diff --git a/packages/playwright/src/plugins/gitCommitInfoPlugin.ts b/packages/playwright/src/plugins/gitCommitInfoPlugin.ts
index c69d953b62..229b6b1aef 100644
--- a/packages/playwright/src/plugins/gitCommitInfoPlugin.ts
+++ b/packages/playwright/src/plugins/gitCommitInfoPlugin.ts
@@ -35,9 +35,6 @@ export const gitCommitInfo = (options?: GitCommitInfoPluginOptions): TestRunnerP
       const fromEnv = linksFromEnv();
       const fromCLI = await gitStatusFromCLI(options?.directory || configDir);
       const info = { ...fromEnv, ...fromCLI };
-      if (info['revision.timestamp'] instanceof Date)
-        info['revision.timestamp'] = info['revision.timestamp'].getTime();
-
       config.metadata = config.metadata || {};
       config.metadata['git.commit.info'] = info;
     },