diff --git a/src/microsoft/vulkan/dzn_descriptor_set.c b/src/microsoft/vulkan/dzn_descriptor_set.c
index b1ee2e28c4b..685d74704d9 100644
--- a/src/microsoft/vulkan/dzn_descriptor_set.c
+++ b/src/microsoft/vulkan/dzn_descriptor_set.c
@@ -1819,7 +1819,7 @@ dzn_descriptor_set_copy(const VkCopyDescriptorSet *pDescriptorCopy)
           copied_count < pDescriptorCopy->descriptorCount) {
       VkDescriptorType src_type =
          dzn_descriptor_set_ptr_get_vk_type(src_set->layout, &src_ptr);
-      VkDescriptorType dst_type =
+      ASSERTED VkDescriptorType dst_type =
          dzn_descriptor_set_ptr_get_vk_type(dst_set->layout, &dst_ptr);
 
       assert(src_type == dst_type);
@@ -1928,7 +1928,7 @@ dzn_descriptor_update_template_create(struct dzn_device *device,
                                   info->pDescriptorUpdateEntries[e].dstBinding,
                                   info->pDescriptorUpdateEntries[e].dstArrayElement);
       uint32_t desc_count = info->pDescriptorUpdateEntries[e].descriptorCount;
-      VkDescriptorType type = info->pDescriptorUpdateEntries[e].descriptorType;
+      ASSERTED VkDescriptorType type = info->pDescriptorUpdateEntries[e].descriptorType;
       uint32_t d = 0;
 
       while (dzn_descriptor_set_ptr_is_valid(&ptr) && d < desc_count) {
diff --git a/src/microsoft/vulkan/dzn_device.c b/src/microsoft/vulkan/dzn_device.c
index 2f2aec26152..a54c0170966 100644
--- a/src/microsoft/vulkan/dzn_device.c
+++ b/src/microsoft/vulkan/dzn_device.c
@@ -596,7 +596,7 @@ dzn_physical_device_get_format_support(struct dzn_physical_device *pdev,
    };
 
    ID3D12Device2 *dev = dzn_physical_device_get_d3d12_dev(pdev);
-   HRESULT hres =
+   ASSERTED HRESULT hres =
       ID3D12Device1_CheckFeatureSupport(dev, D3D12_FEATURE_FORMAT_SUPPORT,
                                         &dfmt_info, sizeof(dfmt_info));
    assert(!FAILED(hres));
@@ -2194,7 +2194,7 @@ dzn_device_memory_create(struct dzn_device *device,
    vk_foreach_struct_const(ext, pAllocateInfo->pNext) {
       switch (ext->sType) {
       case VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO: {
-         const VkExportMemoryAllocateInfo *exp =
+         UNUSED const VkExportMemoryAllocateInfo *exp =
             (const VkExportMemoryAllocateInfo *)ext;
 
          // TODO: support export
diff --git a/src/microsoft/vulkan/dzn_image.c b/src/microsoft/vulkan/dzn_image.c
index 5bbef22d2f1..c14b6fb791f 100644
--- a/src/microsoft/vulkan/dzn_image.c
+++ b/src/microsoft/vulkan/dzn_image.c
@@ -690,7 +690,7 @@ dzn_BindImageMemory2(VkDevice dev,
          case VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_SWAPCHAIN_INFO_KHR: {
             const VkBindImageMemorySwapchainInfoKHR *swapchain_info =
                (const VkBindImageMemorySwapchainInfoKHR *) s;
-            struct dzn_image *swapchain_image =
+            ASSERTED struct dzn_image *swapchain_image =
                dzn_swapchain_get_image(device,
                                        swapchain_info->swapchain,
                                        swapchain_info->imageIndex);
@@ -1144,7 +1144,7 @@ dzn_image_view_init(struct dzn_device *device,
    VK_FROM_HANDLE(dzn_image, image, pCreateInfo->image);
 
    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
-   uint32_t layer_count = dzn_get_layer_count(image, range);
+   ASSERTED uint32_t layer_count = dzn_get_layer_count(image, range);
 
    vk_image_view_init(&device->vk, &iview->vk, false, pCreateInfo);
 
diff --git a/src/microsoft/vulkan/dzn_meta.c b/src/microsoft/vulkan/dzn_meta.c
index 69309ff0231..d04c6c23be5 100644
--- a/src/microsoft/vulkan/dzn_meta.c
+++ b/src/microsoft/vulkan/dzn_meta.c
@@ -45,7 +45,7 @@ dzn_meta_compile_shader(struct dzn_device *device, nir_shader *nir,
 
    struct nir_to_dxil_options opts = { .environment = DXIL_ENVIRONMENT_VULKAN };
    struct blob dxil_blob;
-   bool ret = nir_to_dxil(nir, &opts, &dxil_blob);
+   ASSERTED bool ret = nir_to_dxil(nir, &opts, &dxil_blob);
    assert(ret);
 
    char *err = NULL;
diff --git a/src/microsoft/vulkan/dzn_pipeline.c b/src/microsoft/vulkan/dzn_pipeline.c
index 1e325750bff..e1137c95446 100644
--- a/src/microsoft/vulkan/dzn_pipeline.c
+++ b/src/microsoft/vulkan/dzn_pipeline.c
@@ -1521,7 +1521,7 @@ dzn_pipeline_init(struct dzn_pipeline *pipeline,
    memcpy(pipeline->sets, layout->sets, sizeof(pipeline->sets));
    vk_object_base_init(&device->vk, &pipeline->base, VK_OBJECT_TYPE_PIPELINE);
 
-   uint32_t max_streamsz =
+   ASSERTED uint32_t max_streamsz =
       type == VK_PIPELINE_BIND_POINT_GRAPHICS ?
       MAX_GFX_PIPELINE_STATE_STREAM_SIZE :
       MAX_COMPUTE_PIPELINE_STATE_STREAM_SIZE;
@@ -1853,9 +1853,9 @@ dzn_graphics_pipeline_get_state(struct dzn_graphics_pipeline *pipeline,
          }
       }
 
-      HRESULT hres = ID3D12Device2_CreatePipelineState(device->dev, &stream_desc,
-                                                       &IID_ID3D12PipelineState,
-                                                       (void**)(&variant->state));
+      ASSERTED HRESULT hres = ID3D12Device2_CreatePipelineState(device->dev, &stream_desc,
+                                                                &IID_ID3D12PipelineState,
+                                                                (void**)(&variant->state));
       assert(!FAILED(hres));
       he = _mesa_hash_table_insert(pipeline->variants, &variant->key, variant);
       assert(he);