diff --git a/Models/AccountMapper.php b/Models/AccountMapper.php
index fc0e500..243c8b9 100644
--- a/Models/AccountMapper.php
+++ b/Models/AccountMapper.php
@@ -23,7 +23,7 @@ class AccountMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array>
+     * @var array
      * @since 1.0.0
      */
     protected static $columns = [
diff --git a/Models/GroupMapper.php b/Models/GroupMapper.php
index 8f275a2..4801541 100644
--- a/Models/GroupMapper.php
+++ b/Models/GroupMapper.php
@@ -24,7 +24,7 @@ class GroupMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array>
+     * @var array
      * @since 1.0.0
      */
     protected static $columns = [