diff --git a/vulkan/vulkan_app.cpp b/vulkan/vulkan_app.cpp
index 6fedc01..af72e1c 100644
--- a/vulkan/vulkan_app.cpp
+++ b/vulkan/vulkan_app.cpp
@@ -1650,9 +1650,7 @@ namespace vapp{
 
         vkDestroySurfaceKHR(instance, surface, nullptr);
         vkDestroyInstance(instance, nullptr);
-
-        vkDestroyInstance(instance, nullptr);
-
+        
         // GLFW
         glfwDestroyWindow(this->window);
         glfwTerminate();