diff --git a/src/utils/index.ts b/src/utils/index.ts
index 0d97949..f869013 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -37,21 +37,14 @@ function lexer(input: string): Token[] {
      */
     // eslint-disable-next-line
     const matchQuotation = (currentChar: string, validator: RegExp, TokenType: TokenType) => {
-        // let value = '';
-        // let start = current;
-        // let startLine = line;
-
         do {
             if (currentChar === '\n') {
                 line++;
             }
-            // value += currentChar;
             currentChar = input[++current];
         } while (!validator.test(currentChar));
 
-        // value += currentChar;
         ++current;
-        // console.log(TokenType, value, start, startLine, current)
     };
 
     while (current < input.length) {
diff --git a/test/parser/flinksql/syntax.test.ts b/test/parser/flinksql/syntax.test.ts
index f7dc3c1..06e0289 100644
--- a/test/parser/flinksql/syntax.test.ts
+++ b/test/parser/flinksql/syntax.test.ts
@@ -1,6 +1,5 @@
 import SQLParser from '../../../src/parser/flinksql';
 import sqlMockData from '../../mock/flinkSql';
-import * as utils from '../../../src/utils';
 
 describe('FlinkSQL Syntax Tests', () => {
     const parser = new SQLParser();
@@ -219,13 +218,4 @@ describe('FlinkSQL Syntax Tests', () => {
         const result = parser.validate(sql);
         expect(result.length).toBe(0);
     });
-    // test('Test complex sql Statement with splitSql', () => {
-    //     const sql = sqlMockData.allSqlStr;
-    //     const result = [];
-    //     utils.splitSql(sql).forEach((ele) => {
-    //         const tempRul = parser.validate(utils.cleanSql(ele));
-    //         result.push(...tempRul);
-    //     });
-    //     expect(result.length).toBe(0);
-    // });
 });