diff --git a/app/config/collections.php b/app/config/collections.php
index c2b02cabc5..08723686a7 100644
--- a/app/config/collections.php
+++ b/app/config/collections.php
@@ -1873,17 +1873,6 @@ $collections = [
                 'array' => false,
                 'filters' => [],
             ],
-            [
-                '$id' => 'metadata',
-                'type' => Database::VAR_STRING,
-                'format' => '',
-                'size' => 16384, // https://tools.ietf.org/html/rfc4288#section-4.2
-                'signed' => true,
-                'required' => false,
-                'default' => null,
-                'array' => false,
-                'filters' => ['json'],
-            ],
             [
                 '$id' => 'search',
                 'type' => Database::VAR_STRING,