diff --git a/classes/OAuth.class.php b/classes/OAuth.class.php
index 4fa19024b2cbfd5c40ca0ff51a360312ecd1a53c..219dae2ae446ac55a998aacf09b69828324312f9 100755
--- a/classes/OAuth.class.php
+++ b/classes/OAuth.class.php
@@ -10,10 +10,10 @@ class OAuth {
 
         $accessToken = self::getAccessToken();
         if (!$accessToken) {
-            throw new Exception(sprintf("No valid access token. Please refresh your connection to %s.", Config::get()->OWNCLOUD_NAME));
+            throw new \Exception(sprintf("No valid access token. Please refresh your connection to %s.", Config::get()->OWNCLOUD_NAME));
         }
 
-        $header[] = OwnCloudFolder::getAuthHeader();
+        $header[] = \OwnCloudFolder::getAuthHeader();
 
         $r = curl_init();
         curl_setopt($r, CURLOPT_URL, $url);
@@ -141,4 +141,4 @@ class OAuth {
         \UserConfig::get($GLOBALS['user']->id)->delete("OWNCLOUD_ACCESS_TOKEN");
         \UserConfig::get($GLOBALS['user']->id)->delete("OWNCLOUD_REFRESH_TOKEN");
     }
-}
\ No newline at end of file
+}
diff --git a/classes/OwncloudFile.php b/classes/OwncloudFile.php
index ce4c176e13d34302c619358870e42f68a2c9fff3..ef29aa3f9cd05d2c779130bfad99255929628402 100644
--- a/classes/OwncloudFile.php
+++ b/classes/OwncloudFile.php
@@ -108,7 +108,7 @@ class OwncloudFile implements FileType
      * on the server disk. Other implementations shall just return
      * an empty string.
      *
-     * @returns The file system path for the file or an empty string if the
+     * @returns string The file system path for the file or an empty string if the
      *     file doesn't have a path in the file system.
      */
     public function getPath() : string
@@ -339,7 +339,7 @@ class OwncloudFile implements FileType
 
         $content = curl_exec($r);
 
-        $info = curl_getinfo($r);
+        curl_getinfo($r);
         curl_close($r);
         $path = $GLOBALS['TMP_PATH']."/owncloudplugin_".md5(uniqid());
         file_put_contents(
@@ -438,15 +438,15 @@ class OwncloudFile implements FileType
             curl_setopt($r, CURLOPT_VERBOSE, true);
         }
         curl_exec($r);
-        $status = curl_getinfo($r, CURLINFO_HTTP_CODE);
+        curl_getinfo($r, CURLINFO_HTTP_CODE);
         curl_close($r);
         fclose($fh_res);
 
         return $this;
     }
 
-    public function getAccessibility(): bool
+    public function getAccessibility() : bool
     {
-        // TODO: Implement getAccessibility() method.
+        return false;
     }
 }