diff --git a/framework/db/sqlite/QueryBuilder.php b/framework/db/sqlite/QueryBuilder.php
index d47a7fe4cc..e751d49db0 100644
--- a/framework/db/sqlite/QueryBuilder.php
+++ b/framework/db/sqlite/QueryBuilder.php
@@ -29,9 +29,9 @@ class QueryBuilder extends \yii\db\QueryBuilder
      */
     public $typeMap = [
         Schema::TYPE_PK => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL',
-        Schema::TYPE_UPK => 'integer UNSIGNED PRIMARY KEY AUTOINCREMENT NOT NULL',
+        Schema::TYPE_UPK => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL',
         Schema::TYPE_BIGPK => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL',
-        Schema::TYPE_UBIGPK => 'integer UNSIGNED PRIMARY KEY AUTOINCREMENT NOT NULL',
+        Schema::TYPE_UBIGPK => 'integer PRIMARY KEY AUTOINCREMENT NOT NULL',
         Schema::TYPE_CHAR => 'char(1)',
         Schema::TYPE_STRING => 'varchar(255)',
         Schema::TYPE_TEXT => 'text',