diff --git a/ee/config/feature_flags/gitlab_com_derisk/members_api_expose_enterprise_users_emails_only.yml b/ee/config/feature_flags/gitlab_com_derisk/members_api_expose_enterprise_users_emails_only.yml
deleted file mode 100644
index a80510a18540ea0c86c4d8ea8221125d162572fe..0000000000000000000000000000000000000000
--- a/ee/config/feature_flags/gitlab_com_derisk/members_api_expose_enterprise_users_emails_only.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-name: members_api_expose_enterprise_users_emails_only
-feature_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/391453
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/135873
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/439044
-milestone: '16.9'
-group: group::authentication
-type: gitlab_com_derisk
-default_enabled: false
diff --git a/ee/lib/ee/api/entities/member.rb b/ee/lib/ee/api/entities/member.rb
index 9353a9396f501e9a6bf435349b22433ecdb3f608..5320008ea11a4b8af59221f47c79a276a747f009 100644
--- a/ee/lib/ee/api/entities/member.rb
+++ b/ee/lib/ee/api/entities/member.rb
@@ -15,11 +15,7 @@ module Member
           expose(
             :email,
             if: ->(member, options) {
-              options[:current_user]&.can_admin_all_resources? || member.user&.managed_by_user?(options[:current_user], group: member.source&.root_ancestor) ||
-                (
-                  ::Feature.disabled?(:members_api_expose_enterprise_users_emails_only, type: :gitlab_com_derisk) &&
-                    Ability.allowed?(options[:current_user], :admin_group_member, member.user&.provisioned_by_group)
-                )
+              options[:current_user]&.can_admin_all_resources? || member.user&.managed_by_user?(options[:current_user], group: member.source&.root_ancestor)
             }
           ) do |member, _options|
             member.user&.email
diff --git a/ee/lib/ee/api/helpers/members_helpers.rb b/ee/lib/ee/api/helpers/members_helpers.rb
index ef2ab07c250fc772b655ec68fb5597ff0d22b9b5..37c12d41e03f6563ab9ca7589626675a3e2074e0 100644
--- a/ee/lib/ee/api/helpers/members_helpers.rb
+++ b/ee/lib/ee/api/helpers/members_helpers.rb
@@ -43,11 +43,7 @@ def member_access_levels
         override :retrieve_members
         def retrieve_members(source, params:, deep: false)
           members = super
-          members = if ::Feature.enabled?(:members_api_expose_enterprise_users_emails_only, type: :gitlab_com_derisk)
-                      members.includes(user: [:user_highest_role, :user_detail])
-                    else
-                      members.includes(user: [:user_highest_role, { user_detail: :provisioned_by_group }])
-                    end
+          members = members.includes(user: [:user_highest_role, :user_detail])
 
           if can_view_group_identity?(source)
             members = members.includes(user: :group_saml_identities)
diff --git a/ee/spec/lib/ee/api/entities/member_spec.rb b/ee/spec/lib/ee/api/entities/member_spec.rb
index b8a39a1e6909efff34dae7e29b4babb537e303b1..99b8df4cb1fa30c182d0595e825fa9407ae983a5 100644
--- a/ee/spec/lib/ee/api/entities/member_spec.rb
+++ b/ee/spec/lib/ee/api/entities/member_spec.rb
@@ -203,28 +203,6 @@
         end
       end
     end
-
-    context 'when members_api_expose_enterprise_users_emails_only FF is disabled' do
-      before do
-        stub_feature_flags(members_api_expose_enterprise_users_emails_only: false)
-      end
-
-      context 'when the current_user is a group owner' do
-        before do
-          create(:group_member, :owner, user: current_user, group: group)
-        end
-
-        include_examples "does not expose the user's email"
-
-        context 'when member user is provisioned by the group' do
-          before do
-            member.user.provisioned_by_group = group
-          end
-
-          include_examples "exposes the user's email"
-        end
-      end
-    end
   end
 
   context 'with state' do
diff --git a/ee/spec/requests/api/members_spec.rb b/ee/spec/requests/api/members_spec.rb
index 34b7850450a285803367a6141a1a92946fae13f1..97fcec2df4d738b9056ddde57245f0bf6847019d 100644
--- a/ee/spec/requests/api/members_spec.rb
+++ b/ee/spec/requests/api/members_spec.rb
@@ -33,30 +33,6 @@
 
         expect(subject.map { |u| u['id'] }).not_to include(minimal_access_member.user_id)
       end
-
-      context 'when members_api_expose_enterprise_users_emails_only FF is disabled' do
-        before do
-          stub_feature_flags(members_api_expose_enterprise_users_emails_only: false)
-        end
-
-        context 'when the current_user is a group owner' do
-          let_it_be(:member) { create(:group_member, :owner, group: group) }
-
-          it_behaves_like 'members response with hidden email' do
-            let(:email) { member.user.email }
-          end
-
-          context 'when member user is provisioned by the group' do
-            before do
-              member.user.update!(provisioned_by_group: group)
-            end
-
-            it_behaves_like 'members response with exposed email' do
-              let(:email) { member.user.email }
-            end
-          end
-        end
-      end
     end
 
     describe 'POST /groups/:id/members' do