diff --git a/include/qom/object.h b/include/qom/object.h
index 500e7dfa992da7c783801433f9c54e622704b758..4cd84998c2997524c0adf69811e1fe86641a2ce6 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -553,6 +553,62 @@ struct Object
     Object *parent;
 };
 
+/**
+ * DECLARE_INSTANCE_CHECKER:
+ * @InstanceType: instance struct name
+ * @OBJ_NAME: the object name in uppercase with underscore separators
+ * @TYPENAME: type name
+ *
+ * Direct usage of this macro should be avoided, and the complete
+ * OBJECT_DECLARE_TYPE macro is recommended instead.
+ *
+ * This macro will provide the three standard type cast functions for a
+ * QOM type.
+ */
+#define DECLARE_INSTANCE_CHECKER(InstanceType, OBJ_NAME, TYPENAME) \
+    static inline G_GNUC_UNUSED InstanceType * \
+    OBJ_NAME(void *obj) \
+    { return OBJECT_CHECK(InstanceType, obj, TYPENAME); }
+
+/**
+ * DECLARE_CLASS_CHECKERS:
+ * @ClassType: class struct name
+ * @OBJ_NAME: the object name in uppercase with underscore separators
+ * @TYPENAME: type name
+ *
+ * Direct usage of this macro should be avoided, and the complete
+ * OBJECT_DECLARE_TYPE macro is recommended instead.
+ *
+ * This macro will provide the three standard type cast functions for a
+ * QOM type.
+ */
+#define DECLARE_CLASS_CHECKERS(ClassType, OBJ_NAME, TYPENAME) \
+    static inline G_GNUC_UNUSED ClassType * \
+    OBJ_NAME##_GET_CLASS(void *obj) \
+    { return OBJECT_GET_CLASS(ClassType, obj, TYPENAME); } \
+    \
+    static inline G_GNUC_UNUSED ClassType * \
+    OBJ_NAME##_CLASS(void *klass) \
+    { return OBJECT_CLASS_CHECK(ClassType, klass, TYPENAME); }
+
+/**
+ * DECLARE_OBJ_CHECKERS:
+ * @InstanceType: instance struct name
+ * @ClassType: class struct name
+ * @OBJ_NAME: the object name in uppercase with underscore separators
+ * @TYPENAME: type name
+ *
+ * Direct usage of this macro should be avoided, and the complete
+ * OBJECT_DECLARE_TYPE macro is recommended instead.
+ *
+ * This macro will provide the three standard type cast functions for a
+ * QOM type.
+ */
+#define DECLARE_OBJ_CHECKERS(InstanceType, ClassType, OBJ_NAME, TYPENAME) \
+    DECLARE_INSTANCE_CHECKER(InstanceType, OBJ_NAME, TYPENAME) \
+    \
+    DECLARE_CLASS_CHECKERS(ClassType, OBJ_NAME, TYPENAME)
+
 /**
  * OBJECT_DECLARE_TYPE:
  * @InstanceType: instance struct name
@@ -574,20 +630,8 @@ struct Object
     \
     G_DEFINE_AUTOPTR_CLEANUP_FUNC(InstanceType, object_unref) \
     \
-    static inline G_GNUC_UNUSED ClassType * \
-    MODULE_OBJ_NAME##_GET_CLASS(void *obj) \
-    { return OBJECT_GET_CLASS(ClassType, obj, \
-                              TYPE_##MODULE_OBJ_NAME); } \
-    \
-    static inline G_GNUC_UNUSED ClassType * \
-    MODULE_OBJ_NAME##_CLASS(void *klass) \
-    { return OBJECT_CLASS_CHECK(ClassType, klass, \
-                                TYPE_##MODULE_OBJ_NAME); } \
-    \
-    static inline G_GNUC_UNUSED InstanceType * \
-    MODULE_OBJ_NAME(void *obj) \
-    { return OBJECT_CHECK(InstanceType, obj, \
-                          TYPE_##MODULE_OBJ_NAME); }
+    DECLARE_OBJ_CHECKERS(InstanceType, ClassType, \
+                         MODULE_OBJ_NAME, TYPE_##MODULE_OBJ_NAME)
 
 /**
  * OBJECT_DECLARE_SIMPLE_TYPE: