diff --git a/doc/_extensions/zephyr/domain.py b/doc/_extensions/zephyr/domain.py
index ccfb5b0f7ad..e4c1ade9642 100644
--- a/doc/_extensions/zephyr/domain.py
+++ b/doc/_extensions/zephyr/domain.py
@@ -339,7 +339,7 @@ def setup(app):
     app.add_post_transform(ProcessRelatedCodeSamplesNode)
 
     # monkey-patching of the DoxygenGroupDirective
-    # app.add_directive("doxygengroup", CustomDoxygenGroupDirective, override=True)
+    app.add_directive("doxygengroup", CustomDoxygenGroupDirective, override=True)
 
     return {
         "version": __version__,