diff --git a/app/models/repository.rb b/app/models/repository.rb
index cd3c4f7500ffaa19a85658a3ea8b43c049a52d86..1a6970958aec448eaeb0a13649c112fea1e1bece 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -1296,8 +1296,7 @@ def object_format
   end
 
   def blank_ref
-    return Gitlab::Git::SHA1_BLANK_SHA unless exists? &&
-      Feature.enabled?(:determine_blank_ref_based_on_gitaly_object_format, project, type: :gitlab_com_derisk)
+    return Gitlab::Git::SHA1_BLANK_SHA unless exists?
 
     case object_format
     when FORMAT_SHA1
diff --git a/config/feature_flags/gitlab_com_derisk/determine_blank_ref_based_on_gitaly_object_format.yml b/config/feature_flags/gitlab_com_derisk/determine_blank_ref_based_on_gitaly_object_format.yml
deleted file mode 100644
index 35443130efca203456bb78059d7b617211179b2d..0000000000000000000000000000000000000000
--- a/config/feature_flags/gitlab_com_derisk/determine_blank_ref_based_on_gitaly_object_format.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-name: determine_blank_ref_based_on_gitaly_object_format
-feature_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/434693
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/140395
-rollout_issue_url: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/17317
-milestone: '16.8'
-group: group::source code
-type: gitlab_com_derisk
-default_enabled: false
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index e5374f92846813805d3ee482f7c539d69aaff66d..b6cb2464605d8c6a09c017febef94659b3549a9a 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -4072,20 +4072,6 @@ def update_storages(storage_hash)
 
         it { is_expected.to eq(::Gitlab::Git::SHA256_BLANK_SHA) }
       end
-
-      context 'when feature flag is disabled' do
-        before do
-          stub_feature_flags(determine_blank_ref_based_on_gitaly_object_format: false)
-        end
-
-        it { is_expected.to eq(::Gitlab::Git::SHA1_BLANK_SHA) }
-
-        context 'for a SHA256 repository' do
-          let_it_be(:project) { create(:project, :empty_repo, object_format: Repository::FORMAT_SHA256) }
-
-          it { is_expected.to eq(::Gitlab::Git::SHA1_BLANK_SHA) }
-        end
-      end
     end
 
     context 'for missing repository' do
@@ -4094,14 +4080,6 @@ def update_storages(storage_hash)
       end
 
       it { is_expected.to eq(::Gitlab::Git::SHA1_BLANK_SHA) }
-
-      context 'when feature flag is disabled' do
-        before do
-          stub_feature_flags(determine_blank_ref_based_on_gitaly_object_format: false)
-        end
-
-        it { is_expected.to eq(::Gitlab::Git::SHA1_BLANK_SHA) }
-      end
     end
   end