diff --git a/config/default.yml b/config/default.yml
index 05d81e1..60cd706 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -47,8 +47,3 @@ Solidus/SpreeTDecprecated:
   Description: 'Checks if Spree.t is being used and replaces it with I18n.t.'
   Enabled: true
   VersionAdded: '0.1.2'
-
-Solidus/TaxCategoryDeprecated:
-  Description: 'Checks if .tax_category=Instance is being used and suggest to replace it with .tax_categories=<Array of Instances>'
-  Enabled: true
-  VersionAdded: '0.1.3'
diff --git a/lib/rubocop/cop/solidus/tax_category_deprecated.rb b/lib/rubocop/cop/solidus/tax_category_deprecated.rb
deleted file mode 100644
index 30cfdde..0000000
--- a/lib/rubocop/cop/solidus/tax_category_deprecated.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-# frozen_string_literal: true
-
-module RuboCop
-  module Cop
-    module Solidus
-      # This cop finds tax_category= usages and suggests the usage of tax_categories= instead.
-      # This cop is needed as tax_category= has been deprecated in future version.
-      #
-      # @example EnforcedStyle:
-      #   # bad
-      #   model.tax_category = data
-      #
-      #   # good
-      #   model.tax_categories = [data]
-      #
-      class TaxCategoryDeprecated < Base
-        MSG = 'tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.'
-
-        # @!method bad_method?(node)
-        def_node_matcher :tax_category?, <<~PATTERN
-          (send (...) :tax_category= (...))
-        PATTERN
-
-        def on_send(node)
-          return unless tax_category?(node)
-
-          add_offense(node)
-        end
-      end
-    end
-  end
-end
diff --git a/lib/rubocop/cop/solidus_cops.rb b/lib/rubocop/cop/solidus_cops.rb
index 62083cd..818c35a 100644
--- a/lib/rubocop/cop/solidus_cops.rb
+++ b/lib/rubocop/cop/solidus_cops.rb
@@ -10,4 +10,4 @@
 require_relative 'solidus/spree_icon_deprecated'
 require_relative 'solidus/spree_refund_call_perform'
 require_relative 'solidus/spree_t_decprecated'
-require_relative 'solidus/tax_category_deprecated'
+
diff --git a/spec/rubocop/cop/solidus/tax_category_deprecated_spec.rb b/spec/rubocop/cop/solidus/tax_category_deprecated_spec.rb
deleted file mode 100644
index 698ba0c..0000000
--- a/spec/rubocop/cop/solidus/tax_category_deprecated_spec.rb
+++ /dev/null
@@ -1,83 +0,0 @@
-# frozen_string_literal: true
-
-RSpec.describe RuboCop::Cop::Solidus::TaxCategoryDeprecated, :config do
-  class TaxCategory
-    # ... sample class
-  end
-
-  class Tax
-    # ... sample class
-  end
-
-  let(:config) { RuboCop::Config.new('Solidus/TaxCategoryDeprecated' => { 'Enabled' => true }) }
-  let(:tax) { Tax.new }
-
-  context 'when using non-instantiated text' do
-    it 'registers an offense when using `#.tax_category = `' do
-      expect_offense(<<~RUBY)
-        model.tax_category = data
-        ^^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category =`' do
-      expect_offense(<<~RUBY)
-        model.tax_category =data
-        ^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category= `' do
-      expect_offense(<<~RUBY)
-        model.tax_category= data
-        ^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-  end
-
-  context 'when using TaxCategory.new assignment' do
-    it 'registers an offense when using `#.tax_category = `' do
-      expect_offense(<<~RUBY)
-        model.tax_category = TaxCategory.new
-        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category =`' do
-      expect_offense(<<~RUBY)
-        model.tax_category =TaxCategory.new
-        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category= `' do
-      expect_offense(<<~RUBY)
-        model.tax_category= TaxCategory.new
-        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-  end
-
-  context 'when using Tax instance for method call' do
-    it 'registers an offense when using `#.tax_category = `' do
-      expect_offense(<<~RUBY)
-      tax.tax_category = data
-      ^^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category =`' do
-      expect_offense(<<~RUBY)
-      tax.tax_category =data
-      ^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-
-    it 'registers an offense when using `#.tax_category= `' do
-      expect_offense(<<~RUBY)
-      tax.tax_category= data
-      ^^^^^^^^^^^^^^^^^^^^^^ tax_category= is deprecated and will be removed from Solidus 3.0. Please use tax_categories= instead.
-      RUBY
-    end
-  end
-end