diff --git a/rtc_tools/testing/utils.py b/rtc_tools/testing/utils.py
index 8e50e58a5c..7968dad62b 100755
--- a/rtc_tools/testing/utils.py
+++ b/rtc_tools/testing/utils.py
@@ -76,7 +76,7 @@ def RemoveDirectory(*path):
   if sys.platform == 'win32':
     # Give up and use cmd.exe's rd command.
     file_path = os.path.normcase(file_path)
-    for _ in xrange(3):
+    for _ in range(3):
       print('RemoveDirectory running %s' % (' '.join(
           ['cmd.exe', '/c', 'rd', '/q', '/s', file_path])))
       if not subprocess.call(['cmd.exe', '/c', 'rd', '/q', '/s', file_path]):