diff --git a/gtk/DetailsDialog.cc b/gtk/DetailsDialog.cc
index 3187d69cd..998676213 100644
--- a/gtk/DetailsDialog.cc
+++ b/gtk/DetailsDialog.cc
@@ -2132,7 +2132,7 @@ public:
     static std::unique_ptr<EditTrackersDialog> create(DetailsDialog& parent, Glib::RefPtr<Session> core, tr_torrent const* tor);
 
 private:
-    void on_response(int response);
+    void on_response(int response) override;
 
 private:
     DetailsDialog& parent_;
@@ -2243,7 +2243,7 @@ public:
     static std::unique_ptr<AddTrackerDialog> create(DetailsDialog& parent, Glib::RefPtr<Session> core, tr_torrent const* tor);
 
 private:
-    void on_response(int response);
+    void on_response(int response) override;
 
 private:
     DetailsDialog& parent_;
diff --git a/gtk/PrefsDialog.cc b/gtk/PrefsDialog.cc
index a8f92048d..9dfec1bff 100644
--- a/gtk/PrefsDialog.cc
+++ b/gtk/PrefsDialog.cc
@@ -203,7 +203,7 @@ class DownloadingPage : public Gtk::Box
 {
 public:
     DownloadingPage(BaseObjectType* cast_item, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core);
-    ~DownloadingPage();
+    ~DownloadingPage() override;
 
     TR_DISABLE_COPY_MOVE(DownloadingPage)
 
@@ -431,7 +431,7 @@ class PrivacyPage : public Gtk::Box
 {
 public:
     PrivacyPage(BaseObjectType* cast_item, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core);
-    ~PrivacyPage();
+    ~PrivacyPage() override;
 
     TR_DISABLE_COPY_MOVE(PrivacyPage)
 
@@ -814,7 +814,7 @@ class SpeedPage : public Gtk::Box
 public:
     SpeedPage(BaseObjectType* cast_item, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core);
 
-    TR_DISABLE_COPY_MOVE(SpeedPage);
+    TR_DISABLE_COPY_MOVE(SpeedPage)
 
 private:
     void refreshSchedSensitivity();
@@ -992,9 +992,9 @@ class NetworkPage : public Gtk::Box
 {
 public:
     NetworkPage(BaseObjectType* cast_item, Glib::RefPtr<Gtk::Builder> const& builder, Glib::RefPtr<Session> const& core);
-    ~NetworkPage();
+    ~NetworkPage() override;
 
-    TR_DISABLE_COPY_MOVE(NetworkPage);
+    TR_DISABLE_COPY_MOVE(NetworkPage)
 
 private:
     void onCorePrefsChanged(tr_quark const key);