diff --git a/src/mainboard/tyan/s1846/Options.lb b/src/mainboard/tyan/s1846/Options.lb
index ebec984879..4e608bb773 100644
--- a/src/mainboard/tyan/s1846/Options.lb
+++ b/src/mainboard/tyan/s1846/Options.lb
@@ -71,7 +71,7 @@ default HAVE_MP_TABLE = 0
 default HAVE_HARD_RESET = 0
 default CONFIG_UDELAY_TSC = 1
 default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 = 1
-default HAVE_PIRQ_TABLE = 1
+default HAVE_PIRQ_TABLE = 0
 default IRQ_SLOT_COUNT = 0		# Override this in targets/*/Config.lb.
 default MAINBOARD_VENDOR = "N/A"	# Override this in targets/*/Config.lb.
 default MAINBOARD_PART_NUMBER = "N/A"	# Override this in targets/*/Config.lb.