diff --git a/src/Core/System.php b/src/Core/System.php
index 132a64fe51..709864492e 100644
--- a/src/Core/System.php
+++ b/src/Core/System.php
@@ -20,19 +20,6 @@ use Friendica\Util\XML;
  */
 class System
 {
-	/**
-	 * @brief Removes the baseurl from an url. This avoids some mixed content problems.
-	 *
-	 * @param string $orig_url The url to be cleaned
-	 *
-	 * @return string The cleaned url
-	 * @throws \Exception
-	 */
-	public static function removedBaseUrl(string $orig_url)
-	{
-		return DI::baseUrl()->remove($orig_url);
-	}
-
 	/**
 	 * @brief Returns a string with a callstack. Can be used for logging.
 	 * @param integer $depth optional, default 4