diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h
index c2cc4ef5c0..889628da27 100644
--- a/src/arch/x86/include/arch/cpu.h
+++ b/src/arch/x86/include/arch/cpu.h
@@ -217,7 +217,6 @@ struct cpu_device_id {
 struct cpu_driver {
 	struct device_operations *ops;
 	const struct cpu_device_id *id_table;
-	struct acpi_cstate *cstates;
 };
 
 struct cpu_driver *find_cpu_driver(struct device *cpu);