diff --git a/internal/jsonrpc2/wire.go b/internal/jsonrpc2/wire.go
index 659302359..d805f5793 100644
--- a/internal/jsonrpc2/wire.go
+++ b/internal/jsonrpc2/wire.go
@@ -7,7 +7,6 @@ package jsonrpc2
 import (
 	"encoding/json"
 	"fmt"
-	"math"
 )
 
 // this file contains the go forms of the wire specification
@@ -122,8 +121,6 @@ func (wireVersionTag) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
-const invalidID int64 = math.MaxInt64
-
 // NewIntID returns a new numerical request ID.
 func NewIntID(v int64) ID { return ID{number: v} }