diff --git a/include/vulkan.h b/include/vulkan.h
index 6a30234..d7748ce 100644
--- a/include/vulkan.h
+++ b/include/vulkan.h
@@ -2145,7 +2145,7 @@
 typedef VkResult (VKAPI *PFN_vkResetCommandBuffer)(VkCmdBuffer cmdBuffer);
 typedef void     (VKAPI *PFN_vkCmdBindPipeline)(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, VkPipeline pipeline);
 typedef void     (VKAPI *PFN_vkCmdBindDynamicStateObject)(VkCmdBuffer cmdBuffer, VkStateBindPoint stateBindPoint, VkDynamicStateObject state);
-typedef void     (VKAPI *PFN_vkCmdBindDescriptorSets)(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, VkDescriptorSetLayoutChain layoutChain, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData);
+typedef void     (VKAPI *PFN_vkCmdBindDescriptorSets)(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData);
 typedef void     (VKAPI *PFN_vkCmdBindIndexBuffer)(VkCmdBuffer cmdBuffer, VkBuffer buffer, VkDeviceSize offset, VkIndexType indexType);
 typedef void     (VKAPI *PFN_vkCmdBindVertexBuffers)(VkCmdBuffer cmdBuffer, uint32_t startBinding, uint32_t bindingCount, const VkBuffer* pBuffers, const VkDeviceSize* pOffsets);
 typedef void     (VKAPI *PFN_vkCmdDraw)(VkCmdBuffer cmdBuffer, uint32_t firstVertex, uint32_t vertexCount, uint32_t firstInstance, uint32_t instanceCount);
@@ -2640,7 +2640,6 @@
 void VKAPI vkCmdBindDescriptorSets(
     VkCmdBuffer                                 cmdBuffer,
     VkPipelineBindPoint                         pipelineBindPoint,
-    VkDescriptorSetLayoutChain                  layoutChain,
     uint32_t                                    layoutChainSlot,
     uint32_t                                    count,
     const VkDescriptorSet*                      pDescriptorSets,
diff --git a/layers/draw_state.cpp b/layers/draw_state.cpp
index 4d6620a..3510370 100644
--- a/layers/draw_state.cpp
+++ b/layers/draw_state.cpp
@@ -1997,7 +1997,7 @@
     nextTable.CmdBindDynamicStateObject(cmdBuffer, stateBindPoint, state);
 }
 
-VK_LAYER_EXPORT void VKAPI vkCmdBindDescriptorSets(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, VkDescriptorSetLayoutChain layoutChain, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData)
+VK_LAYER_EXPORT void VKAPI vkCmdBindDescriptorSets(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData)
 {
     GLOBAL_CB_NODE* pCB = getCBNode(cmdBuffer);
     if (pCB) {
@@ -2034,7 +2034,7 @@
         sprintf(str, "Attempt to use CmdBuffer %p that doesn't exist!", (void*)cmdBuffer);
         layerCbMsg(VK_DBG_MSG_ERROR, VK_VALIDATION_LEVEL_0, cmdBuffer, 0, DRAWSTATE_INVALID_CMD_BUFFER, "DS", str);
     }
-    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChain, layoutChainSlot, count, pDescriptorSets, pUserData);
+    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChainSlot, count, pDescriptorSets, pUserData);
 }
 
 VK_LAYER_EXPORT void VKAPI vkCmdBindIndexBuffer(VkCmdBuffer cmdBuffer, VkBuffer buffer, VkDeviceSize offset, VkIndexType indexType)
diff --git a/layers/mem_tracker.cpp b/layers/mem_tracker.cpp
index 207b408..5884eda 100644
--- a/layers/mem_tracker.cpp
+++ b/layers/mem_tracker.cpp
@@ -1606,14 +1606,13 @@
 VK_LAYER_EXPORT void VKAPI vkCmdBindDescriptorSets(
     VkCmdBuffer                              cmdBuffer,
     VkPipelineBindPoint                     pipelineBindPoint,
-    VkDescriptorSetLayoutChain             layoutChain,
     uint32_t                                    layoutChainSlot,
     uint32_t                                    count,
     const VkDescriptorSet*                   pDescriptorSets,
     const uint32_t*                             pUserData)
 {
     // TODO : Somewhere need to verify that all textures referenced by shaders in DS are in some type of *SHADER_READ* state
-    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChain, layoutChainSlot, count, pDescriptorSets, pUserData);
+    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChainSlot, count, pDescriptorSets, pUserData);
 }
 
 VK_LAYER_EXPORT void VKAPI vkCmdBindVertexBuffers(
diff --git a/layers/param_checker.cpp b/layers/param_checker.cpp
index 5635bfd..da93382 100644
--- a/layers/param_checker.cpp
+++ b/layers/param_checker.cpp
@@ -1204,14 +1204,14 @@
     nextTable.CmdBindDynamicStateObject(cmdBuffer, stateBindPoint, state);
 }
 
-VK_LAYER_EXPORT void VKAPI vkCmdBindDescriptorSets(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, VkDescriptorSetLayoutChain layoutChain, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData)
+VK_LAYER_EXPORT void VKAPI vkCmdBindDescriptorSets(VkCmdBuffer cmdBuffer, VkPipelineBindPoint pipelineBindPoint, uint32_t layoutChainSlot, uint32_t count, const VkDescriptorSet* pDescriptorSets, const uint32_t* pUserData)
 {
     char str[1024];
     if (!validate_VkPipelineBindPoint(pipelineBindPoint)) {
         sprintf(str, "Parameter pipelineBindPoint to function CmdBindDescriptorSets has invalid value of %i.", (int)pipelineBindPoint);
         layerCbMsg(VK_DBG_MSG_ERROR, VK_VALIDATION_LEVEL_0, NULL, 0, 1, "PARAMCHECK", str);
     }
-    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChain, layoutChainSlot, count, pDescriptorSets, pUserData);
+    nextTable.CmdBindDescriptorSets(cmdBuffer, pipelineBindPoint, layoutChainSlot, count, pDescriptorSets, pUserData);
 }
 
 VK_LAYER_EXPORT void VKAPI vkCmdBindVertexBuffers(
diff --git a/layers/shader_checker.cpp b/layers/shader_checker.cpp
index bffcf20..1cc72ee 100644
--- a/layers/shader_checker.cpp
+++ b/layers/shader_checker.cpp
@@ -143,13 +143,13 @@
         return it->second;
     }
 
-    layer_initialize_dispatch_table(pTable, gpuw->pGPA, (VkPhysicalGpu) gpuw->nextObject);
+    layer_initialize_dispatch_table(pTable, gpuw->pGPA, (VkPhysicalDevice) gpuw->nextObject);
 
     return pTable;
 }
 
 
-VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalGpu gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
+VK_LAYER_EXPORT VkResult VKAPI vkCreateDevice(VkPhysicalDevice gpu, const VkDeviceCreateInfo* pCreateInfo, VkDevice* pDevice)
 {
     VkLayerDispatchTable* pTable = tableMap[gpu];
     VkResult result = pTable->CreateDevice(gpu, pCreateInfo, pDevice);
@@ -161,7 +161,7 @@
 }
 
 
-VK_LAYER_EXPORT VkResult VKAPI vkEnumerateLayers(VkPhysicalGpu gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved)
+VK_LAYER_EXPORT VkResult VKAPI vkEnumerateLayers(VkPhysicalDevice gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved)
 {
     if (pOutLayerCount == NULL || pOutLayers == NULL || pOutLayers[0] == NULL || pOutLayers[1] == NULL || pReserved == NULL)
         return VK_ERROR_INVALID_POINTER;
@@ -539,41 +539,41 @@
 static unsigned
 get_format_type(VkFormat fmt) {
     switch (fmt) {
-    case VK_FMT_UNDEFINED:
+    case VK_FORMAT_UNDEFINED:
         return FORMAT_TYPE_UNDEFINED;
-    case VK_FMT_R8_SINT:
-    case VK_FMT_R8G8_SINT:
-    case VK_FMT_R8G8B8_SINT:
-    case VK_FMT_R8G8B8A8_SINT:
-    case VK_FMT_R16_SINT:
-    case VK_FMT_R16G16_SINT:
-    case VK_FMT_R16G16B16_SINT:
-    case VK_FMT_R16G16B16A16_SINT:
-    case VK_FMT_R32_SINT:
-    case VK_FMT_R32G32_SINT:
-    case VK_FMT_R32G32B32_SINT:
-    case VK_FMT_R32G32B32A32_SINT:
-    case VK_FMT_B8G8R8_SINT:
-    case VK_FMT_B8G8R8A8_SINT:
-    case VK_FMT_R10G10B10A2_SINT:
-    case VK_FMT_B10G10R10A2_SINT:
+    case VK_FORMAT_R8_SINT:
+    case VK_FORMAT_R8G8_SINT:
+    case VK_FORMAT_R8G8B8_SINT:
+    case VK_FORMAT_R8G8B8A8_SINT:
+    case VK_FORMAT_R16_SINT:
+    case VK_FORMAT_R16G16_SINT:
+    case VK_FORMAT_R16G16B16_SINT:
+    case VK_FORMAT_R16G16B16A16_SINT:
+    case VK_FORMAT_R32_SINT:
+    case VK_FORMAT_R32G32_SINT:
+    case VK_FORMAT_R32G32B32_SINT:
+    case VK_FORMAT_R32G32B32A32_SINT:
+    case VK_FORMAT_B8G8R8_SINT:
+    case VK_FORMAT_B8G8R8A8_SINT:
+    case VK_FORMAT_R10G10B10A2_SINT:
+    case VK_FORMAT_B10G10R10A2_SINT:
         return FORMAT_TYPE_SINT;
-    case VK_FMT_R8_UINT:
-    case VK_FMT_R8G8_UINT:
-    case VK_FMT_R8G8B8_UINT:
-    case VK_FMT_R8G8B8A8_UINT:
-    case VK_FMT_R16_UINT:
-    case VK_FMT_R16G16_UINT:
-    case VK_FMT_R16G16B16_UINT:
-    case VK_FMT_R16G16B16A16_UINT:
-    case VK_FMT_R32_UINT:
-    case VK_FMT_R32G32_UINT:
-    case VK_FMT_R32G32B32_UINT:
-    case VK_FMT_R32G32B32A32_UINT:
-    case VK_FMT_B8G8R8_UINT:
-    case VK_FMT_B8G8R8A8_UINT:
-    case VK_FMT_R10G10B10A2_UINT:
-    case VK_FMT_B10G10R10A2_UINT:
+    case VK_FORMAT_R8_UINT:
+    case VK_FORMAT_R8G8_UINT:
+    case VK_FORMAT_R8G8B8_UINT:
+    case VK_FORMAT_R8G8B8A8_UINT:
+    case VK_FORMAT_R16_UINT:
+    case VK_FORMAT_R16G16_UINT:
+    case VK_FORMAT_R16G16B16_UINT:
+    case VK_FORMAT_R16G16B16A16_UINT:
+    case VK_FORMAT_R32_UINT:
+    case VK_FORMAT_R32G32_UINT:
+    case VK_FORMAT_R32G32B32_UINT:
+    case VK_FORMAT_R32G32B32A32_UINT:
+    case VK_FORMAT_B8G8R8_UINT:
+    case VK_FORMAT_B8G8R8A8_UINT:
+    case VK_FORMAT_R10G10B10A2_UINT:
+    case VK_FORMAT_B10G10R10A2_UINT:
         return FORMAT_TYPE_UINT;
     default:
         return FORMAT_TYPE_FLOAT;
@@ -744,7 +744,7 @@
 }
 
 
-VK_LAYER_EXPORT void * VKAPI vkGetProcAddr(VkPhysicalGpu gpu, const char* pName)
+VK_LAYER_EXPORT void * VKAPI vkGetProcAddr(VkPhysicalDevice gpu, const char* pName)
 {
     if (gpu == NULL)
         return NULL;
@@ -766,5 +766,5 @@
     VkBaseLayerObject* gpuw = (VkBaseLayerObject *) gpu;
     if (gpuw->pGPA == NULL)
         return NULL;
-    return gpuw->pGPA((VkPhysicalGpu) gpuw->nextObject, pName);
+    return gpuw->pGPA((VkPhysicalDevice) gpuw->nextObject, pName);
 }
diff --git a/tests/vkrenderframework.cpp b/tests/vkrenderframework.cpp
index a81ae89..7d3c777 100644
--- a/tests/vkrenderframework.cpp
+++ b/tests/vkrenderframework.cpp
@@ -1369,7 +1369,7 @@
 
     // bind pipeline, vertex buffer (descriptor set) and WVP (dynamic buffer view)
     vkCmdBindDescriptorSets(obj(), VK_PIPELINE_BIND_POINT_GRAPHICS,
-           descriptorSet.GetLayoutChain(), 0, 1, &set_obj, NULL );
+           0, 1, &set_obj, NULL );
 
     // Add descriptor set mem refs to command buffer's list
     mem_ref_mgr.AddMemoryRefs(descriptorSet.memories());
diff --git a/vulkan.py b/vulkan.py
index 18b6793..6f14c28 100755
--- a/vulkan.py
+++ b/vulkan.py
@@ -625,7 +625,6 @@
         Proto("void", "CmdBindDescriptorSets",
             [Param("VkCmdBuffer", "cmdBuffer"),
              Param("VkPipelineBindPoint", "pipelineBindPoint"),
-             Param("VkDescriptorSetLayoutChain", "layoutChain"),
              Param("uint32_t", "layoutChainSlot"),
              Param("uint32_t", "count"),
              Param("const VkDescriptorSet*", "pDescriptorSets"),