diff --git a/apps/dav/lib/connector/sabre/node.php b/apps/dav/lib/connector/sabre/node.php
index 377536b530..814aaceb07 100644
--- a/apps/dav/lib/connector/sabre/node.php
+++ b/apps/dav/lib/connector/sabre/node.php
@@ -34,12 +34,6 @@ use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
 
 
 abstract class Node implements \Sabre\DAV\INode {
-	/**
-	 * Allow configuring the method used to generate Etags
-	 *
-	 * @var array(class_name, function_name)
-	 */
-	public static $ETagFunction = null;
 
 	/**
 	 * @var \OC\Files\View
diff --git a/lib/private/files/storage/common.php b/lib/private/files/storage/common.php
index cdd8eefd0d..77a70226b3 100644
--- a/lib/private/files/storage/common.php
+++ b/lib/private/files/storage/common.php
@@ -372,13 +372,7 @@ abstract class Common implements Storage {
 	 * @return string|false
 	 */
 	public function getETag($path) {
-		$ETagFunction = \OCA\DAV\Connector\Sabre\Node::$ETagFunction;
-		if ($ETagFunction) {
-			$hash = call_user_func($ETagFunction, $path);
-			return $hash;
-		} else {
-			return uniqid();
-		}
+		return uniqid();
 	}
 
 	/**