diff --git a/app/Models/Dealer.php b/app/Models/Dealer.php
index 3b549789..217fca61 100644
--- a/app/Models/Dealer.php
+++ b/app/Models/Dealer.php
@@ -135,28 +135,4 @@ class Dealer extends Model
             return $item->dealer;
         })->all();
     }
-
-    /**
-     * 变更经销商等级
-     *
-     * @param DealerLvl $lvl
-     * @param string $remark
-     * @return void
-     */
-    public function changeLvl(DealerLvl $lvl, string $remark = null)
-    {
-        $beforeLvl = $this->lvl;
-
-        $this->update([
-            'lvl' => $lvl,
-        ]);
-
-        if ($this->wasChanged('lvl')) {
-            $this->lvlUpgradeLogs()->create([
-                'change_lvl' => $this->lvl,
-                'before_lvl' => $beforeLvl,
-                'remark' => $remark,
-            ]);
-        }
-    }
 }
diff --git a/app/Models/DealerLvlUpgradeLog.php b/app/Models/DealerLvlUpgradeLog.php
deleted file mode 100644
index 38caffa9..00000000
--- a/app/Models/DealerLvlUpgradeLog.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-namespace App\Models;
-
-use App\Enums\DealerLvl;
-use Illuminate\Database\Eloquent\Model;
-
-class DealerLvlUpgradeLog extends Model
-{
-    protected $casts = [
-        'change_lvl' => DealerLvl::class,
-        'before_lvl' => DealerLvl::class,
-    ];
-
-    protected $fillable = [
-        'user_id',
-        'change_lvl',
-        'before_lvl',
-        'remark',
-    ];
-}
diff --git a/database/migrations/2022_01_20_142233_add_is_settle_to_dealer_manager_subsidies_table.php b/database/migrations/2022_01_17_142233_add_is_settle_to_dealer_manager_subsidies_table.php
similarity index 100%
rename from database/migrations/2022_01_20_142233_add_is_settle_to_dealer_manager_subsidies_table.php
rename to database/migrations/2022_01_17_142233_add_is_settle_to_dealer_manager_subsidies_table.php
diff --git a/database/migrations/2022_02_20_150611_create_dealer_lvl_upgrade_logs_table.php b/database/migrations/2022_02_20_150611_create_dealer_lvl_upgrade_logs_table.php
deleted file mode 100644
index d3770f0b..00000000
--- a/database/migrations/2022_02_20_150611_create_dealer_lvl_upgrade_logs_table.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-class CreateDealerLvlUpgradeLogsTable extends Migration
-{
-    /**
-     * Run the migrations.
-     *
-     * @return void
-     */
-    public function up()
-    {
-        Schema::create('dealer_lvl_upgrade_logs', function (Blueprint $table) {
-            $table->id();
-            $table->unsignedBigInteger('user_id');
-            $table->tinyInteger('change_lvl')->comment('变更后的等级');
-            $table->tinyInteger('before_lvl')->comment('变更前的等级');
-            $table->string('remark')->nullable()->comment('备注');
-            $table->timestamps();
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     *
-     * @return void
-     */
-    public function down()
-    {
-        Schema::dropIfExists('dealer_lvl_upgrade_logs');
-    }
-}