diff --git a/src/Plugin/UiPatterns/Source/BlockSource.php b/src/Plugin/UiPatterns/Source/BlockSource.php
index beaaac3cda9fba4f9faf3a0e029b42b452d5fc12..7dcc4a8231f040c817fe2e42ad2d25da4ebeae50 100644
--- a/src/Plugin/UiPatterns/Source/BlockSource.php
+++ b/src/Plugin/UiPatterns/Source/BlockSource.php
@@ -149,7 +149,7 @@ class BlockSource extends SourcePluginBase {
       '#executes_submit_callback' => FALSE,
       '#empty_value' => '',
       '#empty_option' => $this->t('- None -'),
-      '#required' => TRUE,
+      '#required' => FALSE,
     ];
     $form["settings"] = [
       '#type' => 'container',