diff --git a/util/test/demos/vk/vk_parameter_zoo.cpp b/util/test/demos/vk/vk_parameter_zoo.cpp
index 85fee42d1..e94e2dbac 100644
--- a/util/test/demos/vk/vk_parameter_zoo.cpp
+++ b/util/test/demos/vk/vk_parameter_zoo.cpp
@@ -440,6 +440,9 @@ void main()
 
   int main()
   {
+    // we deliberately test this behaviour, it's not invalid and we expectt the NULL this is warning us about
+    mutedMessages.push_back("WARNING-vkGetDeviceProcAddr-device");
+
     // initialise, create window, create context, etc
     if(!Init())
       return 3;
diff --git a/util/test/demos/vk/vk_vs_max_desc_set.cpp b/util/test/demos/vk/vk_vs_max_desc_set.cpp
index c03a3e159..b07534c3b 100644
--- a/util/test/demos/vk/vk_vs_max_desc_set.cpp
+++ b/util/test/demos/vk/vk_vs_max_desc_set.cpp
@@ -77,6 +77,9 @@ void main()
 
   int main()
   {
+    // GPUVA needs a spare desc set but this test is deliberately not allowing that
+    mutedMessages.push_back("WARNING-GPU-Assisted-Validation");
+
     // initialise, create window, create context, etc
     if(!Init())
       return 3;