diff --git a/libdiscover/Category/Category.cpp b/libdiscover/Category/Category.cpp
index c05049035d147b4ce44cf786d10df48557caa2f4..e2e441ed71f76c94cf12d5b3700d048c7928e36d 100644
--- a/libdiscover/Category/Category.cpp
+++ b/libdiscover/Category/Category.cpp
@@ -171,10 +171,8 @@ void Category::addSubcategory(QVector< Category* >& list, Category* newcat)
                 c->m_notFilters += newcat->notFilters();
                 c->m_plugins.unite(newcat->m_plugins);
                 Q_FOREACH (Category* nc, newcat->subCategories()) {
-                    nc->setParent(c);
                     addSubcategory(c->m_subCategories, nc);
                 }
-                delete newcat;
                 return;
             }
         }