diff --git a/app/Migrations/Schema/V111/Version20170626091800.php b/app/Migrations/Schema/V111/Version20170626091800.php
deleted file mode 100644
index f39d553a7a..0000000000
--- a/app/Migrations/Schema/V111/Version20170626091800.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-/* For licensing terms, see /license.txt */
-
-namespace Application\Migrations\Schema\V111;
-
-use Application\Migrations\AbstractMigrationChamilo;
-use Doctrine\DBAL\Schema\Schema;
-
-/**
- * Class Version20170626091800
- *
- * Create extrafield to make survey as mandatory
- *
- * @package Application\Migrations\Schema\V111
- */
-class Version20170626091800 extends AbstractMigrationChamilo
-{
-
-    /**
-     * @param \Doctrine\DBAL\Schema\Schema $schema
-     */
-    public function up(Schema $schema)
-    {
-        $this->addSql("
-            INSERT INTO extra_field
-            (extra_field_type, field_type, variable, display_text, visible_to_self, changeable, created_at)
-            VALUES (12, 13, 'is_mandatory', 'IsMandatory', 1, 1, NOW());
-        ");
-    }
-
-    /**
-     * @param \Doctrine\DBAL\Schema\Schema $schema
-     */
-    public function down(Schema $schema)
-    {
-        $this->addSql("
-            DELETE FROM extra_field
-            WHERE extra_field_type = 12 AND field_type = 13 AND variable = 'is_mandatory';
-        ");
-    }
-}
diff --git a/main/install/data.sql b/main/install/data.sql
index 092ea9141d..14df38a6ab 100644
--- a/main/install/data.sql
+++ b/main/install/data.sql
@@ -1960,5 +1960,3 @@ INSERT INTO settings_current (variable, type, category, selected_value, title, c
 VALUES ('allow_download_documents_by_api_key', 'radio', 'WebServices', 'false', 'AllowDownloadDocumentsByApiKeyTitle', 'AllowDownloadDocumentsByApiKeyComment', '', NULL, 1);
 INSERT INTO settings_options (variable, value, display_text) VALUES ('allow_download_documents_by_api_key', 'true', 'Yes');
 INSERT INTO settings_options (variable, value, display_text) VALUES ('allow_download_documents_by_api_key', 'false', 'No');
-
-INSERT INTO extra_field (extra_field_type, field_type, variable, display_text, visible_to_self, changeable, created_at) VALUES (12, 13, 'is_mandatory','IsMandatory', 1, 1, NOW());