Index: scripts/MsgUtils/msgutils/templates/MsgDefs_proto.jinja
===================================================================
diff -u -r53d80d0edc1c441132b13f387f5f13570a7aafd2 -raaebfee335c74b0250864a6dce0555f866adadea
--- scripts/MsgUtils/msgutils/templates/MsgDefs_proto.jinja	(.../MsgDefs_proto.jinja)	(revision 53d80d0edc1c441132b13f387f5f13570a7aafd2)
+++ scripts/MsgUtils/msgutils/templates/MsgDefs_proto.jinja	(.../MsgDefs_proto.jinja)	(revision aaebfee335c74b0250864a6dce0555f866adadea)
@@ -9,10 +9,9 @@
 
 // Header is required as the first field (i.e. 'Header header = 1;') of every message.
 message Header {
-    string deviceSerialNum = 1;
-    google.protobuf.Timestamp timestamp = 2;
+    google.protobuf.Timestamp timestamp = 1;
+    int32 sequence = 2;
     uint32 msgId = 3;
-    int32 sequence = 4;
 }
 
 // Envelope is a minimal wrapper used to extract the Header from serialized messages without knowing the