diff --git a/lib/libkvm/kvm_file.c b/lib/libkvm/kvm_file.c
index 69e0aa30be60..cc0ba9f622f5 100644
--- a/lib/libkvm/kvm_file.c
+++ b/lib/libkvm/kvm_file.c
@@ -50,7 +50,6 @@ static char sccsid[] = "@(#)kvm_file.c	8.1 (Berkeley) 6/4/93";
 #undef KERNEL
 #include <sys/stat.h>
 #include <sys/ioctl.h>
-#include <sys/tty.h>
 #include <nlist.h>
 #include <kvm.h>