diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h
index dc11561a..0365d101 100644
--- a/bsd-core/drm_os_freebsd.h
+++ b/bsd-core/drm_os_freebsd.h
@@ -158,8 +158,6 @@ find_first_zero_bit(volatile unsigned long *p, int max)
 
 #define memset(p, v, s)		bzero(p, s)
 
-#define virt_to_bus(va)		vtophys(va)
-
 /*
  * Fake out the module macros for versions of FreeBSD where they don't
  * exist.
diff --git a/bsd/drm_os_freebsd.h b/bsd/drm_os_freebsd.h
index dc11561a..0365d101 100644
--- a/bsd/drm_os_freebsd.h
+++ b/bsd/drm_os_freebsd.h
@@ -158,8 +158,6 @@ find_first_zero_bit(volatile unsigned long *p, int max)
 
 #define memset(p, v, s)		bzero(p, s)
 
-#define virt_to_bus(va)		vtophys(va)
-
 /*
  * Fake out the module macros for versions of FreeBSD where they don't
  * exist.