diff --git a/core/modules/config_translation/config_translation.module b/core/modules/config_translation/config_translation.module
index a96b434..336a405 100644
--- a/core/modules/config_translation/config_translation.module
+++ b/core/modules/config_translation/config_translation.module
@@ -186,7 +186,7 @@ function config_translation_config_schema_info_alter(&$definitions) {
   // form elements in ConfigTranslationFormBase. Other translatable types will
   // appear as a one line textfield.
   foreach ($definitions as $type => &$definition) {
-    if (!isset($definition['form_element_class']) && isset($map[$type])) {
+    if (isset($map[$type]) && !isset($definition['form_element_class'])) {
       $definition['form_element_class'] = $map[$type];
     }
   }
diff --git a/core/modules/config_translation/src/FormElement/ListElement.php b/core/modules/config_translation/src/FormElement/ListElement.php
index c860fd3..8bd8a52 100644
--- a/core/modules/config_translation/src/FormElement/ListElement.php
+++ b/core/modules/config_translation/src/FormElement/ListElement.php
@@ -88,16 +88,10 @@ public function getTranslationBuild(LanguageInterface $source_language, Language
    */
   public function setConfig(Config $base_config, LanguageConfigOverride $config_translation, $config_values, $base_key = NULL) {
     foreach ($this->element as $key => $element) {
-      // Do not bother traversing schema elements for which no values have been
-      // submitted.
-      if (!isset($config_values[$key])) {
-        continue;
-      }
-      $value = $config_values[$key];
-
       $element_key = implode('.', array_filter(array($base_key, $key)));
       if ($form_element = ConfigTranslationFormBase::createFormElement($element)) {
         // Traverse into the next level of the configuration.
+        $value = isset($config_values[$key]) ? $config_values[$key] : NULL;
         $form_element->setConfig($base_config, $config_translation, $value, $element_key);
       }
     }
diff --git a/core/modules/locale/src/LocaleConfigSubscriber.php b/core/modules/locale/src/LocaleConfigSubscriber.php
index e89a115..84ad835 100644
--- a/core/modules/locale/src/LocaleConfigSubscriber.php
+++ b/core/modules/locale/src/LocaleConfigSubscriber.php
@@ -267,7 +267,7 @@ protected function getTranslation($source_value, $langcode, $create_fallback = T
         return reset($translations);
       }
       elseif ($create_fallback) {
-        return $translation = $this->stringStorage->createTranslation($conditions);
+        return $this->stringStorage->createTranslation($conditions);
       }
     }
   }
diff --git a/core/modules/locale/src/Tests/LocaleConfigSubscriberTest.php b/core/modules/locale/src/Tests/LocaleConfigSubscriberTest.php
index ea012b3..2983af9 100644
--- a/core/modules/locale/src/Tests/LocaleConfigSubscriberTest.php
+++ b/core/modules/locale/src/Tests/LocaleConfigSubscriberTest.php
@@ -110,7 +110,7 @@ public function testUpdateTranslation() {
   }
 
   /**
-   * Tests updating translations of shipped configuration.
+   * Tests updating community translations of shipped configuration.
    */
   public function testLocaleUpdateTranslation() {
     $config_name = 'locale_test.translation';
@@ -135,7 +135,7 @@ public function testDeleteTranslation() {
   }
 
   /**
-   * Tests deleting translations of shipped configuration.
+   * Tests deleting community translations of shipped configuration.
    */
   public function testLocaleDeleteTranslation() {
     $config_name = 'locale_test.translation';