diff --git a/lib/libc/gen/ttyslot.c b/lib/libc/gen/ttyslot.c
index b2fac7c0aef4..1de0837e937a 100644
--- a/lib/libc/gen/ttyslot.c
+++ b/lib/libc/gen/ttyslot.c
@@ -33,35 +33,11 @@ static char sccsid[] = "@(#)ttyslot.c	8.1 (Berkeley) 6/4/93";
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
-#include <paths.h>
-#include <ttyent.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
 int
 __ttyslot(void)
 {
-	struct ttyent *ttyp;
-	int slot;
-	int cnt;
-	char *name;
 
-	setttyent();
-	for (cnt = 0; cnt < 3; ++cnt)
-		if ( (name = ttyname(cnt)) ) {
-			if (strncmp(name, _PATH_DEV, sizeof _PATH_DEV - 1) != 0)
-				break;
-			name += sizeof _PATH_DEV - 1;
-			for (slot = 1; (ttyp = getttyent()); ++slot)
-				if (!strcmp(ttyp->ty_name, name)) {
-					endttyent();
-					return(slot);
-				}
-			break;
-		}
-	endttyent();
-	return(0);
+	return (0);
 }
 
 __sym_compat(ttyslot, __ttyslot, FBSD_1.0);