diff --git a/core/config.class.inc.php b/core/config.class.inc.php
index 4f6b67e2f..83fcaf382 100644
--- a/core/config.class.inc.php
+++ b/core/config.class.inc.php
@@ -1457,11 +1457,11 @@ class Config
 			'show_in_conf_sample' => false,
 		],
 		'use_legacy_dbsearch' => [
-			'type' => 'bool',
-			'description' => 'If set, DBSearch will use legacy SQL query generation',
-			'default' => false,
-			'value' => false,
-			'source_of_value' => '',
+			'type'                => 'bool',
+			'description'         => 'Deprecated since 3.1.0, there is now only one dbsearch method.',
+			'default'             => false,
+			'value'               => false,
+			'source_of_value'     => '',
 			'show_in_conf_sample' => false,
 		],
 		'query_cache_enabled' => [
diff --git a/core/legacy/dbobjectsearchlegacy.class.php b/core/legacy/dbobjectsearchlegacy.class.php
index a858d24d4..0e189abfa 100644
--- a/core/legacy/dbobjectsearchlegacy.class.php
+++ b/core/legacy/dbobjectsearchlegacy.class.php
@@ -20,7 +20,7 @@
 /*
 * @deprecated 3.0.0 N°3141 - Deprecate legacy SQL build
 */
-
+DeprecatedCallsLog::NotifyDeprecatedFile("dbobjectsearchlegacy.class.php is deprecated. Please use dbobjectsearch.class.php instead");
 /** @internal Dev hack for disabling some query build optimizations (Folding/Merging) */
 define('ENABLE_OPT', true);
 
diff --git a/core/legacy/querybuildercontextlegacy.class.inc.php b/core/legacy/querybuildercontextlegacy.class.inc.php
index a3c60ee65..c17a0da04 100644
--- a/core/legacy/querybuildercontextlegacy.class.inc.php
+++ b/core/legacy/querybuildercontextlegacy.class.inc.php
@@ -23,6 +23,7 @@
  * @copyright   Copyright (C) 2010-2021 Combodo SARL
  * @license     http://opensource.org/licenses/AGPL-3.0
  */
+DeprecatedCallsLog::NotifyDeprecatedFile("querybuildercontextlegacy.class.inc.php is deprecated. Please use querybuildercontext.class.inc.php instead");
 
 class QueryBuilderContext
 {
diff --git a/core/legacy/querybuilderexpressionslegacy.class.inc.php b/core/legacy/querybuilderexpressionslegacy.class.inc.php
index c5026c914..cd1157376 100644
--- a/core/legacy/querybuilderexpressionslegacy.class.inc.php
+++ b/core/legacy/querybuilderexpressionslegacy.class.inc.php
@@ -2,6 +2,8 @@
 /*
  * @deprecated 3.1.0 N°3141 - Deprecate legacy SQL build
  */
+DeprecatedCallsLog::NotifyDeprecatedFile("querybuilderexpressionslegacy.class.inc.php is deprecated. Please use querybuilderexpressions.class.inc.php instead");
+
 class QueryBuilderExpressions
 {
 	/**