diff --git a/cms/templates/widgets/html-edit.html b/cms/templates/widgets/html-edit.html
deleted file mode 100644
index 8074e0d583..0000000000
--- a/cms/templates/widgets/html-edit.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<%! from django.utils.translation import gettext as _ %>
-
-<div class="wrapper-comp-editor" id="editor-tab" data-base-asset-url="${base_asset_url}" data-editor="${editor}">
-    <section class="html-editor editor">
-      <div class="row">
-          % if editor == 'visual':
-            <textarea class="tiny-mce">${data | h}</textarea>
-          % endif
-          <textarea name="" class="edit-box">${data | h}</textarea>
-      </div>
-    </section>
-</div>
-<%include file="metadata-edit.html" />
diff --git a/xmodule/html_block.py b/xmodule/html_block.py
index 3067a7cf9b..e4a9250a14 100644
--- a/xmodule/html_block.py
+++ b/xmodule/html_block.py
@@ -142,13 +142,7 @@ class HtmlBlockMixin(  # lint-amnesty, pylint: disable=abstract-method
         """
         Return the studio view.
         """
-        fragment = Fragment(
-            self.runtime.service(self, 'mako').render_cms_template(self.mako_template, self.get_context())
-        )
-        add_css_to_fragment(fragment, 'HtmlBlockEditor.css')
-        add_webpack_js_to_fragment(fragment, 'HtmlBlockEditor')
-        shim_xmodule_js(fragment, 'HTMLEditingDescriptor')
-        return fragment
+        raise NotImplementedError
 
     @classmethod
     def get_customizable_fields(cls) -> dict[str, str | None]: