diff --git a/spec/lib/referator/script/sub_spec.rb b/spec/lib/referator/script/sub_spec.rb
deleted file mode 100644
index 637f813..0000000
--- a/spec/lib/referator/script/sub_spec.rb
+++ /dev/null
@@ -1,72 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Referator::Script::Sub do
-  subject(:sub) { described_class.new vars, template }
-
-  let(:vars) { %i[foo bar car].freeze }
-  let(:template) { ['qwe', :foo, 'rty', { bar: nil }.freeze].freeze }
-
-  describe '#call' do
-    subject(:result) { sub.call(**kwargs) }
-
-    let(:kwargs) { { foo: '123', bar: '456', car: '789' }.freeze }
-
-    it { is_expected.to be_instance_of String }
-    it { is_expected.to be_frozen }
-    it { is_expected.to eq 'qwe123rty456' }
-
-    context 'when the "vars" array is empty' do
-      let(:vars) { [].freeze }
-      let(:template) { %w[qwe rty].freeze }
-      let(:kwargs) { {}.freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq 'qwerty' }
-    end
-
-    context 'when template is empty' do
-      let(:template) { [].freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to be_empty }
-    end
-
-    context 'when the "vars" array and template are empty' do
-      let(:vars) { [].freeze }
-      let(:template) { [].freeze }
-      let(:kwargs) { {}.freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to be_empty }
-    end
-
-    context 'when template is a String' do
-      let(:template) { 'qwe' }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq 'qwe' }
-    end
-
-    context 'when template is a Symbol' do
-      let(:template) { :foo }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq '123' }
-    end
-
-    context 'when template is a Hash' do
-      let(:template) { { foo: nil }.freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq '123' }
-    end
-  end
-end
diff --git a/spec/lib/referator/script_spec.rb b/spec/lib/referator/script_spec.rb
deleted file mode 100644
index 71d00aa..0000000
--- a/spec/lib/referator/script_spec.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Referator::Script do
-  subject(:script) { described_class.new workdir:, vars:, args:, env:, stdin: }
-
-  let(:workdir) { Pathname.new(__dir__).join('../../..').expand_path.freeze }
-  let(:vars) { %i[foo bar car].freeze }
-
-  let(:args) { ['echo', :foo, { bar: nil }, :car].freeze }
-  let(:env) { {}.freeze }
-  let(:stdin) { [].freeze }
-
-  describe '#call' do
-    subject(:result) { script.call(**kwargs) }
-
-    let(:kwargs) { { foo: '123', bar: '456', car: '789' }.freeze }
-
-    it { is_expected.to be_instance_of String }
-    it { is_expected.to be_frozen }
-    it { is_expected.to eq "123 456 789\n" }
-
-    context 'when it depends on env vars' do
-      let(:args) { ['sh', '-c', ['echo ', :foo, ' $BAR $CAR'].freeze].freeze }
-      let(:env) { { BAR: :bar, CAR: [:car].freeze }.freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq "123 456 789\n" }
-    end
-
-    context 'when it depends on stdin' do
-      let(:args) { 'cat' }
-      let(:stdin) { [:foo, "\n", :bar, "\n", :car, "\n"].freeze }
-
-      it { is_expected.to be_instance_of String }
-      it { is_expected.to be_frozen }
-      it { is_expected.to eq "123\n456\n789\n" }
-    end
-  end
-end