diff --git a/include/private/vulkan_private_extensions.h b/include/private/vulkan_private_extensions.h
index c148fa21..03746346 100644
--- a/include/private/vulkan_private_extensions.h
+++ b/include/private/vulkan_private_extensions.h
@@ -1,35 +1,6 @@
 #ifndef __VULKAN_PRIVATE_EXTENSIONS_H__
 #define __VULKAN_PRIVATE_EXTENSIONS_H__
 
-/* Temporary kludge since these types are not public. */
-
-#define VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_SET_HOST_MAPPING_FEATURES_VALVE ((VkStructureType)1000420000)
-#define VK_STRUCTURE_TYPE_DESCRIPTOR_SET_BINDING_REFERENCE_VALVE ((VkStructureType)1000420001)
-#define VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_HOST_MAPPING_INFO_VALVE ((VkStructureType)1000420002)
-
-#define VK_VALVE_DESCRIPTOR_SET_HOST_MAPPING_SPEC_VERSION 1
-#define VK_VALVE_DESCRIPTOR_SET_HOST_MAPPING_EXTENSION_NAME "VK_VALVE_descriptor_set_host_mapping"
-typedef struct VkPhysicalDeviceDescriptorSetHostMappingFeaturesVALVE {
-    VkStructureType    sType;
-    void*              pNext;
-    VkBool32           descriptorSetHostMapping;
-} VkPhysicalDeviceDescriptorSetHostMappingFeaturesVALVE;
-
-typedef struct VkDescriptorSetBindingReferenceVALVE {
-    VkStructureType          sType;
-    const void*              pNext;
-    VkDescriptorSetLayout    descriptorSetLayout;
-    uint32_t                 binding;
-} VkDescriptorSetBindingReferenceVALVE;
-
-typedef struct VkDescriptorSetLayoutHostMappingInfoVALVE {
-    VkStructureType    sType;
-    void*              pNext;
-    size_t             descriptorOffset;
-    uint32_t           descriptorSize;
-} VkDescriptorSetLayoutHostMappingInfoVALVE;
-
-typedef void (VKAPI_PTR *PFN_vkGetDescriptorSetLayoutHostMappingInfoVALVE)(VkDevice device, const VkDescriptorSetBindingReferenceVALVE* pBindingReference, VkDescriptorSetLayoutHostMappingInfoVALVE* pHostMapping);
-typedef void (VKAPI_PTR *PFN_vkGetDescriptorSetHostMappingVALVE)(VkDevice device, VkDescriptorSet descriptorSet, void** ppData);
+/* Nothing here at the moment. Add hacks here! */
 
 #endif
diff --git a/subprojects/Vulkan-Headers b/subprojects/Vulkan-Headers
index 5c0fa1d6..6eb8fc35 160000
--- a/subprojects/Vulkan-Headers
+++ b/subprojects/Vulkan-Headers
@@ -1 +1 @@
-Subproject commit 5c0fa1d68f48ab7fdb331d75f31efc11aa313090
+Subproject commit 6eb8fc3598ed2a9777677fbe59038c8d0664a434