diff --git a/consul/config.go b/consul/config.go
index 51b8a268d4..541c2bce02 100644
--- a/consul/config.go
+++ b/consul/config.go
@@ -32,7 +32,6 @@ func init() {
 	protocolVersionMap = map[uint8]uint8{
 		1: 4,
 		2: 4,
-		3: 5,
 	}
 }
 
diff --git a/consul/server.go b/consul/server.go
index ec6c8eccc9..b12a11e751 100644
--- a/consul/server.go
+++ b/consul/server.go
@@ -26,7 +26,7 @@ import (
 // protocol versions.
 const (
 	ProtocolVersionMin uint8 = 1
-	ProtocolVersionMax       = 3
+	ProtocolVersionMax       = 2
 )
 
 const (