diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 4c71b17..7d087bb 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -237,20 +237,6 @@
 }
 
 /**
- * ntb_get_max_spads() - get the total scratch regs usable
- * @ndev: pointer to ntb_device instance
- *
- * This function returns the max 32bit scratchpad registers usable by the
- * upper layer.
- *
- * RETURNS: total number of scratch pad registers available
- */
-int ntb_get_max_spads(struct ntb_device *ndev)
-{
-	return ndev->limits.max_spads;
-}
-
-/**
  * ntb_write_local_spad() - write to the secondary scratchpad register
  * @ndev: pointer to ntb_device instance
  * @idx: index to the scratchpad register, 0 based
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index c0eca02..903a72e 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -212,7 +212,7 @@
 	return 0;
 }
 
-struct bus_type ntb_bus_type = {
+static struct bus_type ntb_bus_type = {
 	.name = "ntb_bus",
 	.match = ntb_match_bus,
 	.probe = ntb_client_probe,