1 files changed, 3 insertions, 3 deletions
diff --git a/src/ui/dialog/behavior.h b/src/ui/dialog/behavior.h
index 5d5519a03..fbe47c635 100644
--- a/src/ui/dialog/behavior.h
+++ b/src/ui/dialog/behavior.h
@@ -78,9 +78,9 @@ protected:
     Dialog& _dialog;  //< reference to the owner
 
 private:
-    Behavior(); // no constructor without params
-    Behavior(const Behavior &);            // no copy
-    Behavior &operator=(const Behavior &); // no assign
+    Behavior() = delete; // no constructor without params
+    Behavior(const Behavior &) = delete;            // no copy
+    Behavior &operator=(const Behavior &) = delete; // no assign
 };
 
 } // namespace Behavior