diff --git a/src/include/engine.h b/src/include/engine.h
index bc5ce85aa2255d73dde4ec973df16214d6bdcc35..4e47800c837daa057d408f3cc7c9d65dc700fd99 100644
--- a/src/include/engine.h
+++ b/src/include/engine.h
@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 #include <define.h>
 #include <lightning.h>
 #include <receiver.h>
@@ -9,7 +9,7 @@
 namespace lt
 {
 
-	class engine;
+	//class engine;
 
 	class subscriber
 	{