diff --git a/conf/sip_profiles/internal-ipv6.xml b/conf/sip_profiles/internal-ipv6.xml
index 02a0d13e18..e2c72c831f 100644
--- a/conf/sip_profiles/internal-ipv6.xml
+++ b/conf/sip_profiles/internal-ipv6.xml
@@ -22,7 +22,6 @@
     <!-- ip address to bind to -->
     <param name="sip-ip" value="$${local_ip_v6}"/>
     <param name="hold-music" value="$${hold_music}"/>
-    <!--<param name="enable-timer" value="false"/>-->
     <!--<param name="enable-100rel" value="false"/>-->
     <param name="apply-inbound-acl" value="domains"/>
     <!--<param name="apply-register-acl" value="domains"/>-->
diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 09bc787f1b..ceea13a565 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -54,7 +54,6 @@
     <param name="hold-music" value="$${hold_music}"/>
     <param name="apply-nat-acl" value="rfc1918"/>
     <!--<param name="aggressive-nat-detection" value="true"/>-->
-    <!--<param name="enable-timer" value="false"/>-->
     <!--<param name="enable-100rel" value="true"/>-->
     <!--<param name="minimum-session-expires" value="120"/>-->
     <param name="apply-inbound-acl" value="domains"/>