diff --git a/app/models/spree/shipping_method.rb b/app/models/spree/shipping_method.rb
index 1110892590..fea4601d9e 100644
--- a/app/models/spree/shipping_method.rb
+++ b/app/models/spree/shipping_method.rb
@@ -16,7 +16,7 @@ module Spree
     has_many :shipping_rates, inverse_of: :shipping_method, dependent: :destroy
     has_many :shipments, through: :shipping_rates
     has_many :shipping_method_categories, dependent: :destroy
-    has_many :shipping_categories, through: :shipping_method_categories, dependent: :destroy
+    has_many :shipping_categories, through: :shipping_method_categories, dependent: nil
     has_many :distributor_shipping_methods, dependent: :destroy
     has_many :distributors, through: :distributor_shipping_methods,
                             class_name: 'Enterprise',