diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 28c16d4037f..64c93966dff 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -27,7 +27,6 @@ module Ci
 
     validates :coverage, numericality: true, allow_blank: true
     validates :ref, presence: true
-    validates :protected, inclusion: { in: [true, false], unless: :importing? }, on: :create
 
     scope :unstarted, ->() { where(runner_id: nil) }
     scope :ignore_failures, ->() { where(allow_failure: false) }
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index 35d14b6e297..46e5c344fdc 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -36,7 +36,6 @@ module Ci
     validates :sha, presence: { unless: :importing? }
     validates :ref, presence: { unless: :importing? }
     validates :status, presence: { unless: :importing? }
-    validates :protected, inclusion: { in: [true, false], unless: :importing? }, on: :create
     validate :valid_commit_sha, unless: :importing?
 
     after_create :keep_around_commits, unless: :importing?
diff --git a/spec/services/ci/retry_build_service_spec.rb b/spec/services/ci/retry_build_service_spec.rb
index f5ed9ff608f..bbc3a8c79f5 100644
--- a/spec/services/ci/retry_build_service_spec.rb
+++ b/spec/services/ci/retry_build_service_spec.rb
@@ -52,6 +52,17 @@ describe Ci::RetryBuildService do
           expect(new_build.send(attribute)).to eq build.send(attribute)
         end
       end
+
+      context 'when job has nullified protected' do
+        before do
+          build.update_attribute(:protected, nil)
+        end
+
+        it "clones protected build attribute" do
+          expect(new_build.protected).to be_nil
+          expect(new_build.protected).to eq build.protected
+        end
+      end
     end
 
     describe 'reject acessors' do