diff --git a/lib/libprocstat/udf.c b/lib/libprocstat/udf.c
index 5d9310e9dcd9..90c369c8ff03 100644
--- a/lib/libprocstat/udf.c
+++ b/lib/libprocstat/udf.c
@@ -30,7 +30,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/vnode.h>
-#include <sys/buf.h>
 #define _KERNEL
 #include <sys/mount.h>
 #undef _KERNEL