diff --git a/src/common/db-helper.js b/src/common/db-helper.js
index 0c26170..0cffe92 100644
--- a/src/common/db-helper.js
+++ b/src/common/db-helper.js
@@ -56,13 +56,9 @@ async function scan(model, scanParams) {
  * @returns {Promise<void>}
  */
 async function queryOneIssue(model, repositoryId, number, provider) {
-  logger.debug('Enter queryOne.');
 
   return await new Promise((resolve, reject) => {
 
-    logger.debug(`repositoryId : ${repositoryId}`);
-    logger.debug(`number : ${number}`);
-    logger.debug(`provider : ${provider}`);
     model.query('repositoryId').eq(repositoryId)
     .filter('number').eq(number)
     .filter('provider').eq(provider)
@@ -72,8 +68,6 @@ async function queryOneIssue(model, repositoryId, number, provider) {
         logger.debug(`queryOne. Error. ${err}`);
         return reject(err);
       }
-      logger.debug('queryOne. Result.');
-      logger.debug(result);
 
       return resolve(result.count === 0 ? null : result[0]);
     });
diff --git a/src/common/helper.js b/src/common/helper.js
index 017a00c..a8b5771 100644
--- a/src/common/helper.js
+++ b/src/common/helper.js
@@ -54,16 +54,9 @@ function _decorateWithLogging(service) {
     return;
   }
   _.forEach(service, (method, name) => {
-    const params = method.params || getParams(method);
     service[name] = async function serviceMethodWithLogging(...args) {
-      logger.debug(`ENTER ${name}`);
-      logger.debug('input arguments');
-      logger.debug(util.inspect(_combineObject(params, args)));
       try {
         const result = await method.apply(this, args);
-        logger.debug(`EXIT ${name}`);
-        logger.debug('output arguments');
-        logger.debug(util.inspect(result));
         return result;
       } catch (e) {
         logger.logFullError(e, name);