diff --git a/include/os/freebsd/linux/compiler.h b/include/os/freebsd/linux/compiler.h
index b408b77c74..6d1beca5a8 100644
--- a/include/os/freebsd/linux/compiler.h
+++ b/include/os/freebsd/linux/compiler.h
@@ -50,7 +50,9 @@
 #define	__cond_lock(x, c)		(c)
 #define	__bitwise
 #define	__devinitdata
+#ifndef __deprecated
 #define	__deprecated
+#endif
 #define	__init
 #define	__initconst
 #define	__devinit