diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 45e3b81d6c2911e23c643301d083709687556591..23c80e1372a9d028bc3d9b3d0a0d74d400561c56 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -953,8 +953,6 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
 			break;
 	}
 
-	dev->state_count = count;
-
 	if (!count)
 		return -EINVAL;