diff --git a/lib/web_ui/dev/steps/copy_artifacts_step.dart b/lib/web_ui/dev/steps/copy_artifacts_step.dart
index 7c7293bbd5fc6..d74134f681f0d 100644
--- a/lib/web_ui/dev/steps/copy_artifacts_step.dart
+++ b/lib/web_ui/dev/steps/copy_artifacts_step.dart
@@ -137,6 +137,10 @@ class CopyArtifactsStep implements PipelineStep {
     ));
 
     for (final io.File imageFile in testImagesDir.listSync(recursive: true).whereType<io.File>()) {
+      // Skip files that are used by Skia to test handling of invalid input.
+      if (pathlib.basename(imageFile.path).contains('invalid')) {
+        continue;
+      }
       final io.File destination = io.File(pathlib.join(
         environment.webTestsArtifactsDir.path,
         'test_images',