diff --git a/CHANGELOG b/CHANGELOG
index 784a648..6727890 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,6 +5,7 @@
 - fix cache entrys not being cleaned up on submount expire.
 - fix LDAP lookup delete cache entry only if entry doesn't exist. 
 - add missing socket close in replicated host check (Jeff Moyer).
+- remove unused option UNDERSCORETODOT from default config files.
 
 1/9/2006 autofs-5.0.1 rc2
 -------------------------
diff --git a/redhat/autofs.sysconfig.in b/redhat/autofs.sysconfig.in
index eca1392..7cbc03f 100644
--- a/redhat/autofs.sysconfig.in
+++ b/redhat/autofs.sysconfig.in
@@ -50,7 +50,3 @@ # General global options
 #
 #OPTIONS=""
 #
-#
-#  UNDERSCORETODOT changes auto_home to auto.home and auto_mnt to auto.mnt
-UNDERSCORETODOT=1
-
diff --git a/samples/autofs.conf.default.in b/samples/autofs.conf.default.in
index eca1392..7cbc03f 100644
--- a/samples/autofs.conf.default.in
+++ b/samples/autofs.conf.default.in
@@ -50,7 +50,3 @@ # General global options
 #
 #OPTIONS=""
 #
-#
-#  UNDERSCORETODOT changes auto_home to auto.home and auto_mnt to auto.mnt
-UNDERSCORETODOT=1
-