diff -u b/core/modules/filter/src/Entity/FilterFormat.php b/core/modules/filter/src/Entity/FilterFormat.php
--- b/core/modules/filter/src/Entity/FilterFormat.php
+++ b/core/modules/filter/src/Entity/FilterFormat.php
@@ -197,10 +197,10 @@
 
     // Remove disabled filters which have default configuration.
     $this->filters = array_filter($this->filters, function($filter) {
-      $default = \Drupal::service('plugin.manager.filter')->getDefinition($filter['id']);
       if (!$filter['status']) {
         // Compare the current settings to the default settings. If there are
         // any customisations save them to configuration.
+        $default = \Drupal::service('plugin.manager.filter')->getDefinition($filter['id']);
         $diff = DiffArray::diffAssocRecursive($filter, $default);
         return !empty($diff);
       }