diff --git a/eth/protocol.go b/eth/protocol.go
index 808ac060117442a86b4f1013219223a635f45cbf..7de0cb02086a40486a7794f3d6250ba3c38b6813 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -37,10 +37,10 @@ const (
 var ProtocolName = "eth"
 
 // Supported versions of the eth protocol (first is primary).
-var ProtocolVersions = []uint{eth63, eth62, eth61}
+var ProtocolVersions = []uint{eth63, eth62}
 
 // Number of implemented message corresponding to different protocol versions.
-var ProtocolLengths = []uint64{17, 8, 9}
+var ProtocolLengths = []uint64{17, 8}
 
 const (
 	NetworkId          = 1