diff --git a/app/views/rails_admin/main/_form_nested_many.html.erb b/app/views/rails_admin/main/_form_nested_many.html.erb
index 67144e7fe..7a92f1bd9 100644
--- a/app/views/rails_admin/main/_form_nested_many.html.erb
+++ b/app/views/rails_admin/main/_form_nested_many.html.erb
@@ -3,7 +3,7 @@
     <a class="<%= (field.active? ? 'active' : '') %> btn btn-info toggler" data-bs-target="<%= form.jquery_namespace(field) %> .collapse" data-bs-toggle="collapse" role="button">
       <i class="fas"></i>
     </a>
-    <% unless field.nested_form[:update_only] || !field.inline_add %>
+    <% if field.inline_add %>
       <%= form.link_to_add "<i class=\"fas fa-plus\"></i> #{wording_for(:link, :new, field.associated_model_config.abstract_model)}".html_safe, field.name, { class: 'btn btn-info' } %>
     <% end %>
   </div>
diff --git a/app/views/rails_admin/main/_form_nested_one.html.erb b/app/views/rails_admin/main/_form_nested_one.html.erb
index 976775b8b..54906808d 100644
--- a/app/views/rails_admin/main/_form_nested_one.html.erb
+++ b/app/views/rails_admin/main/_form_nested_one.html.erb
@@ -4,7 +4,7 @@
     <a class="<%= (field.active? ? 'active' : '') %> btn btn-info toggler" data-bs-target="<%= form.jquery_namespace(field) %> .collapse" data-bs-toggle="collapse" role="button">
       <i class="fas"></i>
     </a>
-    <% unless field.nested_form[:update_only] || !field.inline_add %>
+    <% if field.inline_add %>
       <%= form.link_to_add "<i class=\"fas fa-plus\"></i> #{wording_for(:link, :new, field.associated_model_config.abstract_model)}".html_safe, field.name, { class: 'btn btn-info', :'data-add-label' => "<i class=\"fas fa-plus\"></i> #{wording_for(:link, :new, field.associated_model_config.abstract_model)}".gsub("\n", "") } %>
     <% end %>
   </div>
diff --git a/spec/integration/widgets/nested_many_spec.rb b/spec/integration/widgets/nested_many_spec.rb
index 85076df20..3121f3956 100644
--- a/spec/integration/widgets/nested_many_spec.rb
+++ b/spec/integration/widgets/nested_many_spec.rb
@@ -108,21 +108,13 @@
   context 'with nested_attributes_options given' do
     before do
       allow(FieldTest.nested_attributes_options).to receive(:[]).with(any_args).
-        and_return(allow_destroy: true, update_only: false)
-    end
-
-    it 'does not show add button when :update_only is true' do
-      allow(FieldTest.nested_attributes_options).to receive(:[]).with(:nested_field_tests).
-        and_return(allow_destroy: true, update_only: true)
-      visit new_path(model_name: 'field_test')
-      is_expected.to have_selector('.toggler')
-      is_expected.not_to have_selector('#field_test_nested_field_tests_attributes_field .add_nested_fields')
+        and_return(allow_destroy: true)
     end
 
     it 'does not show destroy button except for newly created when :allow_destroy is false', js: false do
       nested_field_tests
       allow(FieldTest.nested_attributes_options).to receive(:[]).with(:nested_field_tests).
-        and_return(allow_destroy: false, update_only: false)
+        and_return(allow_destroy: false)
       visit edit_path(model_name: 'field_test', id: field_test.id)
       expect(find('#field_test_nested_field_tests_attributes_0_title').value).to eq('title 1')
       is_expected.not_to have_selector('form .remove_nested_fields')