diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py
index 4a598bfb45..99a67ba61f 100644
--- a/yt_dlp/utils/_utils.py
+++ b/yt_dlp/utils/_utils.py
@@ -168,7 +168,7 @@ def IDENTITY(x):
 NUMBER_RE = r'\d+(?:\.\d+)?'
 
 WINDOWS_RESERVED_NAMES = (
-    'CON', 'CONOUT$', 'CONIN$', 'PRN', 'AUX', 'CLOCK$', 'NUL',
+    'CON', 'CONOUT$', 'CONIN$', 'PRN', 'AUX', 'NUL',
     *tuple(f'{name:s}{num:d}' for name, num in itertools.product(('COM', 'LPT'), range(10))),
     *tuple(
         f'{name:s}{ssd:s}'