diff -u b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
--- b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
+++ b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
@@ -85,7 +85,6 @@
       if (isset($this->configuration['groups'][$group_id]['default'])) {
         $plugin_default = $this->configuration['groups'][$group_id]['default'];
       }
-      //debug($this->yamlStyleDiscovery->getStyleOptions());
       $form['style_wrapper']['styles'][$group_id] = [
         '#type' => 'select',
         '#title' => $this->t('%group Style', ['%group' => $this->yamlStyleDiscovery->getGroupLabel($group_id)]),
diff -u b/src/Tests/ParagraphsStylePluginTest.php b/src/Tests/ParagraphsStylePluginTest.php
--- b/src/Tests/ParagraphsStylePluginTest.php
+++ b/src/Tests/ParagraphsStylePluginTest.php
@@ -343,16 +343,17 @@
     $this->drupalPostForm('admin/reports/paragraphs_collection/styles', $edit, 'Save configuration');
     // Set default style to italic.
     $edit = [
+      'behavior_plugins[style][enabled]' => TRUE,
       'behavior_plugins[style][settings][groups][]' => ['italic_test_group'],
     ];
-    $this->drupalPostAjaxForm('admin/structure/paragraphs_type/container', $edit, 'behavior_plugins[style][settings][groups][]');
+    $this->drupalPostAjaxForm('admin/structure/paragraphs_type/' . $paragraph_type, $edit, 'behavior_plugins[style][settings][groups][]');
     $edit = [
       'behavior_plugins[style][settings][groups][]' => ['italic_test_group'],
-      'behavior_plugins[style][settings][groups_defaults][bold_test_group][default]' => 'italic',
+      'behavior_plugins[style][settings][groups_defaults][italic_test_group][default]' => 'italic',
     ];
     $this->drupalPostForm(NULL, $edit, t('Save'));
     // Set the paragraph style to bold.
-    $this->drupalPostForm('node/' . $node->id() . '/edit', ['paragraphs[0][behavior_plugins][style][style_wrapper][style]' => 'bold'], t('Save'));
+    $this->drupalPostForm('node/' . $node->id() . '/edit', ['paragraphs[0][behavior_plugins][style][style_wrapper][styles][italic_test_group]' => 'bold'], t('Save'));
     $this->assertRaw('paragraphs-behavior-style--bold');
 
     // Disable the bold style.