diff --git a/x.py b/x.py
index a248672b952..fefc43e4497 100755
--- a/x.py
+++ b/x.py
@@ -302,7 +302,7 @@ def test_go(dir: str, cli_path: str, rest: List[str]) -> None:
     workspace = basedir / 'workspace'
 
     args = [
-        'test', '-timeout=2700s', '-bench=.', './...',
+        'test', '-timeout=1800s', '-bench=.', './...',
         f'-binPath={binpath}',
         f'-cliPath={cli_path}',
         f'-workspace={workspace}',