diff --git a/core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php b/core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
index 0354e25..bddc8d5 100644
--- a/core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
+++ b/core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
@@ -100,7 +100,7 @@ public function getFormId() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return [
       'system.date',
       'system.site',
diff --git a/core/modules/aggregator/src/Plugin/aggregator/processor/DefaultProcessor.php b/core/modules/aggregator/src/Plugin/aggregator/processor/DefaultProcessor.php
index cadd84b..e6f3b4c 100644
--- a/core/modules/aggregator/src/Plugin/aggregator/processor/DefaultProcessor.php
+++ b/core/modules/aggregator/src/Plugin/aggregator/processor/DefaultProcessor.php
@@ -111,7 +111,7 @@ public static function create(ContainerInterface $container, array $configuratio
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['aggregator.settings'];
   }
 
diff --git a/core/modules/contact/src/ContactFormEditForm.php b/core/modules/contact/src/ContactFormEditForm.php
index 420be7d..cb4e6ce 100644
--- a/core/modules/contact/src/ContactFormEditForm.php
+++ b/core/modules/contact/src/ContactFormEditForm.php
@@ -23,7 +23,7 @@ class ContactFormEditForm extends EntityForm {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['contact.settings'];
   }
 
diff --git a/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php b/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
index 1dc1447..70b3e61 100644
--- a/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
+++ b/core/modules/language/src/Form/NegotiationBrowserDeleteForm.php
@@ -29,7 +29,7 @@ class NegotiationBrowserDeleteForm extends ConfirmFormBase {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['language.mappings'];
   }
 
diff --git a/core/modules/system/src/Form/ThemeAdminForm.php b/core/modules/system/src/Form/ThemeAdminForm.php
index 9aa7123..bdb35fa 100644
--- a/core/modules/system/src/Form/ThemeAdminForm.php
+++ b/core/modules/system/src/Form/ThemeAdminForm.php
@@ -24,7 +24,7 @@ public function getFormID() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['system.theme'];
   }
 
diff --git a/core/modules/system/tests/modules/form_test/src/FormTestArgumentsObject.php b/core/modules/system/tests/modules/form_test/src/FormTestArgumentsObject.php
index 9dc522c..50ada4a 100644
--- a/core/modules/system/tests/modules/form_test/src/FormTestArgumentsObject.php
+++ b/core/modules/system/tests/modules/form_test/src/FormTestArgumentsObject.php
@@ -26,7 +26,7 @@ public function getFormId() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['form_test.object'];
   }
 
diff --git a/core/modules/system/tests/modules/form_test/src/FormTestControllerObject.php b/core/modules/system/tests/modules/form_test/src/FormTestControllerObject.php
index 40a79af..126783d 100644
--- a/core/modules/system/tests/modules/form_test/src/FormTestControllerObject.php
+++ b/core/modules/system/tests/modules/form_test/src/FormTestControllerObject.php
@@ -27,7 +27,7 @@ public function getFormId() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['form_test.object'];
   }
 
diff --git a/core/modules/system/tests/modules/form_test/src/FormTestObject.php b/core/modules/system/tests/modules/form_test/src/FormTestObject.php
index 73f273e..84f6ba8 100644
--- a/core/modules/system/tests/modules/form_test/src/FormTestObject.php
+++ b/core/modules/system/tests/modules/form_test/src/FormTestObject.php
@@ -25,7 +25,7 @@ public function getFormId() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['form_test.object'];
   }
 
diff --git a/core/modules/system/tests/modules/form_test/src/FormTestServiceObject.php b/core/modules/system/tests/modules/form_test/src/FormTestServiceObject.php
index c60b6d1..bc86845 100644
--- a/core/modules/system/tests/modules/form_test/src/FormTestServiceObject.php
+++ b/core/modules/system/tests/modules/form_test/src/FormTestServiceObject.php
@@ -25,7 +25,7 @@ public function getFormId() {
   /**
    * {@inheritdoc}
    */
-  protected function getEditableConfigNames() {
+  public function getEditableConfigNames() {
     return ['form_test.object'];
   }