diff --git a/source/thirdparty/include/intrusive_list.h b/source/thirdparty/include/intrusive_list.h
index 85d574fa9..29f45dabc 100644
--- a/source/thirdparty/include/intrusive_list.h
+++ b/source/thirdparty/include/intrusive_list.h
@@ -85,7 +85,7 @@
 //#include <EASTL/iterator.h>
 //#include <EASTL/algorithm.h>
 
-#if defined(EA_PRAGMA_ONCE_SUPPORTED)
+#if 1 //defined(EA_PRAGMA_ONCE_SUPPORTED)
 	#pragma once // Some compilers (e.g. VC++) benefit significantly from using this. We've measured 3-4% build speed improvements in apps as a result.
 #endif