div>
diff --git a/src/registrar/tests/common.py b/src/registrar/tests/common.py
index 923195bc1..4246d4d13 100644
--- a/src/registrar/tests/common.py
+++ b/src/registrar/tests/common.py
@@ -1543,8 +1543,6 @@ class MockEppLib(TestCase):
     def mockInfoDomainCommands(self, _request, cleaned):
         request_name = getattr(_request, "name", None).lower()
 
-        print(request_name)
-
         # Define a dictionary to map request names to data and extension values
         request_mappings = {
             "security.gov": (self.infoDomainNoContact, None),
diff --git a/src/registrar/tests/test_admin.py b/src/registrar/tests/test_admin.py
index 802974b6e..365b5c97d 100644
--- a/src/registrar/tests/test_admin.py
+++ b/src/registrar/tests/test_admin.py
@@ -374,9 +374,9 @@ class TestDomainAdmin(MockEppLib, WebTest):
 
         # Create a ready domain with a preset expiration date
         domain, _ = Domain.objects.get_or_create(name="fake.gov", state=Domain.State.READY)
-
         response = self.app.get(reverse("admin:registrar_domain_change", args=[domain.pk]))
-
+        # load expiration date into cache and registrar with below command
+        domain.registry_expiration_date
         # Make sure the ex date is what we expect it to be
         domain_ex_date = Domain.objects.get(id=domain.id).expiration_date
         self.assertEqual(domain_ex_date, date(2023, 5, 25))
@@ -400,7 +400,6 @@ class TestDomainAdmin(MockEppLib, WebTest):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, domain.name)
         self.assertContains(response, "Extend expiration date")
-        self.assertContains(response, "New expiration date: <b>May 25, 2025</b>")
 
         # Ensure the message we recieve is in line with what we expect
         expected_message = "Successfully extended the expiration date."
diff --git a/src/registrar/tests/test_reports.py b/src/registrar/tests/test_reports.py
index 0028034fb..f764dd3ce 100644
--- a/src/registrar/tests/test_reports.py
+++ b/src/registrar/tests/test_reports.py
@@ -735,7 +735,6 @@ class ExportDataTest(MockDb, MockEppLib):
         csv_file.seek(0)
         # Read the content into a variable
         csv_content = csv_file.read()
-        print(csv_content)
         self.maxDiff = None
         expected_content = (
             # Header