diff --git a/flask_appbuilder/security/manager.py b/flask_appbuilder/security/manager.py
index <HASH>..<HASH> 100644
--- a/flask_appbuilder/security/manager.py
+++ b/flask_appbuilder/security/manager.py
@@ -691,7 +691,6 @@ class BaseSecurityManager(AbstractSecurityManager):
 
         # User does not exist, create one if auto user registration.
         if user is None and self.auth_user_registration:
-            log.info(LOGMSG_WAR_SEC_LOGIN_FAILED.format(username))
             user = self.add_user(
                 # All we have is REMOTE_USER, so we set
                 # the other fields to blank.
Remove erroneous log message during auto user registration with AUTH_REMOTE_USER