Omit empty related models

netbox/templates/inc/panels/related_objects.html

@@ -19,6 +19,8 @@
         </a>
         {% endif %}
       {% endwith %}
+    {% empty %}
+      <span class="list-group-item text-muted">{% trans "None" %}</span>
     {% endfor %}
   </ul>
 </div>

netbox/utilities/views.py

@@ -196,7 +196,10 @@ class GetRelatedModelsMixin:
         ]
         related_models.extend(extra)
 
-        return sorted(related_models, key=lambda x: x[0].model._meta.verbose_name.lower())
+        return sorted(
+            filter(lambda qs: qs[0].exists(), related_models),
+            key=lambda qs: qs[0].model._meta.verbose_name.lower(),
+        )
 
 
 class ViewTab: