diff --git a/src/Adapter/MsSQL.php b/src/Adapter/MsSQL.php
index 5d84ee7..4c01539 100644
--- a/src/Adapter/MsSQL.php
+++ b/src/Adapter/MsSQL.php
@@ -193,7 +193,7 @@ class MsSQL implements AdapterInterface {
             case static::IDENTIFIER_DATABASE:
             case static::IDENTIFIER_TABLE:
             case static::IDENTIFIER_FIELD:
-                return "[" . str_replace(["[", "]"], [ "[[", "]]" ], $segment) . "]";
+                return "[" . trim(str_replace(["[", "]"], [ "[[", "]]" ], $segment), '[]') . "]";
 
             case static::IDENTIFIER_VALUE:
                 return "'$segment'";
diff --git a/src/Adapter/MySQL.php b/src/Adapter/MySQL.php
index 910c162..8b9113f 100644
--- a/src/Adapter/MySQL.php
+++ b/src/Adapter/MySQL.php
@@ -130,7 +130,7 @@ class MySQL implements AdapterInterface {
             case static::IDENTIFIER_DATABASE:
             case static::IDENTIFIER_TABLE:
             case static::IDENTIFIER_FIELD:
-                return "`" . str_replace("`", "``", $segment) . "`";
+                return "`" . trim(str_replace("`", "``", $segment), '`') . "`";
 
             case static::IDENTIFIER_VALUE:
                 return "\"$segment\"";
diff --git a/src/Repository.php b/src/Repository.php
index cfa5e1f..627a17f 100644
--- a/src/Repository.php
+++ b/src/Repository.php
@@ -79,12 +79,12 @@ class Repository
         return Ulmus::runSelectQuery($this->queryBuilder, $this->adapter)->fetchColumn(0);
     }
 
-    public function deleteOne()
+    protected function deleteOne()
     {
         return $this->limit(1)->deleteSqlQuery()->runQuery();
     }
 
-    public function deleteAll()
+    protected function deleteAll()
     {
         return $this->deleteSqlQuery()->runQuery();
     }
@@ -161,7 +161,6 @@ class Repository
 
                 $entity->entityFillFromDataset($dataset);
 
-
                 return $update ? (bool) $update->rowCount() : false;
             }
         }
@@ -726,7 +725,7 @@ class Repository
 
     public function escapeFieldList(array $fieldList) : array
     {
-        foreach($fieldList as & $list) {
+        foreach($fieldList as &$list) {
             $list['name'] = $this->escapeField($list['name']);
 
             $fieldTag = array_filter($list['tags'] ?? [], fn($item) => $item['object'] instanceof Field)[0]['object'] ?? null;