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-rw-r--r--src/libstore/references.hh5
1 files changed, 1 insertions, 4 deletions
diff --git a/src/libstore/references.hh b/src/libstore/references.hh
index 158c08a77646..013809d122f3 100644
--- a/src/libstore/references.hh
+++ b/src/libstore/references.hh
@@ -1,5 +1,4 @@
-#ifndef __REFERENCES_H
-#define __REFERENCES_H
+#pragma once
 
 #include "types.hh"
 #include "hash.hh"
@@ -10,5 +9,3 @@ PathSet scanForReferences(const Path & path, const PathSet & refs,
     HashResult & hash);
     
 }
-
-#endif /* !__REFERENCES_H */