1 files changed, 1 insertions, 4 deletions
diff --git a/rts/sm/Sanity.h b/rts/sm/Sanity.h
index 63ae05d2a2..f9f1b3b787 100644
--- a/rts/sm/Sanity.h
+++ b/rts/sm/Sanity.h
@@ -6,8 +6,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#ifndef SANITY_H
-#define SANITY_H
+#pragma once
 
 #ifdef DEBUG
 
@@ -42,5 +41,3 @@ void checkBQ (StgTSO *bqe, StgClosure *closure);
 #include "EndPrivate.h"
 
 #endif /* DEBUG */
- 
-#endif /* SANITY_H */