diff --git a/ee/app/models/approval_wrapped_rule.rb b/ee/app/models/approval_wrapped_rule.rb
index ddf32e0e842185874e80c4b25df46176f14c1fa3..357f38f1ee1d6a60ebe244468f5ca878f510d067 100644
--- a/ee/app/models/approval_wrapped_rule.rb
+++ b/ee/app/models/approval_wrapped_rule.rb
@@ -74,6 +74,12 @@ def approved_approvers
     end
   end
 
+  def commented_approvers
+    strong_memoize(:commented_approvers) do
+      []
+    end
+  end
+
   def approved?
     strong_memoize(:approved) do
       approvals_left <= 0 || unactioned_approvers.size <= 0
diff --git a/ee/lib/ee/api/entities/merge_request_approval_setting_rule.rb b/ee/lib/ee/api/entities/merge_request_approval_setting_rule.rb
index 95ed3a68c1205f8044f47abaa817fffc5dab6da5..bc6cffa00a6faa5df6e394b23c9a4c102ee95802 100644
--- a/ee/lib/ee/api/entities/merge_request_approval_setting_rule.rb
+++ b/ee/lib/ee/api/entities/merge_request_approval_setting_rule.rb
@@ -9,6 +9,7 @@ module Entities
       # To be removed in https://gitlab.com/gitlab-org/gitlab/issues/13574.
       class MergeRequestApprovalSettingRule < MergeRequestApprovalStateRule
         expose :approvers, using: ::API::Entities::UserBasic, override: true
+        expose :commented_approvers, as: :commented_by, using: ::API::Entities::UserBasic
       end
     end
   end
diff --git a/ee/lib/ee/api/entities/merge_request_approval_state_rule.rb b/ee/lib/ee/api/entities/merge_request_approval_state_rule.rb
index 7dde02d2bfaa1e4e1b48d3fd5d3d1e8fa766bfc5..053a5ca3688d18ef8bdcdf66b5ef16fa2d534eb3 100644
--- a/ee/lib/ee/api/entities/merge_request_approval_state_rule.rb
+++ b/ee/lib/ee/api/entities/merge_request_approval_state_rule.rb
@@ -7,8 +7,6 @@ class MergeRequestApprovalStateRule < MergeRequestApprovalRule
         expose :code_owner
         expose :approved_approvers, as: :approved_by, using: ::API::Entities::UserBasic
         expose :approved?, as: :approved
-
-        expose :approved_approvers, as: :commented_by, using: ::API::Entities::UserBasic
       end
     end
   end
diff --git a/ee/spec/models/approval_wrapped_rule_spec.rb b/ee/spec/models/approval_wrapped_rule_spec.rb
index d10c18fa61e9cbeb9d60050346e25b10cddfe768..cfaa9df90a74e464bd1e9490620891701849c9f5 100644
--- a/ee/spec/models/approval_wrapped_rule_spec.rb
+++ b/ee/spec/models/approval_wrapped_rule_spec.rb
@@ -138,6 +138,12 @@
     end
   end
 
+  describe "#commented_approvers" do
+    it "returns an array" do
+      expect(subject.commented_approvers).to be_an(Array)
+    end
+  end
+
   describe '#unactioned_approvers' do
     context 'when some approvers has not approved yet' do
       before do
diff --git a/ee/spec/requests/api/merge_request_approvals_spec.rb b/ee/spec/requests/api/merge_request_approvals_spec.rb
index 6aeb0298687c71a799cb7f74ccbcc6cf6f3d997b..49998010f10676661546a1e0e1042fb1ab58e163 100644
--- a/ee/spec/requests/api/merge_request_approvals_spec.rb
+++ b/ee/spec/requests/api/merge_request_approvals_spec.rb
@@ -174,7 +174,7 @@
       expect(rule_response['name']).to eq('foo')
       expect(rule_response['approvers'][0]['username']).to eq(approver.username)
       expect(rule_response['approved_by'][0]['username']).to eq(approver.username)
-      expect(rule_response['commented_by'][0]['username']).to eq(approver.username)
+      expect(rule_response['commented_by']).to eq([])
       expect(rule_response['source_rule']).to be_nil
       expect(rule_response['section']).to be_nil
     end