diff --git a/LanguageServer/src/main/java/org/nittalab/dtram/languageserver/utils/Tokenizer.java b/LanguageServer/src/main/java/org/nittalab/dtram/languageserver/utils/Tokenizer.java
index 106c45a..9598c82 100644
--- a/LanguageServer/src/main/java/org/nittalab/dtram/languageserver/utils/Tokenizer.java
+++ b/LanguageServer/src/main/java/org/nittalab/dtram/languageserver/utils/Tokenizer.java
@@ -18,41 +18,28 @@
  */
 public class Tokenizer {
     /**
-     * The {@link BufferedReader} that contains model text in memory.
-     */
-    private final BufferedReader reader;
-
-    /**
-     * Initializes {@link Tokenizer} with prepared {@link BufferedReader}
+     * Tokenizes the given text.
      *
-     * @param reader Prepared model text in {@link BufferedReader}
-     * @author Shohei Yamagiwa
-     * @since 0.1
-     */
-    public Tokenizer(BufferedReader reader) {
-        this.reader = reader;
-    }
-
-    /**
-     * Initializes {@link Tokenizer} with given {@code text}
-     *
-     * @param text The text from specific model file.
-     * @author Shohei Yamagiwa
-     * @since 0.1
-     */
-    public Tokenizer(String text) {
-        this(new BufferedReader(new StringReader(text)));
-    }
-
-    /**
-     * Tokenizes all texts in {@link BufferedReader}
-     *
+     * @param text The text to be tokenized.
      * @return All tokens in {@link List}
      * @throws IOException Be thrown if {@link BufferedReader} fails to read text lines
      * @author Shohei Yamagiwa
      * @since 0.1
      */
-    public final List<Token> execute() throws IOException {
+    public static List<Token> tokenize(String text) throws IOException {
+        return tokenize(new BufferedReader(new StringReader(text)));
+    }
+
+    /**
+     * Tokenizes the text in given {@link BufferedReader}
+     *
+     * @param reader The text to be tokenized in the buffer
+     * @return All tokens in {@link List}
+     * @throws IOException Be thrown if {@link BufferedReader} fails to read text lines
+     * @author Shohei Yamagiwa
+     * @since 0.1
+     */
+    public static List<Token> tokenize(BufferedReader reader) throws IOException {
         List<Token> tokens = splitByLine(reader);
         tokens = splitBySpace(tokens);
         tokens = extractMultilineComments(tokens);