diff --git a/src/webgpu/api/operation/rendering/depth_bias.spec.ts b/src/webgpu/api/operation/rendering/depth_bias.spec.ts
index 03caff3b25d9..17e80c5da94c 100644
--- a/src/webgpu/api/operation/rendering/depth_bias.spec.ts
+++ b/src/webgpu/api/operation/rendering/depth_bias.spec.ts
@@ -304,6 +304,12 @@ g.test('depth_bias')
         },
       ] as const)
   )
+  .beforeAllSubcases(t => {
+    t.skipIf(
+      t.isCompatibility && t.params.biasClamp !== 0,
+      'non zero depthBiasClamp is not supported in compatibility mode'
+    );
+  })
   .fn(t => {
     t.runDepthBiasTest('depth32float', t.params);
   });
@@ -346,6 +352,12 @@ g.test('depth_bias_24bit_format')
         },
       ] as const)
   )
+  .beforeAllSubcases(t => {
+    t.skipIf(
+      t.isCompatibility && t.params.biasClamp !== 0,
+      'non zero depthBiasClamp is not supported in compatibility mode'
+    );
+  })
   .fn(t => {
     const { format } = t.params;
     t.runDepthBiasTestFor24BitFormat(format, t.params);