diff --git a/content_plugins/base.py b/content_plugins/base.py
index 3d84cbe..2585a71 100644
--- a/content_plugins/base.py
+++ b/content_plugins/base.py
@@ -133,7 +133,7 @@ class PrepareRichtextMixin:
         return richtext
 
 
-class RichTextBase(PrepareRichtextMixin, StyleMixin, FilesystemTemplateRendererPlugin):
+class RichTextBase(PrepareRichtextMixin, FilesystemTemplateRendererPlugin):
     if USE_TRANSLATABLE_FIELDS:
         richtext = TranslatableCleansedRichTextField(_("text"), blank=True)
     else: