diff --git a/extension.json b/extension.json
index 1a083933..dbd05d66 100644
--- a/extension.json
+++ b/extension.json
@@ -187,7 +187,6 @@
 				"wikieditor-toolbar-tool-link-empty",
 				"wikieditor-toolbar-tool-file",
 				"wikieditor-toolbar-tool-file-example",
-				"wikieditor-toolbar-tool-file-pre",
 				"wikieditor-toolbar-tool-reference",
 				"wikieditor-toolbar-tool-reference-title",
 				"wikieditor-toolbar-tool-reference-cancel",