diff --git a/lib/blocklib.php b/lib/blocklib.php
index 6610c9c9d84..551cb5e5487 100644
--- a/lib/blocklib.php
+++ b/lib/blocklib.php
@@ -458,7 +458,7 @@ function upgrade_blocks_plugins($continueto) {
         $methods = get_class_methods($classname);
         if(!in_array(strtolower($classname), $methods)) {
             // No constructor
-            $notices[] = "Block $blockname: class does not have a constructor";
+            //$notices[] = "Block $blockname: class does not have a constructor";
             $invalidblocks[] = $blockname;
             continue;
         }