diff --git a/_benchmark/benchmark_test.go b/_benchmark/benchmark_test.go
deleted file mode 100644
index 312c139812d029f116aefa8f03936d4b49d6d4ce..0000000000000000000000000000000000000000
--- a/_benchmark/benchmark_test.go
+++ /dev/null
@@ -1,106 +0,0 @@
-package jrpc
-
-import (
-	"testing"
-
-	"golang.org/x/sync/errgroup"
-)
-
-func BenchmarkClientHTTPEcho(b *testing.B) {
-	server := newTestServer()
-	defer server.Stop()
-	client, hs := httpTestClient(server, "http", nil)
-	defer hs.Close()
-	defer client.Close()
-
-	// Launch concurrent requests.
-	wantBack := map[string]any{
-		"one": map[string]any{"two": "three"},
-		"e":   map[string]any{"two": "three"},
-		"oe":  map[string]any{"two": "three"},
-		"on":  map[string]any{"two": "three"},
-	}
-
-	b.StartTimer()
-	for n := 0; n < b.N; n++ {
-		eg := &errgroup.Group{}
-		eg.SetLimit(4)
-		for i := 0; i < 1000; i++ {
-			eg.Go(func() error {
-				return client.Call(nil, nil, "test_echoAny", []any{1, 2, 3, 4, 56, 6, wantBack, wantBack, wantBack})
-			})
-		}
-		eg.Wait()
-	}
-}
-func BenchmarkClientHTTPEchoEmpty(b *testing.B) {
-	server := newTestServer()
-	defer server.Stop()
-	client, hs := httpTestClient(server, "http", nil)
-	defer hs.Close()
-	defer client.Close()
-
-	// Launch concurrent requests.
-
-	b.StartTimer()
-	for n := 0; n < b.N; n++ {
-		eg := &errgroup.Group{}
-		eg.SetLimit(4)
-		for i := 0; i < 1000; i++ {
-			eg.Go(func() error {
-				return client.Call(nil, nil, "test_echoAny", 0)
-			})
-		}
-		eg.Wait()
-	}
-}
-func BenchmarkClientWebsocketEcho(b *testing.B) {
-	server := newTestServer()
-	defer server.Stop()
-	client, hs := httpTestClient(server, "ws", nil)
-	defer hs.Close()
-	defer client.Close()
-
-	// Launch concurrent requests.
-	wantBack := map[string]any{
-		"one": map[string]any{"two": "three"},
-		"e":   map[string]any{"two": "three"},
-		"oe":  map[string]any{"two": "three"},
-		"on":  map[string]any{"two": "three"},
-	}
-
-	payload := []any{1, 2, 3, 4, 56, 6, wantBack, wantBack, wantBack}
-	b.StartTimer()
-	for n := 0; n < b.N; n++ {
-		eg := &errgroup.Group{}
-		eg.SetLimit(4)
-		for i := 0; i < 1000; i++ {
-			eg.Go(func() error {
-				return client.Call(nil, nil, "test_echoAny", payload)
-			})
-		}
-		eg.Wait()
-	}
-
-}
-func BenchmarkClientWebsocketEchoEmpty(b *testing.B) {
-	server := newTestServer()
-	defer server.Stop()
-	client, hs := httpTestClient(server, "ws", nil)
-	defer hs.Close()
-	defer client.Close()
-
-	// Launch concurrent requests.
-	b.StartTimer()
-
-	for n := 0; n < b.N; n++ {
-		eg := &errgroup.Group{}
-		eg.SetLimit(4)
-		for i := 0; i < 1000; i++ {
-			eg.Go(func() error {
-				return client.Call(nil, nil, "test_echoAny", 0)
-			})
-		}
-		eg.Wait()
-	}
-}