diff --git a/include/hw/ssi.h b/include/hw/ssi.h
index fdae317295..6c13fb2e44 100644
--- a/include/hw/ssi.h
+++ b/include/hw/ssi.h
@@ -56,13 +56,12 @@ typedef struct SSISlaveClass {
 } SSISlaveClass;
 
 struct SSISlave {
-    DeviceState qdev;
+    DeviceState parent_obj;
 
     /* Chip select state */
     bool cs;
 };
 
-#define SSI_SLAVE_FROM_QDEV(dev) DO_UPCAST(SSISlave, qdev, dev)
 #define FROM_SSI_SLAVE(type, dev) DO_UPCAST(type, ssidev, dev)
 
 extern const VMStateDescription vmstate_ssi_slave;