diff --git a/sys/sys/resourcevar.h b/sys/sys/resourcevar.h
index cba2667555c..c33511f9443 100644
--- a/sys/sys/resourcevar.h
+++ b/sys/sys/resourcevar.h
@@ -109,9 +109,6 @@ struct uidinfo {
 #endif
 };
 
-#define	UIDINFO_VMSIZE_LOCK(ui)		mtx_lock(&((ui)->ui_vmsize_mtx))
-#define	UIDINFO_VMSIZE_UNLOCK(ui)	mtx_unlock(&((ui)->ui_vmsize_mtx))
-
 struct proc;
 struct rusage_ext;
 struct thread;