diff --git a/plugins/oracle-jdbc/src/main/java/com/navercorp/pinpoint/plugin/jdbc/oracle/parser/Token.java b/plugins/oracle-jdbc/src/main/java/com/navercorp/pinpoint/plugin/jdbc/oracle/parser/Token.java
index 91bd58dd4..5033672fd 100644
--- a/plugins/oracle-jdbc/src/main/java/com/navercorp/pinpoint/plugin/jdbc/oracle/parser/Token.java
+++ b/plugins/oracle-jdbc/src/main/java/com/navercorp/pinpoint/plugin/jdbc/oracle/parser/Token.java
@@ -21,8 +21,8 @@ package com.navercorp.pinpoint.plugin.jdbc.oracle.parser;
  */
 public class Token {
 
-    private String token;
-    private int type;
+    private final String token;
+    private final int type;
 
     public Token(String token, int type) {
         this.token = token;
@@ -33,18 +33,10 @@ public class Token {
         return token;
     }
 
-    public void setToken(String token) {
-        this.token = token;
-    }
-
     public int getType() {
         return type;
     }
 
-    public void setType(int type) {
-        this.type = type;
-    }
-
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();