diff --git a/src/Spout/Writer/WriterAbstract.php b/src/Spout/Writer/WriterAbstract.php
index 0474202..b47d093 100644
--- a/src/Spout/Writer/WriterAbstract.php
+++ b/src/Spout/Writer/WriterAbstract.php
@@ -165,7 +165,6 @@ abstract class WriterAbstract implements WriterInterface
         $this->isWriterOpened = false;
 
         rewind($this->filePointer);
-        fpassthru($this->filePointer);
 
         return $this->filePointer;
     }