diff --git a/jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/Parser.java b/jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/Parser.java
index 45eeecb82e1..0cf7e5f4b2c 100644
--- a/jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/Parser.java
+++ b/jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/Parser.java
@@ -239,7 +239,7 @@ public class Parser
         incomingFramesHandler.incomingError(e);
     }
 
-    public synchronized void parse(ByteBuffer buffer)
+    public void parse(ByteBuffer buffer)
     {
         if (buffer.remaining() <= 0)
         {