diff --git a/config/filter.d/apache-auth.conf b/config/filter.d/apache-auth.conf
index 083cfbc8..fa453309 100644
--- a/config/filter.d/apache-auth.conf
+++ b/config/filter.d/apache-auth.conf
@@ -33,7 +33,6 @@ failregex = ^%(_apache_error_client)s client denied by server configuration: (ur
             ^%(_apache_error_client)s user .* not found: \S*\s*$
             ^%(_apache_error_client)s client used wrong authentication scheme: \S*\s*$
             ^%(_apache_error_client)s Authorization of user \S+ to access \S* failed, reason: .*$
-            ^%(_apache_error_client)s authorization failure \(no authenticated user\): \S*\s*$
             ^%(_apache_error_client)s (Digest: )?user .*: password mismatch: \S*\s*$
             ^%(_apache_error_client)s (Digest: )?user `.*' in realm `.+' (not found|denied by provider): \S*\s*$
             ^%(_apache_error_client)s user .* authorization failure: \S*\s*$