diff --git a/lib/services/address/index.js b/lib/services/address/index.js
index 3f6c6627..beec5337 100644
--- a/lib/services/address/index.js
+++ b/lib/services/address/index.js
@@ -218,11 +218,11 @@ AddressService.prototype.getAddressHistory = function(addresses, options, stream
         if(!results.items.some(x => x.txid() === tx.txid())) //push only if tx not already in array
           results.items.unshift(tx); //using unshift, so that recent tx (low) are at front
         
-        if(results.items.length > MAX_TX_QUERY_LIMIT) {
+        if(results.items.length > MAX_TX_QUERY_LIMIT) { //remove items from array when overflown
           results.items.sort((a, b) => b.__height - a.__height || b.txid().localeCompare(a.txid()));
           let del_count = options.old_support ? results.items.length : results.items.length - MAX_TX_QUERY_LIMIT;
           let start_index = options.old_support ? MAX_TX_QUERY_LIMIT : 0;
-          results.items.splice(start_index, del_count).map(r => r.txid());
+          results.items.splice(start_index, del_count);
         }
       
       }
@@ -848,11 +848,9 @@ AddressService.prototype._streamAddressSummary = function(address, options, stre
   //declare the queue to process tx data
   var tmpTxList = {}; //store processed txid temporarily to ignore duplication
 
-  let td_count = 0; //test
   var q = async.queue(function(id, cb) {
-    td_count++; //test
-    //duplication finding
 
+    //duplication finding
     if(id.txid in tmpTxList){
 
       tmpTxList[id.txid][0]++;
@@ -881,7 +879,7 @@ AddressService.prototype._streamAddressSummary = function(address, options, stre
 
   }, 4);
 
-  //q.pause(); //pause and wait until queue is set
+  //q.pause(); //pause and wait until queue is set (not needed)
 
   function chunkCallback(err, tx){
 
@@ -958,8 +956,7 @@ AddressService.prototype._streamAddressSummary = function(address, options, stre
 
       txIdTransformStream._transform = function(chunk, enc, cb) {
 
-        if(options.flag_stop){
-          //stop data query 
+        if(options.flag_stop){//stop data query 
           console.debug("FLAG STOP:", options.flag_stop)  
           return txIdTransformStream.unpipe();
         }