diff --git a/Doc/howto/logging.rst b/Doc/howto/logging.rst
index b4dd9206c9d..fcc6bec7688 100644
--- a/Doc/howto/logging.rst
+++ b/Doc/howto/logging.rst
@@ -684,7 +684,6 @@ Here is the logging.conf file:
 
     [formatter_simpleFormatter]
     format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
-    datefmt=
 
 The output is nearly identical to that of the non-config-file-based example: