diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index d310590598f..b68d594b843 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -302,7 +302,7 @@ static int intel_idle_probe(void)
 
 	case 0x1C:	/* 28 - Atom Processor */
 	case 0x26:	/* 38 - Lincroft Atom Processor */
-		lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */
+		lapic_timer_reliable_states = (1 << 1); /* C1 */
 		cpuidle_state_table = atom_cstates;
 		break;