diff --git a/spec/models/spree/product_spec.rb b/spec/models/spree/product_spec.rb
index e04ef54528..0c3ebee9dc 100644
--- a/spec/models/spree/product_spec.rb
+++ b/spec/models/spree/product_spec.rb
@@ -194,24 +194,6 @@ module Spree
         expect(build(:simple_product, supplier: nil)).not_to be_valid
       end
 
-      describe "tax category" do
-        context "when a tax category is required" do
-          it "is invalid when a tax category is not provided" do
-            with_products_require_tax_category(true) do
-              expect(build(:product, tax_category_id: nil)).not_to be_valid
-            end
-          end
-        end
-
-        context "when a tax category is not required" do
-          it "is valid when a tax category is not provided" do
-            with_products_require_tax_category(false) do
-              expect(build(:product, tax_category_id: nil)).to be_valid
-            end
-          end
-        end
-      end
-
       context "when the product has variants" do
         let(:product) do
           product = create(:simple_product)
diff --git a/spec/models/spree/variant_spec.rb b/spec/models/spree/variant_spec.rb
index d1701b24f7..93a0e603da 100644
--- a/spec/models/spree/variant_spec.rb
+++ b/spec/models/spree/variant_spec.rb
@@ -22,6 +22,24 @@ describe Spree::Variant do
       variant.unit_value = 0
       expect(variant).to be_invalid
     end
+
+    describe "tax category" do
+      context "when a tax category is required" do
+        it "is invalid when a tax category is not provided" do
+          with_products_require_tax_category(true) do
+            expect(build_stubbed(:variant, tax_category_id: nil)).not_to be_valid
+          end
+        end
+      end
+
+      context "when a tax category is not required" do
+        it "is valid when a tax category is not provided" do
+          with_products_require_tax_category(false) do
+            expect(build_stubbed(:variant, tax_category_id: nil)).to be_valid
+          end
+        end
+      end
+    end
   end
 
   context "price parsing" do