diff --git a/core/src/main/resources/org/apache/struts2/default.properties b/core/src/main/resources/org/apache/struts2/default.properties
index 1da53b1f4..1abb1f3b8 100644
--- a/core/src/main/resources/org/apache/struts2/default.properties
+++ b/core/src/main/resources/org/apache/struts2/default.properties
@@ -24,11 +24,6 @@
 ###(can be overridden by a struts.properties file in the root of the classpath)
 ###
 
-### Specifies the Configuration used to configure Struts
-### one could extend org.apache.struts2.config.Configuration
-### to build one's customize way of getting the configurations parameters into Struts
-# struts.configuration=org.apache.struts2.config.DefaultConfiguration
-
 ### This can be used to set your default locale and encoding scheme
 # struts.locale=en_US
 struts.i18n.encoding=UTF-8