diff --git a/test/e2e/testnet/test_helpers.go b/test/e2e/testnet/test_helpers.go
index d507c17fc5..a3de3cf4c3 100644
--- a/test/e2e/testnet/test_helpers.go
+++ b/test/e2e/testnet/test_helpers.go
@@ -1,7 +1,6 @@
 package testnet
 
 import (
-	"fmt"
 	"log"
 )
 
@@ -10,13 +9,3 @@ func NoError(message string, err error) {
 		log.Fatalf("%s: %v", message, err)
 	}
 }
-
-type JSONRPCError struct {
-	Code    int
-	Message string
-	Data    string
-}
-
-func (e *JSONRPCError) Error() string {
-	return fmt.Sprintf("JSONRPC Error - Code: %d, Message: %s, Data: %s", e.Code, e.Message, e.Data)
-}