diff --git a/rswag-specs/lib/rswag/specs/example_group_helpers.rb b/rswag-specs/lib/rswag/specs/example_group_helpers.rb
index ed7b20f..544da6e 100644
--- a/rswag-specs/lib/rswag/specs/example_group_helpers.rb
+++ b/rswag-specs/lib/rswag/specs/example_group_helpers.rb
@@ -77,7 +77,8 @@ module Rswag
           end
 
           it "returns a #{metadata[:response][:code]} response" do
-            assert_response_matches_metadata(example.metadata, &block)
+            assert_response_matches_metadata(metadata)
+            block.call(response) if block_given?
           end
         else
           before do |example|
@@ -86,6 +87,7 @@ module Rswag
 
           it "returns a #{metadata[:response][:code]} response" do |example|
             assert_response_matches_metadata(example.metadata, &block)
+            example.instance_exec(response, &block) if block_given?
           end
         end
       end
diff --git a/rswag-specs/lib/rswag/specs/example_helpers.rb b/rswag-specs/lib/rswag/specs/example_helpers.rb
index 1b62bb8..d8ff128 100644
--- a/rswag-specs/lib/rswag/specs/example_helpers.rb
+++ b/rswag-specs/lib/rswag/specs/example_helpers.rb
@@ -27,8 +27,8 @@ module Rswag
         end
       end
 
-      def assert_response_matches_metadata(metadata, &block)
-        ResponseValidator.new.validate!(metadata, response, &block)
+      def assert_response_matches_metadata(metadata)
+        ResponseValidator.new.validate!(metadata, response)
       end
     end
   end
diff --git a/rswag-specs/lib/rswag/specs/response_validator.rb b/rswag-specs/lib/rswag/specs/response_validator.rb
index f5c4cf7..5b366ce 100644
--- a/rswag-specs/lib/rswag/specs/response_validator.rb
+++ b/rswag-specs/lib/rswag/specs/response_validator.rb
@@ -11,13 +11,12 @@ module Rswag
         @config = config
       end
 
-      def validate!(metadata, response, &block)
+      def validate!(metadata, response)
         swagger_doc = @config.get_swagger_doc(metadata[:swagger_doc])
 
         validate_code!(metadata, response.code)
         validate_headers!(metadata, response.headers)
-        validate_body!(metadata, swagger_doc, response.body, &block)
-        block.call(response) if block_given?
+        validate_body!(metadata, swagger_doc, response.body)
       end
 
       private
diff --git a/rswag-specs/spec/rswag/specs/response_validator_spec.rb b/rswag-specs/spec/rswag/specs/response_validator_spec.rb
index b93350b..1d05427 100644
--- a/rswag-specs/spec/rswag/specs/response_validator_spec.rb
+++ b/rswag-specs/spec/rswag/specs/response_validator_spec.rb
@@ -55,20 +55,6 @@ module Rswag
           it { expect { call }.to raise_error /Expected response body/ }
         end
 
-        context 'validation block provided' do
-          let(:call) { subject.validate!(metadata, response, &block) }
-
-          context 'block passes' do
-            let(:block) { Proc.new { |response| expect(response.code).to eq('200') } }
-            it { expect { call }.to_not raise_error }
-          end
-
-          context 'block fails' do
-            let(:block) { Proc.new { |response| expect(response.code).to eq('201') } }
-            it { expect { call }.to raise_error RSpec::Expectations::ExpectationNotMetError }
-          end
-        end
-
         context 'referenced schemas' do
           before do
             swagger_doc[:definitions] = {
diff --git a/test-app/spec/integration/blogs_spec.rb b/test-app/spec/integration/blogs_spec.rb
index 143dc39..fe7e8c0 100644
--- a/test-app/spec/integration/blogs_spec.rb
+++ b/test-app/spec/integration/blogs_spec.rb
@@ -22,7 +22,9 @@ describe 'Blogs API', type: :request, swagger_doc: 'v1/swagger.json' do
         schema '$ref' => '#/definitions/errors_object'
 
         let(:blog) { { title: 'foo' } }
-        run_test!
+        run_test! do |response|
+          expect(response.body).to include("can't be blank")
+        end
       end
     end
 
@@ -37,7 +39,6 @@ describe 'Blogs API', type: :request, swagger_doc: 'v1/swagger.json' do
 
       response '200', 'success' do
         schema type: 'array', items: { '$ref' => '#/definitions/blog' }
-        run_test!
       end
 
       response '406', 'unsupported accept header' do
diff --git a/test-app/swagger/v1/swagger.json b/test-app/swagger/v1/swagger.json
index 27703bf..6489e76 100644
--- a/test-app/swagger/v1/swagger.json
+++ b/test-app/swagger/v1/swagger.json
@@ -82,15 +82,6 @@
           }
         ],
         "responses": {
-          "200": {
-            "description": "success",
-            "schema": {
-              "type": "array",
-              "items": {
-                "$ref": "#/definitions/blog"
-              }
-            }
-          },
           "406": {
             "description": "unsupported accept header"
           }