diff --git a/sys/dev/acpica/acpi_spmc.c b/sys/dev/acpica/acpi_spmc.c
index a6b18767e91..30be1b4a32e 100644
--- a/sys/dev/acpica/acpi_spmc.c
+++ b/sys/dev/acpica/acpi_spmc.c
@@ -164,7 +164,6 @@ struct acpi_spmc_constraint {
 struct acpi_spmc_softc {
 	device_t		dev;
 	ACPI_HANDLE		handle;
-	ACPI_OBJECT		*obj;
 	enum dsm_flags		dsms;
 
 	struct eventhandler_entry	*eh_suspend;