diff --git a/sys/dev/spibus/acpi_spibus.c b/sys/dev/spibus/acpi_spibus.c
--- a/sys/dev/spibus/acpi_spibus.c
+++ b/sys/dev/spibus/acpi_spibus.c
@@ -561,6 +561,7 @@
 	DEVMETHOD(bus_alloc_resource,   acpi_spibus_alloc_resource),
 #endif
 	DEVMETHOD(bus_add_child,	acpi_spibus_add_child),
+	DEVMETHOD(bus_child_deleted,	spibus_child_deleted),
 	DEVMETHOD(bus_probe_nomatch,	acpi_spibus_probe_nomatch),
 	DEVMETHOD(bus_driver_added,	acpi_spibus_driver_added),
 	DEVMETHOD(bus_child_deleted,	acpi_spibus_child_deleted),
diff --git a/sys/dev/spibus/ofw_spibus.c b/sys/dev/spibus/ofw_spibus.c
--- a/sys/dev/spibus/ofw_spibus.c
+++ b/sys/dev/spibus/ofw_spibus.c
@@ -190,6 +190,12 @@
 	return (child);
 }
 
+static void
+ofw_spibus_child_deleted(device_t dev, device_t child)
+{
+	free(device_get_ivars(child), M_DEVBUF);
+}
+
 static const struct ofw_bus_devinfo *
 ofw_spibus_get_devinfo(device_t bus, device_t dev)
 {
@@ -216,6 +222,7 @@
 	/* Bus interface */
 	DEVMETHOD(bus_child_pnpinfo,	ofw_bus_gen_child_pnpinfo),
 	DEVMETHOD(bus_add_child,	ofw_spibus_add_child),
+	DEVMETHOD(bus_child_deleted,	ofw_spibus_child_deleted),
 	DEVMETHOD(bus_get_resource_list, ofw_spibus_get_resource_list),
 
 	/* ofw_bus interface */
diff --git a/sys/dev/spibus/spibus.c b/sys/dev/spibus/spibus.c
--- a/sys/dev/spibus/spibus.c
+++ b/sys/dev/spibus/spibus.c
@@ -198,6 +198,18 @@
 	return (child);
 }
 
+void
+spibus_child_deleted(device_t dev, device_t child)
+{
+	struct spibus_ivar *devi;
+
+	devi = device_get_ivars(child);
+	if (devi == NULL)
+		return;
+	resource_list_free(&devi->rl);
+	free(devi, M_DEVBUF);
+}
+
 static device_t
 spibus_add_child(device_t dev, u_int order, const char *name, int unit)
 {
@@ -262,6 +274,7 @@
 	DEVMETHOD(bus_get_resource_list, spibus_get_resource_list),
 
 	DEVMETHOD(bus_add_child,	spibus_add_child),
+	DEVMETHOD(bus_child_deleted,	spibus_child_deleted),
 	DEVMETHOD(bus_print_child,	spibus_print_child),
 	DEVMETHOD(bus_probe_nomatch,	spibus_probe_nomatch),
 	DEVMETHOD(bus_read_ivar,	spibus_read_ivar),
diff --git a/sys/dev/spibus/spibusvar.h b/sys/dev/spibus/spibusvar.h
--- a/sys/dev/spibus/spibusvar.h
+++ b/sys/dev/spibus/spibusvar.h
@@ -79,6 +79,7 @@
 int spibus_attach(device_t);
 int spibus_detach(device_t);
 device_t spibus_add_child_common(device_t, u_int, const char *, int, size_t);
+void spibus_child_deleted(device_t, device_t);
 void spibus_probe_nomatch(device_t, device_t);
 int spibus_child_location(device_t, device_t, struct sbuf *);
 int spibus_read_ivar(device_t, device_t, int, uintptr_t *);