diff --git a/Source/JavaScriptCore/runtime/Int16Array.h b/Source/JavaScriptCore/runtime/Int16Array.h
index 610c15d..69fa9d5 100644
--- a/Source/JavaScriptCore/runtime/Int16Array.h
+++ b/Source/JavaScriptCore/runtime/Int16Array.h
@@ -23,12 +23,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef Int16Array_h
-#define Int16Array_h
+#pragma once
 
 #include "TypedArrays.h"
 
 using JSC::Int16Array;
-
-#endif // Int16Array_h
-