diff --git a/src/Support/MagentoCategories.php b/src/Support/MagentoCategories.php
index bab0d65..8eb0d04 100644
--- a/src/Support/MagentoCategories.php
+++ b/src/Support/MagentoCategories.php
@@ -5,6 +5,7 @@
 use Grayloon\Magento\Magento;
 use Grayloon\MagentoStorage\Jobs\DownloadMagentoCategoryImage;
 use Grayloon\MagentoStorage\Models\MagentoCategory;
+use Illuminate\Support\Str;
 
 class MagentoCategories extends PaginatableMagentoService
 {
@@ -37,9 +38,48 @@ public function updateCategories($categories)
         }
 
         foreach ($categories as $apiCategory) {
-            $this->updateCategory($apiCategory);
+            if ($this->validCategory($apiCategory)) {
+                $this->updateCategory($apiCategory);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Determine if the category is valid.
+     *
+     * @param  array  $apiCategory
+     * @return bool
+     */
+    protected function validCategory($apiCategory)
+    {
+        if (! env('MAGENTO_DEFAULT_CATEGORY')) {
+            return true;
         }
 
+        if (env('MAGENTO_DEFAULT_CATEGORY') == $apiCategory['id']) {
+            return true;
+        }
+
+        if (Str::contains($apiCategory['path'], '/' . env('MAGENTO_DEFAULT_CATEGORY') . '/')) {
+            return true;
+        }
+
+        $this->deleteIfExists($apiCategory['id']);
+        return false;
+    }
+
+    /**
+     * Delete the category if it exists.
+     *
+     * @param  int  $id
+     * @return void
+     */
+    protected function deleteIfExists($id)
+    {
+        MagentoCategory::where('id', $id)->delete();
+
         return $this;
     }
 
diff --git a/tests/Support/MagentoCategoriesTest.php b/tests/Support/MagentoCategoriesTest.php
index 0b0fe17..94f967b 100644
--- a/tests/Support/MagentoCategoriesTest.php
+++ b/tests/Support/MagentoCategoriesTest.php
@@ -2,6 +2,7 @@
 
 namespace Grayloon\MagentoStorage\Tests\Support;
 
+use Grayloon\MagentoStorage\Database\Factories\MagentoCategoryFactory;
 use Grayloon\MagentoStorage\Database\Factories\MagentoCustomAttributeTypeFactory;
 use Grayloon\MagentoStorage\Jobs\DownloadMagentoCategoryImage;
 use Grayloon\MagentoStorage\Jobs\UpdateProductAttributeGroup;
@@ -274,4 +275,245 @@ public function test_can_download_category_image()
         Queue::assertPushed(DownloadMagentoCategoryImage::class, fn ($job) => $job->path === 'pub/media/catalog/category/foo.jpg');
         Queue::assertPushed(DownloadMagentoCategoryImage::class, fn ($job) => $job->category->id === $category->id);
     }
+
+    /** @test */
+    public function it_deletes_old_category()
+    {
+        Queue::fake();
+        putenv('MAGENTO_DEFAULT_CATEGORY=3');
+
+        $category = MagentoCategoryFactory::new()->create([
+            'id' => 2,
+        ]);
+        
+        $categories = [
+            [
+                'id'         => '2',
+                'parent_id'  => 0,
+                'name'       => 'Root Catalog',
+                'is_active'  => true,
+                'position'   => 0,
+                'level'      => 0,
+                'children'   => '2',
+                'created_at' => '2014-04-04 14:17:29',
+                'updated_at' => '2014-04-04 14:17:29',
+                'path'       => '1',
+                'available_sort_by' => [],
+                'include_in_menu' =>  true,
+                'custom_attributes' => [
+                    [
+                        'attribute_code' => 'path',
+                        'value' => '1',
+                    ],
+                    [
+                        'attribute_code' => 'url_path',
+                        'value' => 'foo/bar',
+                    ],
+                    [
+                        'attribute_code' => 'children_count',
+                        'value' => '124',
+                    ],
+                    [
+                        'attribute_code' => 'image',
+                        'value' => 'pub/media/catalog/category/foo.jpg',
+                    ],
+                ],
+            ],
+        ];
+
+        (new MagentoCategories())->updateCategories($categories);
+
+        $this->assertEquals(0, MagentoCategory::count());
+        $this->assertDeleted($category);
+    }
+
+    /** @test */
+    public function it_ignores_non_root_config_level_categories()
+    {
+        Queue::fake();
+        
+        putenv('MAGENTO_DEFAULT_CATEGORY=3');
+        
+        $categories = [
+            [
+                'id'         => '1',
+                'parent_id'  => 0,
+                'name'       => 'Root Catalog',
+                'is_active'  => true,
+                'position'   => 0,
+                'level'      => 0,
+                'children'   => '2',
+                'created_at' => '2014-04-04 14:17:29',
+                'updated_at' => '2014-04-04 14:17:29',
+                'path'       => '1',
+                'available_sort_by' => [],
+                'include_in_menu' =>  true,
+                'custom_attributes' => [
+                    [
+                        'attribute_code' => 'path',
+                        'value' => '1',
+                    ],
+                    [
+                        'attribute_code' => 'url_path',
+                        'value' => 'foo/bar',
+                    ],
+                    [
+                        'attribute_code' => 'children_count',
+                        'value' => '124',
+                    ],
+                    [
+                        'attribute_code' => 'image',
+                        'value' => 'pub/media/catalog/category/foo.jpg',
+                    ],
+                ],
+            ],
+        ];
+
+        (new MagentoCategories())->updateCategories($categories);
+
+        $this->assertEquals(0, MagentoCategory::count());
+    }
+
+    /** @test */
+    public function it_ignores_category_without_root_path()
+    {
+        Queue::fake();
+        
+        putenv('MAGENTO_DEFAULT_CATEGORY=3');
+        
+        $categories = [
+            [
+                'id'         => '5',
+                'parent_id'  => 0,
+                'name'       => 'Root Catalog',
+                'is_active'  => true,
+                'position'   => 0,
+                'level'      => 0,
+                'children'   => '2',
+                'created_at' => '2014-04-04 14:17:29',
+                'updated_at' => '2014-04-04 14:17:29',
+                'path'       => '1/2/4',
+                'available_sort_by' => [],
+                'include_in_menu' =>  true,
+                'custom_attributes' => [
+                    [
+                        'attribute_code' => 'path',
+                        'value' => '1',
+                    ],
+                    [
+                        'attribute_code' => 'url_path',
+                        'value' => 'foo/bar',
+                    ],
+                    [
+                        'attribute_code' => 'children_count',
+                        'value' => '124',
+                    ],
+                    [
+                        'attribute_code' => 'image',
+                        'value' => 'pub/media/catalog/category/foo.jpg',
+                    ],
+                ],
+            ],
+        ];
+
+        (new MagentoCategories())->updateCategories($categories);
+
+        $this->assertEquals(0, MagentoCategory::count());
+    }
+
+    /** @test */
+    public function it_allows_root_level_category()
+    {
+        Queue::fake();
+        
+        putenv('MAGENTO_DEFAULT_CATEGORY=2');
+        
+        $categories = [
+            [
+                'id'         => '2',
+                'parent_id'  => 0,
+                'name'       => 'Root Catalog',
+                'is_active'  => true,
+                'position'   => 0,
+                'level'      => 0,
+                'children'   => '2',
+                'created_at' => '2014-04-04 14:17:29',
+                'updated_at' => '2014-04-04 14:17:29',
+                'path'       => '1',
+                'available_sort_by' => [],
+                'include_in_menu' =>  true,
+                'custom_attributes' => [
+                    [
+                        'attribute_code' => 'path',
+                        'value' => '1',
+                    ],
+                    [
+                        'attribute_code' => 'url_path',
+                        'value' => 'foo/bar',
+                    ],
+                    [
+                        'attribute_code' => 'children_count',
+                        'value' => '124',
+                    ],
+                    [
+                        'attribute_code' => 'image',
+                        'value' => 'pub/media/catalog/category/foo.jpg',
+                    ],
+                ],
+            ],
+        ];
+
+        (new MagentoCategories())->updateCategories($categories);
+
+        $this->assertEquals(1, MagentoCategory::count());
+        $this->assertEquals(2, MagentoCategory::first()->id);
+    }
+
+    /** @test */
+    public function it_allows_nested_level_category()
+    {
+        Queue::fake();
+        
+        putenv('MAGENTO_DEFAULT_CATEGORY=2');
+        
+        $categories = [
+            [
+                'id'         => '10',
+                'parent_id'  => 0,
+                'name'       => 'Root Catalog',
+                'is_active'  => true,
+                'position'   => 0,
+                'level'      => 0,
+                'children'   => '2',
+                'created_at' => '2014-04-04 14:17:29',
+                'updated_at' => '2014-04-04 14:17:29',
+                'path'       => '1/2/9/10',
+                'available_sort_by' => [],
+                'include_in_menu' =>  true,
+                'custom_attributes' => [
+                    [
+                        'attribute_code' => 'path',
+                        'value' => '1',
+                    ],
+                    [
+                        'attribute_code' => 'url_path',
+                        'value' => 'foo/bar',
+                    ],
+                    [
+                        'attribute_code' => 'children_count',
+                        'value' => '124',
+                    ],
+                    [
+                        'attribute_code' => 'image',
+                        'value' => 'pub/media/catalog/category/foo.jpg',
+                    ],
+                ],
+            ],
+        ];
+
+        (new MagentoCategories())->updateCategories($categories);
+
+        $this->assertEquals(1, MagentoCategory::count());
+        $this->assertEquals(10, MagentoCategory::first()->id);
+    }
 }