diff --git a/lib/util.js b/lib/util.js
index db1e404f..26b6472b 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -686,21 +686,6 @@
             return ret;
         };
         
-        /**
-         * function execute param function in
-         * try...catch block and log result
-         * 
-         * @param pTryFunc
-         */
-        this.tryCatchDebug          = function(pTryFunc) {
-            var ret = Util.tryCatch(pTryFunc);
-            
-            if (ret)
-                Util.debug();
-            
-            return ret;
-        };
-        
         /**
          * function execute param function in
          * try...catch block and log result
@@ -715,23 +700,6 @@
             return Util.logError(ret);
         };
         
-        /**
-         * function execute param function in
-         * try...catch block and log result
-         * 
-         * @param pCallBack
-         */
-        this.tryCatchCall               = function(pTryFunc, pCallBack) {
-            var ret;
-            
-            ret = Util.tryCatch(pTryFunc);
-            
-            if (ret)
-                Util.exec(pCallBack, ret);
-            
-            return ret;
-        };
-        
         /**
          * function do save exec of function
          * @param pCallBack