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
@@ -70,13 +70,7 @@
 static int
 spibus_detach(device_t dev)
 {
-	int err;
-
-	if ((err = bus_generic_detach(dev)) != 0)
-		return (err);
-	device_delete_children(dev);
-
-	return (0);
+	return (device_delete_children(dev));
 }
 
 static int