diff --git a/cms/lib/plugins/index.php b/cms/lib/plugins/index.php
index 58e8a5b..a962a3f 100644
--- a/cms/lib/plugins/index.php
+++ b/cms/lib/plugins/index.php
@@ -16,7 +16,10 @@ function getSchemaPlugins($force = false){
             }
 			
             $customSchemaFile = $fullPath."/custom-schema.ini.php";
-            if (file_exists($customSchemaFile)){
+            // Sin schema.ini.php no hay plugin: un custom-schema huerfano (p.ej. tras
+            // un descarte del sync, que no mueve los custom-schema) se ignora en vez
+            // de avisar en cada peticion.
+            if (isset($schemaPlugins[$dirname]) && file_exists($customSchemaFile)){
                 $customSchema = loadINI($customSchemaFile);
 				$exclude = array("version", "name", "description");
 				foreach ($exclude as $e):