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-rw-r--r--src/nix-env/user-env.hh9
1 files changed, 1 insertions, 8 deletions
diff --git a/src/nix-env/user-env.hh b/src/nix-env/user-env.hh
index 4125d821732f..f188efe9b4a9 100644
--- a/src/nix-env/user-env.hh
+++ b/src/nix-env/user-env.hh
@@ -1,5 +1,4 @@
-#ifndef __USER_ENV_H
-#define __USER_ENV_H
+#pragma once
 
 #include "get-drvs.hh"
 
@@ -12,9 +11,3 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
     const string & lockToken);
 
 }
-
-#endif /* !__USER_ENV_H */
-
-
-
-