Remove the delete in the Destructor function because of the auto delete of the scrollArea(parent) in ukcc.

search-ukcc-plugin/search.cpp

@@ -19,15 +19,6 @@ Search::Search()
     initBlockDirsList();
 }
 
-Search::~Search()
-{
-    delete m_pluginWidget;
-    if (m_gsettings) {
-        delete m_gsettings;
-        m_gsettings = nullptr;
-    }
-}
-
 QString Search::plugini18nName()
 {
     return m_plugin_name;

search-ukcc-plugin/search.h

@@ -43,7 +43,7 @@ class Search : public QObject, CommonInterface
 
 public:
     explicit Search();
-    ~Search();
+    virtual ~Search() = default;
 
     QString plugini18nName()   Q_DECL_OVERRIDE;
     int pluginTypes()       Q_DECL_OVERRIDE;