diff --git a/src/Differ.php b/src/Differ.php
index 4960111e..f4b7723a 100644
--- a/src/Differ.php
+++ b/src/Differ.php
@@ -134,9 +134,6 @@ public function diff($from, $to, LongestCommonSubsequence $lcs = null)
      */
     public function diffToArray($from, $to, LongestCommonSubsequence $lcs = null)
     {
-        preg_match_all('(\r\n|\r|\n)', $from, $fromMatches);
-        preg_match_all('(\r\n|\r|\n)', $to, $toMatches);
-
         if (is_string($from)) {
             $from = preg_split('(\r\n|\r|\n)', $from);
         }
@@ -178,14 +175,6 @@ public function diffToArray($from, $to, LongestCommonSubsequence $lcs = null)
         $common = $lcs->calculate(array_values($from), array_values($to));
         $diff   = array();
 
-        if (isset($fromMatches[0]) && $toMatches[0] &&
-            count($fromMatches[0]) === count($toMatches[0]) &&
-            $fromMatches[0] !== $toMatches[0]) {
-            $diff[] = array(
-              '#Warning: Strings contain different line endings!', 0
-            );
-        }
-
         foreach ($start as $token) {
             $diff[] = array($token, 0 /* OLD */);
         }