diff --git a/ctx.go b/ctx.go
index b856bada..eb434e53 100644
--- a/ctx.go
+++ b/ctx.go
@@ -508,38 +508,15 @@ func (ctx *Ctx) Is(extension string) bool {
 // JSON converts any interface or string to JSON.
 // This method also sets the content header to application/json.
 func (ctx *Ctx) JSON(data interface{}) error {
-	// Reset response body
-	ctx.Fasthttp.Response.ResetBody()
-
-	encoder := json.NewEncoder(ctx.Fasthttp.Response.BodyWriter())
-	encoder.SetEscapeHTML(true)
-	// Write data to response body writer directly
-	if err := encoder.Encode(data); err != nil {
-		return err
-	}
-	// Set http headers
-	ctx.Fasthttp.Response.Header.SetContentType(MIMEApplicationJSON)
-
-	b := ctx.Fasthttp.Response.Body()
-	if end := len(b) - 1; end >= 0 && b[end] == '\n' {
-		// remove extra '\n' added by encoder.Encode
-		ctx.Fasthttp.Response.SetBodyRaw(b[:end])
-	}
-	// Success!
-	return nil
-}
-
-// JSON converts any interface or string to JSON using Jsoniter.
-// This method also sets the content header to application/json.
-func (ctx *Ctx) JSONOld(data interface{}) error {
-	raw, err := json.Marshal(&data)
+	raw, err := json.Marshal(data)
 	// Check for errors
 	if err != nil {
 		return err
 	}
 	// Set http headers
 	ctx.Fasthttp.Response.Header.SetContentType(MIMEApplicationJSON)
-	ctx.SendString(getString(raw))
+	// For TFB !!!
+	ctx.Fasthttp.Response.SetBodyRaw(raw)
 	// Success!
 	return nil
 }
@@ -548,7 +525,7 @@ func (ctx *Ctx) JSONOld(data interface{}) error {
 // This method is identical to JSON, except that it opts-in to JSONP callback support.
 // By default, the callback name is simply callback.
 func (ctx *Ctx) JSONP(data interface{}, callback ...string) error {
-	raw, err := json.Marshal(&data)
+	raw, err := json.Marshal(data)
 
 	if err != nil {
 		return err
diff --git a/ctx_test.go b/ctx_test.go
index 74d2a1c7..f844e691 100644
--- a/ctx_test.go
+++ b/ctx_test.go
@@ -1023,30 +1023,7 @@ func Benchmark_Ctx_JSON(b *testing.B) {
 	b.ReportAllocs()
 	b.ResetTimer()
 	for n := 0; n < b.N; n++ {
-		err = c.JSON(data)
-	}
-	utils.AssertEqual(b, nil, err)
-	utils.AssertEqual(b, `{"Name":"Grame","Age":20}`, string(c.Fasthttp.Response.Body()))
-}
-
-// go test -v  -run=^$ -bench=Benchmark_Ctx_JSONOld -benchmem -count=4
-func Benchmark_Ctx_JSONOld(b *testing.B) {
-	app := New()
-	c := app.AcquireCtx(&fasthttp.RequestCtx{})
-	defer app.ReleaseCtx(c)
-	type SomeStruct struct {
-		Name string
-		Age  uint8
-	}
-	data := SomeStruct{
-		Name: "Grame",
-		Age:  20,
-	}
-	var err error
-	b.ReportAllocs()
-	b.ResetTimer()
-	for n := 0; n < b.N; n++ {
-		err = c.JSONOld(data)
+		err = c.JSON(&data)
 	}
 	utils.AssertEqual(b, nil, err)
 	utils.AssertEqual(b, `{"Name":"Grame","Age":20}`, string(c.Fasthttp.Response.Body()))
@@ -1084,7 +1061,7 @@ func Benchmark_Ctx_JSONP(b *testing.B) {
 	b.ReportAllocs()
 	b.ResetTimer()
 	for n := 0; n < b.N; n++ {
-		err = c.JSONP(data, callback)
+		err = c.JSONP(&data, callback)
 	}
 	utils.AssertEqual(b, nil, err)
 	utils.AssertEqual(b, `emit({"Name":"Grame","Age":20});`, string(c.Fasthttp.Response.Body()))