3 files changed, 3 insertions, 10 deletions
diff --git a/include/hw/watchdog/cmsdk-apb-watchdog.h b/include/hw/watchdog/cmsdk-apb-watchdog.h
index 63f4becf86..3da0d43e35 100644
--- a/include/hw/watchdog/cmsdk-apb-watchdog.h
+++ b/include/hw/watchdog/cmsdk-apb-watchdog.h
@@ -36,9 +36,7 @@
 #include "qom/object.h"
 
 #define TYPE_CMSDK_APB_WATCHDOG "cmsdk-apb-watchdog"
-typedef struct CMSDKAPBWatchdog CMSDKAPBWatchdog;
-DECLARE_INSTANCE_CHECKER(CMSDKAPBWatchdog, CMSDK_APB_WATCHDOG,
-                         TYPE_CMSDK_APB_WATCHDOG)
+OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBWatchdog, CMSDK_APB_WATCHDOG)
 
 /*
  * This shares the same struct (and cast macro) as the base
diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h
index 2ca1eb5432..80b03661e3 100644
--- a/include/hw/watchdog/wdt_aspeed.h
+++ b/include/hw/watchdog/wdt_aspeed.h
@@ -15,10 +15,7 @@
 #include "qom/object.h"
 
 #define TYPE_ASPEED_WDT "aspeed.wdt"
-typedef struct AspeedWDTClass AspeedWDTClass;
-typedef struct AspeedWDTState AspeedWDTState;
-DECLARE_OBJ_CHECKERS(AspeedWDTState, AspeedWDTClass,
-                     ASPEED_WDT, TYPE_ASPEED_WDT)
+OBJECT_DECLARE_TYPE(AspeedWDTState, AspeedWDTClass, ASPEED_WDT)
 #define TYPE_ASPEED_2400_WDT TYPE_ASPEED_WDT "-ast2400"
 #define TYPE_ASPEED_2500_WDT TYPE_ASPEED_WDT "-ast2500"
 #define TYPE_ASPEED_2600_WDT TYPE_ASPEED_WDT "-ast2600"
diff --git a/include/hw/watchdog/wdt_imx2.h b/include/hw/watchdog/wdt_imx2.h
index 7665d93640..023d83f48f 100644
--- a/include/hw/watchdog/wdt_imx2.h
+++ b/include/hw/watchdog/wdt_imx2.h
@@ -19,9 +19,7 @@
 #include "qom/object.h"
 
 #define TYPE_IMX2_WDT "imx2.wdt"
-typedef struct IMX2WdtState IMX2WdtState;
-DECLARE_INSTANCE_CHECKER(IMX2WdtState, IMX2_WDT,
-                         TYPE_IMX2_WDT)
+OBJECT_DECLARE_SIMPLE_TYPE(IMX2WdtState, IMX2_WDT)
 
 enum IMX2WdtRegisters {
     IMX2_WDT_WCR  = 0x0000, /* Control Register */