diff --git a/lib/mutant/integration/rspec.rb b/lib/mutant/integration/rspec.rb
index bd6a0c79..42f8a404 100644
--- a/lib/mutant/integration/rspec.rb
+++ b/lib/mutant/integration/rspec.rb
@@ -114,7 +114,9 @@ module Mutant
       # @api private
       #
       def all_examples
-        @world.example_groups.flat_map(&:descendants).flat_map(&:examples)
+        @world.example_groups.flat_map(&:descendants).flat_map(&:examples).select do |example|
+          example.metadata.fetch(:mutant, true)
+        end
       end
 
       # Filter examples
diff --git a/spec/integration/mutant/corpus_spec.rb b/spec/integration/mutant/corpus_spec.rb
index 65a8c326..0ad3ad05 100644
--- a/spec/integration/mutant/corpus_spec.rb
+++ b/spec/integration/mutant/corpus_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe 'Mutant on ruby corpus' do
+RSpec.describe 'Mutant on ruby corpus', mutant: false do
 
   before do
     skip 'Corpus test is deactivated on < 2.1' if RUBY_VERSION < '2.1'
diff --git a/spec/integration/mutant/null_spec.rb b/spec/integration/mutant/null_spec.rb
index 6cd6735e..409b0398 100644
--- a/spec/integration/mutant/null_spec.rb
+++ b/spec/integration/mutant/null_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe 'null integration' do
+RSpec.describe 'null integration', mutant: false do
 
   let(:base_cmd) { 'bundle exec mutant -I lib --require test_app "TestApp*"' }
 
diff --git a/spec/integration/mutant/rspec_spec.rb b/spec/integration/mutant/rspec_spec.rb
index ce691ded..08028160 100644
--- a/spec/integration/mutant/rspec_spec.rb
+++ b/spec/integration/mutant/rspec_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe 'rspec integration' do
+RSpec.describe 'rspec integration', mutant: false do
 
   let(:base_cmd) { 'bundle exec mutant -I lib --require test_app --use rspec' }
 
diff --git a/spec/integration/mutant/test_mutator_handles_types_spec.rb b/spec/integration/mutant/test_mutator_handles_types_spec.rb
index 67b85de3..9042ac34 100644
--- a/spec/integration/mutant/test_mutator_handles_types_spec.rb
+++ b/spec/integration/mutant/test_mutator_handles_types_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe do
+RSpec.describe 'AST type coverage', mutant: false do
 
   specify 'mutant should not crash for any node parser can generate' do
     Mutant::AST::Types::ALL.each do |type|
diff --git a/spec/integration/mutant/zombie_spec.rb b/spec/integration/mutant/zombie_spec.rb
index ae90fe3d..f9e6f377 100644
--- a/spec/integration/mutant/zombie_spec.rb
+++ b/spec/integration/mutant/zombie_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe 'as a zombie' do
+RSpec.describe 'as a zombie', mutant: false do
   specify 'it allows to create zombie from mutant' do
     expect { Mutant.zombify }.to change { defined?(Zombie) }.from(nil).to('constant')
     expect(Zombie.constants).to include(:Mutant)