diff --git a/Configuration/RTE/Default.yaml b/Configuration/RTE/Default.yaml
index 272a8e23..71411e04 100644
--- a/Configuration/RTE/Default.yaml
+++ b/Configuration/RTE/Default.yaml
@@ -117,15 +117,6 @@ editor:
         - { name: 'Uppercase', element: 'p', 'classes': ['text-uppercase'], isBlock: 'true' }
         - { name: 'Capitalize', element: 'p', 'classes': ['text-capitalize'], isBlock: 'true' }
 
-        - { name: 'Alert Primary', element: 'p', 'classes': ['alert', 'alert-primary'], isBlock: 'true' }
-        - { name: 'Alert Secondary', element: 'p', classes': ['alert', 'alert-secondary'], isBlock: 'true' }
-        - { name: 'Alert Success', element: 'p', 'classes': ['alert', 'alert-success'], isBlock: 'true' }
-        - { name: 'Alert Danger', element: 'p', 'classes': ['alert', 'alert-danger'], isBlock: 'true' }
-        - { name: 'Alert Warning', element: 'p', 'classes': ['alert', 'alert-warning'], isBlock: 'true' }
-        - { name: 'Alert Info', element: 'p', 'classes': ['alert', 'alert-info'], isBlock: 'true' }
-        - { name: 'Alert Light', element: 'p', 'classes': ['alert', 'alert-light'], isBlock: 'true' }
-        - { name: 'Alert Dark', element: 'p', 'classes': ['alert', 'alert-dark'], isBlock: 'true' }
-
         # Textstile
         - { name: 'Mark', element: 'span', classes: ['mark'] }
         - { name: 'Del', element: 'del', classes: ['del'] }
diff --git a/ext_emconf.php b/ext_emconf.php
index b30af8aa..88a4776c 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -14,7 +14,7 @@
     'title' => 'Bootstrap Components',
     'description' => 'Startup extension to use bootstrap 5 classes, components and more out of the box. Example and info: www.t3sbootstrap.de',
     'category' => 'templates',
-    'version' => '5.3.9',
+    'version' => '5.3.10',
     'state' => 'stable',
     'author' => 'Helmut Hackbarth',
     'author_email' => 'typo3@t3solution.de',