diff --git a/setup.py b/setup.py
index 36705b6df..e66fe7580 100755
--- a/setup.py
+++ b/setup.py
@@ -1067,7 +1067,7 @@ def update_go_generated_files(args: Options, kitty_exe: str) -> None:
 
     env = os.environ.copy()
     env['ASAN_OPTIONS'] = 'detect_leaks=0'
-    cp = subprocess.run([kitty_exe, '+launch', os.path.join(src_base, 'gen/go_code.py')], stdout=subprocess.PIPE, env=env)
+    cp = subprocess.run([kitty_exe, '+launch', os.path.join(src_base, 'gen/go_code.py')], stdout=subprocess.DEVNULL, env=env)
     if cp.returncode != 0:
         raise SystemExit(f'Generating go code failed with exit code: {cp.returncode}')