diff --git a/rpc/handler.go b/rpc/handler.go
index 1f1c9d0792..c8571ad795 100644
--- a/rpc/handler.go
+++ b/rpc/handler.go
@@ -333,14 +333,14 @@ func (h *handler) handleCall(cp *callProc, msg *jsonrpcMessage) *jsonrpcMessage
 	// Collect the statistics for RPC calls if metrics is enabled.
 	// We only care about pure rpc call. Filter out subscription.
 	if callb != h.unsubscribeCb {
-		jsonrpcRequestGauge.Inc(1)
+		rpcRequestGauge.Inc(1)
 		if answer.Error != nil {
 			failedReqeustGauge.Inc(1)
 		} else {
 			successfulRequestGauge.Inc(1)
 		}
-		jsonrpcServingTimer.UpdateSince(start)
-		newJsonrpcServingTimer(msg.Method, answer.Error == nil).UpdateSince(start)
+		rpcServingTimer.UpdateSince(start)
+		newRPCServingTimer(msg.Method, answer.Error == nil).UpdateSince(start)
 	}
 	return answer
 }
diff --git a/rpc/metrics.go b/rpc/metrics.go
index e76bbb04eb..7fb6fc0a17 100644
--- a/rpc/metrics.go
+++ b/rpc/metrics.go
@@ -23,17 +23,17 @@ import (
 )
 
 var (
-	jsonrpcRequestGauge    = metrics.NewRegisteredGauge("rpc/jsonrpc/requests", nil)
-	successfulRequestGauge = metrics.NewRegisteredGauge("rpc/jsonrpc/success", nil)
-	failedReqeustGauge     = metrics.NewRegisteredGauge("rpc/jsonrpc/failure", nil)
-	jsonrpcServingTimer    = metrics.NewRegisteredTimer("rpc/jsonrpc/duration/all", nil)
+	rpcRequestGauge        = metrics.NewRegisteredGauge("rpc/requests", nil)
+	successfulRequestGauge = metrics.NewRegisteredGauge("rpc/success", nil)
+	failedReqeustGauge     = metrics.NewRegisteredGauge("rpc/failure", nil)
+	rpcServingTimer        = metrics.NewRegisteredTimer("rpc/duration/all", nil)
 )
 
-func newJsonrpcServingTimer(method string, valid bool) metrics.Timer {
+func newRPCServingTimer(method string, valid bool) metrics.Timer {
 	flag := "success"
 	if !valid {
 		flag = "failure"
 	}
-	m := fmt.Sprintf("rpc/jsonrpc/duration/%s/%s", method, flag)
+	m := fmt.Sprintf("rpc/duration/%s/%s", method, flag)
 	return metrics.GetOrRegisterTimer(m, nil)
 }