--- src/sys/i386/isa/clock.c	Fri Aug  1 17:24:17 2008
+++ src/sys/i386/isa/clock.c	Tue Nov 11 20:29:26 2008
@@ -293,22 +293,7 @@ 
 	int getit_calls = 1;
 	int n1;
 	static int state = 0;
-#endif
 
-	if (tsc_freq != 0 && !tsc_is_broken) {
-		uint64_t start, end, now;
-
-		sched_pin();
-		start = rdtsc();
-		end = start + (tsc_freq * n) / 1000000;
-		do {
-			cpu_spinwait();
-			now = rdtsc();
-		} while (now < end || (now > start && end < start));
-		sched_unpin();
-		return;
-	}
-#ifdef DELAYDEBUG
 	if (state == 0) {
 		state = 1;
 		for (n1 = 1; n1 <= 10000000; n1 *= 10)