diff --git a/python/ray/log_monitor.py b/python/ray/log_monitor.py
index b0427b1d4e10..37239950e110 100644
--- a/python/ray/log_monitor.py
+++ b/python/ray/log_monitor.py
@@ -115,8 +115,7 @@ def update_log_filenames(self):
         log_file_paths = glob.glob("{}/worker*[.out|.err]".format(
             self.logs_dir))
         # segfaults and other serious errors are logged here
-        raylet_err_paths = (glob.glob("{}/raylet*.err".format(self.logs_dir)) +
-                            glob.glob("{}/monitor*.err".format(self.logs_dir)))
+        raylet_err_paths = glob.glob("{}/raylet*.err".format(self.logs_dir))
         for file_path in log_file_paths + raylet_err_paths:
             if os.path.isfile(
                     file_path) and file_path not in self.log_filenames: