diff --git a/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF8.java b/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF8.java
index 3b12b523bf..187248e410 100644
--- a/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF8.java
+++ b/core/src/main/java/com/alibaba/fastjson2/JSONWriterUTF8.java
@@ -523,7 +523,6 @@ public void writeStringLatin1(byte[] value) {
     }
 
     static boolean containsEscaped(long data, long quote) {
-        // c == quote || c == '\\' || c < ' '
         /*
           for (int i = 0; i < 8; ++i) {
             byte c = (byte) data;