diff --git a/dtds/dc.dtd b/dtds/dc.dtd
index d5d660608c..b2f630aa40 100644
--- a/dtds/dc.dtd
+++ b/dtds/dc.dtd
@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="dc" description="Dublin Core Metadata (DC)" ?>
-<!--
-$Id:$
--->
 <!--
     elements definitions for the Dublin Core Metadata DC schema
     element names obtained from http://www.dublincore.org/schemas/xmls/qdc/2003/04/02/dc.xsd
diff --git a/dtds/itunes.dtd b/dtds/itunes.dtd
index a0ca25489b..ed1963e6ae 100644
--- a/dtds/itunes.dtd
+++ b/dtds/itunes.dtd
@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="itunes" hierarchy="yes" description="iTunes podCast rss elements" ?>
-<!--
-$Id:$
--->
 
 <!DOCTYPE itunes [
     
diff --git a/dtds/mscml.dtd b/dtds/mscml.dtd
index 84c8558990..0a532d5728 100644
--- a/dtds/mscml.dtd
+++ b/dtds/mscml.dtd
@@ -3,9 +3,6 @@
    media="application/mediaservercontrol+xml" 
    description="Media Server Control Markup Language - draft 07"
    hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 <!--
     DTD for MSCML - draft 07
diff --git a/dtds/pocsettings.dtd b/dtds/pocsettings.dtd
index 07da215360..b474d1c9a5 100644
--- a/dtds/pocsettings.dtd
+++ b/dtds/pocsettings.dtd
@@ -2,9 +2,6 @@
    proto_name="poc-settings"
    description="poc-settings XML doc (RFC 4354)"
    hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 
 <!ELEMENT poc-settings (entity)* >
diff --git a/dtds/rss.dtd b/dtds/rss.dtd
index 2e909da6b8..163fc75f86 100644
--- a/dtds/rss.dtd
+++ b/dtds/rss.dtd
@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="rss" hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 <!--
     this DTD is made so that wireshark can dissect RSS up to 2.0, do not try to use it for validating RSS documents
diff --git a/dtds/smil.dtd b/dtds/smil.dtd
index 8952e9bec8..20295de5ec 100644
--- a/dtds/smil.dtd
+++ b/dtds/smil.dtd
@@ -3,9 +3,6 @@
 	media="application/smil"
 	description="Synchronized Multimedia Integration Language"
 	?>
-<!--
-$Id:$
--->
 
 <!--