diff --git a/lib/RecursiveDiff.php b/lib/RecursiveDiff.php
index ab32ca8..98ed344 100644
--- a/lib/RecursiveDiff.php
+++ b/lib/RecursiveDiff.php
@@ -38,11 +38,11 @@ class RecursiveDiff {
         $scan_num_files = 0;
 
         if(file_exists($this->dir1) && is_dir($this->dir1)) {
-            list($this->scan1files, $this->scan1folders) = FileHelper::getFilesAndFolders($this->dir1);
+            [$this->scan1files, $this->scan1folders] = FileHelper::getFilesAndFolders($this->dir1);
         }
         
         if(file_exists($this->dir2) && is_dir($this->dir2)) {
-            list($this->scan2files, $this->scan2folders) = FileHelper::getFilesAndFolders($this->dir2);
+            [$this->scan2files, $this->scan2folders] = FileHelper::getFilesAndFolders($this->dir2);
         }
 
         $scan_num_files += sizeof($this->scan1files);
@@ -139,7 +139,6 @@ class RecursiveDiff {
 
                         $this->progress += 2;
                         $this->updateProgress();
-                        sleep(1);
 
                         break;
                     }
@@ -160,7 +159,6 @@ class RecursiveDiff {
 
             $this->progress++;
             $this->updateProgress();
-            sleep(1);
         }
 
         foreach($fileDeletions as $index=>$deletion) {
@@ -176,7 +174,6 @@ class RecursiveDiff {
 
             $this->progress++;
             $this->updateProgress();
-            sleep(1);
         }
 
         foreach($filePossibleEdits as $possibleEdit) {
@@ -187,7 +184,6 @@ class RecursiveDiff {
 
             $this->progress += 2;
             $this->updateProgress();
-            sleep(1);
 
             if(filemtime($file1) == filemtime($file2)) {
                 //not different because same mtime