diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index e61b8f038364..fb6e0145e534 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -408,7 +408,7 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr)
 	acpi_status status = 0;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *ptc = NULL;
-	union acpi_object obj = { 0 };
+	union acpi_object obj;
 	struct acpi_processor_throttling *throttling;
 
 	status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);