diff --git a/core/modules/editor/editor.post_update.php b/core/modules/editor/editor.post_update.php
new file mode 100644
index 0000000..3715b6d
--- /dev/null
+++ b/core/modules/editor/editor.post_update.php
@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * @file
+ * Post update functions for Editor.
+ */
+
+/**
+ * @addtogroup updates-8.2.x
+ * @{
+ */
+
+/**
+ * Clear the render cache to fix file references added by Editor.
+ */
+function editor_post_update_clear_cache_for_file_reference_filter() {
+}
+
+/**
+ * @} End of "addtogroup updates-8.2.x".
+ */