diff --git a/src/tests/end2end/BindGroupTests.cpp b/src/tests/end2end/BindGroupTests.cpp
index cac7a8c7fb..7460ba1a31 100644
--- a/src/tests/end2end/BindGroupTests.cpp
+++ b/src/tests/end2end/BindGroupTests.cpp
@@ -1496,7 +1496,7 @@ TEST_P(BindGroupTests, ReallyLargeBindGroup) {
         interface << "[[group(0), binding(" << binding++ << ")]] "
                   << "var image" << i << " : texture_storage_2d<r32uint, write>;\n";
 
-        body << "ignore(image" << i << ");";
+        body << "_ = image" << i << ";";
     }
 
     for (uint32_t i = 0; i < kMaxUniformBuffersPerShaderStage; ++i) {
diff --git a/src/tests/end2end/FirstIndexOffsetTests.cpp b/src/tests/end2end/FirstIndexOffsetTests.cpp
index 7558e33b05..c716f2ad52 100644
--- a/src/tests/end2end/FirstIndexOffsetTests.cpp
+++ b/src/tests/end2end/FirstIndexOffsetTests.cpp
@@ -105,7 +105,7 @@ void FirstIndexOffsetTests::TestImpl(DrawMode mode,
         vertexBody << "  output.vertex_index = input.vertex_index;\n";
 
         fragmentInputs << "  [[location(1)]] vertex_index : u32;\n";
-        fragmentBody << "  ignore(atomicMin(&idx_vals.vertex_index, input.vertex_index));\n";
+        fragmentBody << "  _ = atomicMin(&idx_vals.vertex_index, input.vertex_index);\n";
     }
     if ((checkIndex & CheckIndex::Instance) != 0) {
         vertexInputs << "  [[builtin(instance_index)]] instance_index : u32;\n";
@@ -113,7 +113,7 @@ void FirstIndexOffsetTests::TestImpl(DrawMode mode,
         vertexBody << "  output.instance_index = input.instance_index;\n";
 
         fragmentInputs << "  [[location(2)]] instance_index : u32;\n";
-        fragmentBody << "  ignore(atomicMin(&idx_vals.instance_index, input.instance_index));\n";
+        fragmentBody << "  _ = atomicMin(&idx_vals.instance_index, input.instance_index);\n";
     }
 
     std::string vertexShader = R"(
diff --git a/src/tests/end2end/ShaderTests.cpp b/src/tests/end2end/ShaderTests.cpp
index bbb4791f84..7c32ad6d4b 100644
--- a/src/tests/end2end/ShaderTests.cpp
+++ b/src/tests/end2end/ShaderTests.cpp
@@ -342,7 +342,7 @@ struct Inputs {
 [[group(0), binding(1)]] var<uniform> providedData1 : S1;
 
 [[stage(vertex)]] fn vsMain(input : Inputs) -> [[builtin(position)]] vec4<f32> {
-  ignore(providedData1.data[input.vertexIndex][0]);
+  _ = providedData1.data[input.vertexIndex][0];
   return vec4<f32>();
 }
 
diff --git a/src/tests/unittests/validation/BindGroupValidationTests.cpp b/src/tests/unittests/validation/BindGroupValidationTests.cpp
index ab547915fc..122cc933d2 100644
--- a/src/tests/unittests/validation/BindGroupValidationTests.cpp
+++ b/src/tests/unittests/validation/BindGroupValidationTests.cpp
@@ -2072,12 +2072,12 @@ TEST_F(BindGroupLayoutCompatibilityTest, TextureViewDimension) {
     constexpr char kTexture2DShaderFS[] = R"(
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[stage(fragment)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })";
     constexpr char kTexture2DShaderCS[] = R"(
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[stage(compute), workgroup_size(1)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })";
 
     // Render: Test that 2D texture with 2D view dimension works
@@ -2111,12 +2111,12 @@ TEST_F(BindGroupLayoutCompatibilityTest, TextureViewDimension) {
     constexpr char kTexture2DArrayShaderFS[] = R"(
         [[group(0), binding(0)]] var myTexture : texture_2d_array<f32>;
         [[stage(fragment)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })";
     constexpr char kTexture2DArrayShaderCS[] = R"(
         [[group(0), binding(0)]] var myTexture : texture_2d_array<f32>;
         [[stage(compute), workgroup_size(1)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })";
 
     // Render: Test that 2D texture array with 2D array view dimension works
@@ -2158,7 +2158,7 @@ TEST_F(BindGroupLayoutCompatibilityTest, ExternalTextureBindGroupLayoutCompatibi
     CreateFSRenderPipeline(R"(
             [[group(0), binding(0)]] var myExternalTexture: texture_external;
             [[stage(fragment)]] fn main() {
-                ignore(myExternalTexture);
+                _ = myExternalTexture;
             })",
                            {bgl});
 
@@ -2166,7 +2166,7 @@ TEST_F(BindGroupLayoutCompatibilityTest, ExternalTextureBindGroupLayoutCompatibi
     ASSERT_DEVICE_ERROR(CreateFSRenderPipeline(R"(
             [[group(0), binding(0)]] var myTexture: texture_2d<f32>;
             [[stage(fragment)]] fn main() {
-                ignore(myTexture);
+                _ = myTexture;
             })",
                                                {bgl}));
 }
@@ -2397,7 +2397,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })");
     }
 
@@ -2409,7 +2409,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })");
     }
 
@@ -2421,7 +2421,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler_comparison;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })");
     }
 
@@ -2433,7 +2433,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         ASSERT_DEVICE_ERROR(CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler_comparison;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })"));
     }
 
@@ -2445,7 +2445,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         ASSERT_DEVICE_ERROR(CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler_comparison;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })"));
     }
 
@@ -2457,7 +2457,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
         ASSERT_DEVICE_ERROR(CreateFragmentPipeline(&bindGroupLayout, R"(
             [[group(0), binding(0)]] var mySampler: sampler;
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })"));
     }
 
@@ -2471,7 +2471,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_2d<f32>;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })");
     }
 
@@ -2485,7 +2485,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_2d<f32>;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })");
     }
 
@@ -2499,7 +2499,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_depth_2d;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })");
     }
 
@@ -2513,7 +2513,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_depth_2d;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })");
     }
 
@@ -2527,7 +2527,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler_comparison;
             [[group(0), binding(1)]] var myTexture: texture_depth_2d;
             [[stage(fragment)]] fn main() {
-                ignore(textureSampleCompare(myTexture, mySampler, vec2<f32>(0.0, 0.0), 0.0));
+                _ = textureSampleCompare(myTexture, mySampler, vec2<f32>(0.0, 0.0), 0.0);
             })");
     }
 
@@ -2541,7 +2541,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_2d<f32>;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })"));
     }
 
@@ -2555,7 +2555,7 @@ TEST_F(SamplerTypeBindingTest, ShaderAndBGLMatches) {
             [[group(0), binding(0)]] var mySampler: sampler;
             [[group(0), binding(1)]] var myTexture: texture_2d<f32>;
             [[stage(fragment)]] fn main() {
-                ignore(textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0)));
+                _ = textureSample(myTexture, mySampler, vec2<f32>(0.0, 0.0));
             })");
     }
 }
diff --git a/src/tests/unittests/validation/GetBindGroupLayoutValidationTests.cpp b/src/tests/unittests/validation/GetBindGroupLayoutValidationTests.cpp
index 45ef7c8edb..9d9109143c 100644
--- a/src/tests/unittests/validation/GetBindGroupLayoutValidationTests.cpp
+++ b/src/tests/unittests/validation/GetBindGroupLayoutValidationTests.cpp
@@ -181,8 +181,8 @@ TEST_F(GetBindGroupLayoutTests, DefaultTextureSampleType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(myTexture);
-            ignore(mySampler);
+            _ = myTexture;
+            _ = mySampler;
             return vec4<f32>();
         })");
 
@@ -190,8 +190,8 @@ TEST_F(GetBindGroupLayoutTests, DefaultTextureSampleType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(textureLoad(myTexture, vec2<i32>(), 0));
-            ignore(mySampler);
+            _ = textureLoad(myTexture, vec2<i32>(), 0);
+            _ = mySampler;
             return vec4<f32>();
         })");
 
@@ -199,7 +199,7 @@ TEST_F(GetBindGroupLayoutTests, DefaultTextureSampleType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(textureSampleLevel(myTexture, mySampler, vec2<f32>(), 0.0));
+            _ = textureSampleLevel(myTexture, mySampler, vec2<f32>(), 0.0);
             return vec4<f32>();
         })");
 
@@ -207,23 +207,23 @@ TEST_F(GetBindGroupLayoutTests, DefaultTextureSampleType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(fragment)]] fn main() {
-            ignore(myTexture);
-            ignore(mySampler);
+            _ = myTexture;
+            _ = mySampler;
         })");
 
     wgpu::ShaderModule textureLoadFragmentModule = utils::CreateShaderModule(device, R"(
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(fragment)]] fn main() {
-            ignore(textureLoad(myTexture, vec2<i32>(), 0));
-            ignore(mySampler);
+            _ = textureLoad(myTexture, vec2<i32>(), 0);
+            _ = mySampler;
         })");
 
     wgpu::ShaderModule textureSampleFragmentModule = utils::CreateShaderModule(device, R"(
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
         [[group(0), binding(1)]] var mySampler : sampler;
         [[stage(fragment)]] fn main() {
-            ignore(textureSample(myTexture, mySampler, vec2<f32>()));
+            _ = textureSample(myTexture, mySampler, vec2<f32>());
         })");
 
     auto BGLFromModules = [this](wgpu::ShaderModule vertexModule,
@@ -394,7 +394,7 @@ TEST_F(GetBindGroupLayoutTests, BindingType) {
             [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -406,7 +406,7 @@ TEST_F(GetBindGroupLayoutTests, BindingType) {
             [[group(0), binding(0)]] var myTexture : texture_multisampled_2d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -419,7 +419,7 @@ TEST_F(GetBindGroupLayoutTests, BindingType) {
             [[group(0), binding(0)]] var mySampler: sampler;
 
             [[stage(fragment)]] fn main() {
-                ignore(mySampler);
+                _ = mySampler;
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -447,7 +447,7 @@ TEST_F(GetBindGroupLayoutTests, ExternalTextureBindingType) {
             [[group(0), binding(0)]] var myExternalTexture: texture_external;
 
             [[stage(fragment)]] fn main() {
-               ignore(myExternalTexture);
+               _ = myExternalTexture;
             })");
     EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
         device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -475,7 +475,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_1d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -487,7 +487,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -499,7 +499,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_2d_array<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -511,7 +511,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_3d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -523,7 +523,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_cube<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -535,7 +535,7 @@ TEST_F(GetBindGroupLayoutTests, ViewDimension) {
             [[group(0), binding(0)]] var myTexture : texture_cube_array<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -563,7 +563,7 @@ TEST_F(GetBindGroupLayoutTests, TextureComponentType) {
             [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -575,7 +575,7 @@ TEST_F(GetBindGroupLayoutTests, TextureComponentType) {
             [[group(0), binding(0)]] var myTexture : texture_2d<i32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -587,7 +587,7 @@ TEST_F(GetBindGroupLayoutTests, TextureComponentType) {
             [[group(0), binding(0)]] var myTexture : texture_2d<u32>;
 
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(myTexture));
+                _ = textureDimensions(myTexture);
             })");
         EXPECT_TRUE(dawn_native::BindGroupLayoutBindingsEqualForTesting(
             device.CreateBindGroupLayout(&desc).Get(), pipeline.GetBindGroupLayout(0).Get()));
@@ -802,7 +802,7 @@ TEST_F(GetBindGroupLayoutTests, StageAggregation) {
     wgpu::ShaderModule vsModuleSampler = utils::CreateShaderModule(device, R"(
         [[group(0), binding(0)]] var mySampler: sampler;
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(mySampler);
+            _ = mySampler;
             return vec4<f32>();
         })");
 
@@ -813,7 +813,7 @@ TEST_F(GetBindGroupLayoutTests, StageAggregation) {
     wgpu::ShaderModule fsModuleSampler = utils::CreateShaderModule(device, R"(
         [[group(0), binding(0)]] var mySampler: sampler;
         [[stage(fragment)]] fn main() {
-            ignore(mySampler);
+            _ = mySampler;
         })");
 
     // Create BGLs with minBufferBindingSize 4 and 64.
@@ -900,7 +900,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureMultisampling) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
             return vec4<f32>();
         })");
 
@@ -908,7 +908,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureMultisampling) {
         [[group(0), binding(0)]] var myTexture : texture_multisampled_2d<f32>;
 
         [[stage(fragment)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })");
 
     utils::ComboRenderPipelineDescriptor descriptor;
@@ -925,7 +925,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingViewDimension) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
             return vec4<f32>();
         })");
 
@@ -933,7 +933,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingViewDimension) {
         [[group(0), binding(0)]] var myTexture : texture_3d<f32>;
 
         [[stage(fragment)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })");
 
     utils::ComboRenderPipelineDescriptor descriptor;
@@ -950,7 +950,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureComponentType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<f32>;
 
         [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
             return vec4<f32>();
         })");
 
@@ -958,7 +958,7 @@ TEST_F(GetBindGroupLayoutTests, ConflictingBindingTextureComponentType) {
         [[group(0), binding(0)]] var myTexture : texture_2d<i32>;
 
         [[stage(fragment)]] fn main() {
-            ignore(textureDimensions(myTexture));
+            _ = textureDimensions(myTexture);
         })");
 
     utils::ComboRenderPipelineDescriptor descriptor;
diff --git a/src/tests/unittests/validation/RenderPipelineValidationTests.cpp b/src/tests/unittests/validation/RenderPipelineValidationTests.cpp
index da8f66cee5..2ccb9289e1 100644
--- a/src/tests/unittests/validation/RenderPipelineValidationTests.cpp
+++ b/src/tests/unittests/validation/RenderPipelineValidationTests.cpp
@@ -639,7 +639,7 @@ TEST_F(RenderPipelineValidationTest, TextureComponentTypeCompatibility) {
                    << kScalarTypes[i] << R"(>;
 
                 [[stage(fragment)]] fn main() {
-                    ignore(textureDimensions(myTexture));
+                    _ = textureDimensions(myTexture);
                 })";
             descriptor.cFragment.module = utils::CreateShaderModule(device, stream.str().c_str());
             descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None;
@@ -688,7 +688,7 @@ TEST_F(RenderPipelineValidationTest, TextureViewDimensionCompatibility) {
                 [[group(0), binding(0)]] var myTexture : )"
                    << kTextureKeywords[i] << R"(<f32>;
                 [[stage(fragment)]] fn main() {
-                    ignore(textureDimensions(myTexture));
+                    _ = textureDimensions(myTexture);
                 })";
             descriptor.cFragment.module = utils::CreateShaderModule(device, stream.str().c_str());
             descriptor.cTargets[0].writeMask = wgpu::ColorWriteMask::None;
diff --git a/src/tests/unittests/validation/ShaderModuleValidationTests.cpp b/src/tests/unittests/validation/ShaderModuleValidationTests.cpp
index 36eb4b5b54..eebc5d2689 100644
--- a/src/tests/unittests/validation/ShaderModuleValidationTests.cpp
+++ b/src/tests/unittests/validation/ShaderModuleValidationTests.cpp
@@ -481,11 +481,11 @@ TEST_F(ShaderModuleValidationTest, ComputeWorkgroupStorageSizeLimits) {
         std::ostringstream body;
         if (vec4_count > 0) {
             ss << "var<workgroup> vec4_data: array<vec4<f32>, " << vec4_count << ">;";
-            body << "ignore(vec4_data);";
+            body << "_ = vec4_data;";
         }
         if (mat4_count > 0) {
             ss << "var<workgroup> mat4_data: array<mat4x4<f32>, " << mat4_count << ">;";
-            body << "ignore(mat4_data);";
+            body << "_ = mat4_data;";
         }
         ss << "[[stage(compute), workgroup_size(1)]] fn main() { " << body.str() << " }";
         utils::CreateShaderModule(device, ss.str().c_str());
@@ -519,4 +519,4 @@ TEST_F(ShaderModuleValidationTest, OverridableConstantsNumericIDConflicts) {
     buf.data[0] = c0;
     buf.data[1] = c1;
 })"));
-}
\ No newline at end of file
+}
diff --git a/src/tests/unittests/validation/StorageTextureValidationTests.cpp b/src/tests/unittests/validation/StorageTextureValidationTests.cpp
index 65287712b1..f193ab8682 100644
--- a/src/tests/unittests/validation/StorageTextureValidationTests.cpp
+++ b/src/tests/unittests/validation/StorageTextureValidationTests.cpp
@@ -83,7 +83,7 @@ class StorageTextureValidationTests : public ValidationTest {
                 << imageFormatQualifier << ", " << access
                 << ">;\n"
                    "[[stage(compute), workgroup_size(1)]] fn main() {\n"
-                   "    ignore(textureDimensions(image0));\n"
+                   "    _ = textureDimensions(image0);\n"
                    "}\n";
 
         return ostream.str();
@@ -176,7 +176,7 @@ TEST_F(StorageTextureValidationTests, ReadWriteStorageTexture) {
         ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"(
             [[group(0), binding(0)]] var image0 : texture_storage_2d<rgba8unorm, read_write>;
             [[stage(vertex)]] fn main() {
-                ignore(textureDimensions(image0));
+                _ = textureDimensions(image0);
             })"));
     }
 
@@ -185,7 +185,7 @@ TEST_F(StorageTextureValidationTests, ReadWriteStorageTexture) {
         ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"(
             [[group(0), binding(0)]] var image0 : texture_storage_2d<rgba8unorm, read_write>;
             [[stage(fragment)]] fn main() {
-                ignore(textureDimensions(image0));
+                _ = textureDimensions(image0);
             })"));
     }
 
@@ -194,7 +194,7 @@ TEST_F(StorageTextureValidationTests, ReadWriteStorageTexture) {
         ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"(
             [[group(0), binding(0)]] var image0 : texture_storage_2d<rgba8unorm, read_write>;
             [[stage(compute), workgroup_size(1)]] fn main() {
-                ignore(textureDimensions(image0));
+                _ = textureDimensions(image0);
             })"));
     }
 }
diff --git a/src/tests/white_box/D3D12DescriptorHeapTests.cpp b/src/tests/white_box/D3D12DescriptorHeapTests.cpp
index b38eb5f0b9..4050667e12 100644
--- a/src/tests/white_box/D3D12DescriptorHeapTests.cpp
+++ b/src/tests/white_box/D3D12DescriptorHeapTests.cpp
@@ -183,7 +183,7 @@ TEST_P(D3D12DescriptorHeapTests, NoSwitchOverSamplerHeap) {
     renderPipelineDescriptor.cFragment.module = utils::CreateShaderModule(device, R"(
             [[group(0), binding(0)]] var sampler0 : sampler;
             [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> {
-                ignore(sampler0);
+                _ = sampler0;
                 return vec4<f32>(0.0, 0.0, 0.0, 0.0);
             })");