diff --git a/bacnet-stack/demo/object/ao.h b/bacnet-stack/demo/object/ao.h
index 56529409..f30e8cfe 100644
--- a/bacnet-stack/demo/object/ao.h
+++ b/bacnet-stack/demo/object/ao.h
@@ -63,6 +63,12 @@ extern "C" {
         uint32_t object_instance,
         unsigned priority);
 
+    float Analog_Output_Relinquish_Default(
+        uint32_t object_instance);
+    bool Analog_Output_Relinquish_Default_Set(
+        uint32_t object_instance,
+        float value);
+
     bool Analog_Output_Change_Of_Value(
         uint32_t instance);
     void Analog_Output_Change_Of_Value_Clear(
@@ -118,4 +124,5 @@ extern "C" {
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
+
 #endif
diff --git a/bacnet-stack/demo/object/bo.h b/bacnet-stack/demo/object/bo.h
index 0705c019..df7ef1d7 100644
--- a/bacnet-stack/demo/object/bo.h
+++ b/bacnet-stack/demo/object/bo.h
@@ -88,6 +88,8 @@ extern "C" {
     bool Binary_Output_Present_Value_Relinquish(
         uint32_t instance,
         unsigned priority);
+    unsigned Binary_Output_Present_Value_Priority(
+        uint32_t object_instance);
 
     BACNET_POLARITY Binary_Output_Polarity(
         uint32_t instance);
@@ -101,6 +103,12 @@ extern "C" {
         uint32_t object_instance,
         bool value);
 
+    BACNET_BINARY_PV Binary_Output_Relinquish_Default(
+        uint32_t object_instance);
+    bool Binary_Output_Relinquish_Default_Set(
+        uint32_t object_instance,
+        BACNET_BINARY_PV value);
+
     bool Binary_Output_Encode_Value_List(
         uint32_t object_instance,
         BACNET_PROPERTY_VALUE * value_list);