diff --git a/protocols/osi1-2/eth-packet.yml b/protocols/osi1-2/eth-packet.yml
index 026ee8e..fdd45c0 100644
--- a/protocols/osi1-2/eth-packet.yml
+++ b/protocols/osi1-2/eth-packet.yml
@@ -10,6 +10,5 @@ protocol: &ethpacket
       field: Start of frame delimiter
       length: 1
     - field: eth-frame
-      length: 0
       data: true
       reference: eth-frame
\ No newline at end of file
diff --git a/protocols/osi3/ip.yml b/protocols/osi3/ipv4.yml
similarity index 100%
rename from protocols/osi3/ip.yml
rename to protocols/osi3/ipv4.yml