diff --git a/Entity/UploadedFile.php b/Entity/UploadedFile.php
index ce92cb9b97e7e3f6a33e9c8adad9ce1567fbdcc3..d8e78b4c4c37073b2e1be990c697752d20961ffb 100644
--- a/Entity/UploadedFile.php
+++ b/Entity/UploadedFile.php
@@ -446,15 +446,15 @@ class UploadedFile implements UploadedFileInterface
 
         if (false !== $fileHandle = $stream->cast(STREAM_CAST_AS_STREAM)) {
             // Utilise stream_copy_to_stream si le Gaufrette\Stream peut nous retourner un filehandle
-            $copied = $this->stream_copy_to_stream($source, $fileHandle, $maxlen);
+            $copied = stream_copy_to_stream($source, $fileHandle, $maxlen);
         } else {
             // Sinon fait une copie par blocs (moins performant)
             if ($maxlen === -1) {
                 $maxlen = PHP_INT_MAX;
             }
             $copied = 0;
-            while (!$this->feof($source) && $copied <= $maxlen) {
-                $copied += $stream->write($this->fread($source, min(static::$copyBlockSize, $maxlen - $copied)));
+            while (!feof($source) && $copied <= $maxlen) {
+                $copied += $stream->write(fread($source, min(static::$copyBlockSize, $maxlen - $copied)));
             }
         }
         $stream->close();
@@ -483,12 +483,12 @@ class UploadedFile implements UploadedFileInterface
 
         if (false !== $fileHandle = $stream->cast(STREAM_CAST_AS_STREAM)) {
             // Utilise stream_copy_to_stream si le Stream nous renvoie un filehandle
-            $copied = $this->stream_copy_to_stream($fileHandle, $dest, $actualLength);
+            $copied = stream_copy_to_stream($fileHandle, $dest, $actualLength);
         } else {
             // Sinon, on fait ça à la main par blocs de 8ko
             $copied = 0;
             while (!$stream->eof() && $copied < $actualLength) {
-                $copied += $this->fwrite($dest, $stream->read(min(static::$copyBlockSize, $actualLength - $copied)));
+                $copied += fwrite($dest, $stream->read(min(static::$copyBlockSize, $actualLength - $copied)));
             }
         }
 
@@ -497,59 +497,6 @@ class UploadedFile implements UploadedFileInterface
         return $copied;
     }
 
-    /** Wrapper de stream_copy_to_stream
-     * @param resource $source
-     * @param resource $dest
-     * @param int      $maxlen
-     * @param int      $offset
-     *
-     * @return int
-     *
-     * @internal
-     */
-    protected function stream_copy_to_stream($source, $dest, $maxlen = -1, $offset = 0)
-    {
-        return stream_copy_to_stream($source, $dest, $maxlen, $offset);
-    }
-
-    /** Wrapper de feof
-     * @param resource $filehandle
-     *
-     * @return bool
-     *
-     * @internal
-     */
-    protected function feof($filehandle)
-    {
-        return feof($filehandle);
-    }
-
-    /** Wrapper de fread
-     * @param resource $filehandle
-     * @param int      $maxlen
-     *
-     * @return int|bool
-     *
-     * @internal
-     */
-    protected function fread($filehandle, $maxlen = -1)
-    {
-        return fread($filehandle, $maxlen);
-    }
-
-    /** Wrapper de fwrite
-     * @param resource $filehandle
-     * @param int      $maxlen
-     *
-     * @return int|bool
-     *
-     * @internal
-     */
-    protected function fwrite($filehandle, $maxlen = -1)
-    {
-        return fwrite($filehandle, $maxlen);
-    }
-
     /** Vérifie si un chemin est "safe".
      * @param string $path
      *