diff --git a/raytracing/raytracing.cpp b/raytracing/raytracing.cpp
index 0923f07d..28eaea03 100644
--- a/raytracing/raytracing.cpp
+++ b/raytracing/raytracing.cpp
@@ -719,9 +719,7 @@ public:
 	{
 		if (!prepared)
 			return;
-		vkDeviceWaitIdle(device);
 		draw();
-		vkDeviceWaitIdle(device);
 		if (!paused)
 		{
 			updateUniformBuffers();