diff --git a/generator/templates/dawn_wire/server/ServerDoers.cpp b/generator/templates/dawn_wire/server/ServerDoers.cpp
index 0c3031cffc..a663956ea3 100644
--- a/generator/templates/dawn_wire/server/ServerDoers.cpp
+++ b/generator/templates/dawn_wire/server/ServerDoers.cpp
@@ -94,9 +94,7 @@ namespace dawn_wire { namespace server {
                             //* Dawn native that makes all child objects internally null if their
                             //* Device is destroyed.
                             while (data->info->childObjectTypesAndIds.size() > 0) {
-                                ObjectType childObjectType;
-                                ObjectId childObjectId;
-                                std::tie(childObjectType, childObjectId) = UnpackObjectTypeAndId(
+                                auto [childObjectType, childObjectId] = UnpackObjectTypeAndId(
                                     *data->info->childObjectTypesAndIds.begin());
                                 if (!DoDestroyObject(childObjectType, childObjectId)) {
                                     return false;
diff --git a/src/tests/end2end/GpuMemorySynchronizationTests.cpp b/src/tests/end2end/GpuMemorySynchronizationTests.cpp
index 3c9d273726..96b732b94d 100644
--- a/src/tests/end2end/GpuMemorySynchronizationTests.cpp
+++ b/src/tests/end2end/GpuMemorySynchronizationTests.cpp
@@ -94,9 +94,7 @@ class GpuMemorySyncTests : public DawnTest {
 TEST_P(GpuMemorySyncTests, ComputePass) {
     // Create pipeline, bind group, and buffer for compute pass.
     wgpu::Buffer buffer = CreateBuffer();
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup bindGroup;
-    std::tie(compute, bindGroup) = CreatePipelineAndBindGroupForCompute(buffer);
+    auto [compute, bindGroup] = CreatePipelineAndBindGroupForCompute(buffer);
     wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
 
     // Iterate the read-add-write operations in compute pass a few times.
@@ -126,10 +124,7 @@ TEST_P(GpuMemorySyncTests, RenderPass) {
     // Create pipeline, bind group, and buffer for render pass.
     wgpu::Buffer buffer = CreateBuffer();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup bindGroup;
-    std::tie(render, bindGroup) =
-        CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
+    auto [render, bindGroup] = CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
     wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
 
     // Iterate the read-add-write operations in render pass a few times.
@@ -155,14 +150,9 @@ TEST_P(GpuMemorySyncTests, RenderPassToComputePass) {
     // Create pipeline, bind group, and buffer for render pass and compute pass.
     wgpu::Buffer buffer = CreateBuffer();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup bindGroup0;
-    std::tie(render, bindGroup0) =
-        CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
 
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup bindGroup1;
-    std::tie(compute, bindGroup1) = CreatePipelineAndBindGroupForCompute(buffer);
+    auto [render, bindGroup0] = CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
+    auto [compute, bindGroup1] = CreatePipelineAndBindGroupForCompute(buffer);
 
     wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
 
@@ -192,15 +182,10 @@ TEST_P(GpuMemorySyncTests, RenderPassToComputePass) {
 TEST_P(GpuMemorySyncTests, ComputePassToRenderPass) {
     // Create pipeline, bind group, and buffer for compute pass and render pass.
     wgpu::Buffer buffer = CreateBuffer();
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup bindGroup1;
-    std::tie(compute, bindGroup1) = CreatePipelineAndBindGroupForCompute(buffer);
+    auto [compute, bindGroup1] = CreatePipelineAndBindGroupForCompute(buffer);
 
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup bindGroup0;
-    std::tie(render, bindGroup0) =
-        CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
+    auto [render, bindGroup0] = CreatePipelineAndBindGroupForRender(buffer, renderPass.colorFormat);
 
     wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
 
@@ -300,12 +285,8 @@ TEST_P(StorageToUniformSyncTests, ReadAfterWriteWithSameCommandBuffer) {
     // Create pipeline, bind group, and buffer for compute pass and render pass.
     CreateBuffer();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup computeBindGroup;
-    std::tie(compute, computeBindGroup) = CreatePipelineAndBindGroupForCompute();
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup renderBindGroup;
-    std::tie(render, renderBindGroup) = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
+    auto [compute, computeBindGroup] = CreatePipelineAndBindGroupForCompute();
+    auto [render, renderBindGroup] = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
 
     // Write data into a storage buffer in compute pass.
     wgpu::CommandEncoder encoder0 = device.CreateCommandEncoder();
@@ -336,12 +317,8 @@ TEST_P(StorageToUniformSyncTests, ReadAfterWriteWithDifferentCommandBuffers) {
     // Create pipeline, bind group, and buffer for compute pass and render pass.
     CreateBuffer();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup computeBindGroup;
-    std::tie(compute, computeBindGroup) = CreatePipelineAndBindGroupForCompute();
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup renderBindGroup;
-    std::tie(render, renderBindGroup) = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
+    auto [compute, computeBindGroup] = CreatePipelineAndBindGroupForCompute();
+    auto [render, renderBindGroup] = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
 
     // Write data into a storage buffer in compute pass.
     wgpu::CommandBuffer cb[2];
@@ -375,12 +352,8 @@ TEST_P(StorageToUniformSyncTests, ReadAfterWriteWithDifferentQueueSubmits) {
     // Create pipeline, bind group, and buffer for compute pass and render pass.
     CreateBuffer();
     utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 1, 1);
-    wgpu::ComputePipeline compute;
-    wgpu::BindGroup computeBindGroup;
-    std::tie(compute, computeBindGroup) = CreatePipelineAndBindGroupForCompute();
-    wgpu::RenderPipeline render;
-    wgpu::BindGroup renderBindGroup;
-    std::tie(render, renderBindGroup) = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
+    auto [compute, computeBindGroup] = CreatePipelineAndBindGroupForCompute();
+    auto [render, renderBindGroup] = CreatePipelineAndBindGroupForRender(renderPass.colorFormat);
 
     // Write data into a storage buffer in compute pass.
     wgpu::CommandBuffer cb[2];
diff --git a/src/tests/unittests/validation/BindGroupValidationTests.cpp b/src/tests/unittests/validation/BindGroupValidationTests.cpp
index 4051acafb0..16302b9e90 100644
--- a/src/tests/unittests/validation/BindGroupValidationTests.cpp
+++ b/src/tests/unittests/validation/BindGroupValidationTests.cpp
@@ -1916,9 +1916,7 @@ class SetBindGroupPersistenceValidationTest : public ValidationTest {
 
 // Test it is valid to set bind groups before setting the pipeline.
 TEST_F(SetBindGroupPersistenceValidationTest, BindGroupBeforePipeline) {
-    std::vector<wgpu::BindGroupLayout> bindGroupLayouts;
-    wgpu::RenderPipeline pipeline;
-    std::tie(bindGroupLayouts, pipeline) = SetUpLayoutsAndPipeline({{
+    auto [bindGroupLayouts, pipeline] = SetUpLayoutsAndPipeline({{
         {{
             wgpu::BufferBindingType::Uniform,
             wgpu::BufferBindingType::Uniform,
@@ -1957,9 +1955,7 @@ TEST_F(SetBindGroupPersistenceValidationTest, BindGroupBeforePipeline) {
 // Test that it is valid to draw with bind groups that are not "inherited". They persist
 // after a pipeline change.
 TEST_F(SetBindGroupPersistenceValidationTest, NotVulkanInheritance) {
-    std::vector<wgpu::BindGroupLayout> bindGroupLayoutsA;
-    wgpu::RenderPipeline pipelineA;
-    std::tie(bindGroupLayoutsA, pipelineA) = SetUpLayoutsAndPipeline({{
+    auto [bindGroupLayoutsA, pipelineA] = SetUpLayoutsAndPipeline({{
         {{
             wgpu::BufferBindingType::Uniform,
             wgpu::BufferBindingType::Storage,
@@ -1970,9 +1966,7 @@ TEST_F(SetBindGroupPersistenceValidationTest, NotVulkanInheritance) {
         }},
     }});
 
-    std::vector<wgpu::BindGroupLayout> bindGroupLayoutsB;
-    wgpu::RenderPipeline pipelineB;
-    std::tie(bindGroupLayoutsB, pipelineB) = SetUpLayoutsAndPipeline({{
+    auto [bindGroupLayoutsB, pipelineB] = SetUpLayoutsAndPipeline({{
         {{
             wgpu::BufferBindingType::Storage,
             wgpu::BufferBindingType::Uniform,