diff --git a/app/models/topic.rb b/app/models/topic.rb
index e2497b298e0..a141b144646 100644
--- a/app/models/topic.rb
+++ b/app/models/topic.rb
@@ -1047,14 +1047,6 @@ class Topic < ActiveRecord::Base
         raise NotAllowed.new(I18n.t("topic_invite.sender_does_not_allow_pm"))
       end
 
-      if !target_user.staff? && target_user&.user_option&.enable_allowed_pm_users
-        topic_users = self.topic_allowed_users.pluck(:user_id)
-        allowed_users = AllowedPmUser.where(user: target_user.id, allowed_pm_user_id: topic_users)
-        if (allowed_users - topic_users).size > 0
-          raise NotAllowed.new(I18n.t("topic_invite.receiver_does_not_allow_other_user_pm"))
-        end
-      end
-
       if private_message?
         !!invite_to_private_message(invited_by, target_user, guardian)
       else
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index f5d23d879d7..19b0f05c556 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -260,7 +260,6 @@ en:
     muted_topic: "Sorry, that user muted this topic."
     receiver_does_not_allow_pm: "Sorry, that user does not allow you to send them private messages."
     sender_does_not_allow_pm: "Sorry, you do not allow that user to send you private messages."
-    receiver_does_not_allow_other_user_pm: "Sorry, that user does not allow an existing participant to send them private messages."
 
   backup:
     operation_already_running: "An operation is currently running. Can't start a new job right now."
diff --git a/spec/models/topic_spec.rb b/spec/models/topic_spec.rb
index 169a2d5813c..c5d45472406 100644
--- a/spec/models/topic_spec.rb
+++ b/spec/models/topic_spec.rb
@@ -728,13 +728,16 @@ describe Topic do
             Fabricate.build(:topic_allowed_user, user: user2)
           ]) }
 
+          before do
+            another_user.user_option.update!(enable_allowed_pm_users: true)
+          end
+
           it 'succeeds when inviter is in allowed list' do
             AllowedPmUser.create!(user: another_user, allowed_pm_user: user)
             expect(topic.invite(user, another_user.username)).to eq(true)
           end
 
           it 'should raise error when inviter not in allowed list' do
-            another_user.user_option.update!(enable_allowed_pm_users: true)
             AllowedPmUser.create!(user: another_user, allowed_pm_user: user2)
             expect { topic.invite(user, another_user.username) }
               .to raise_error(Topic::NotAllowed)
@@ -742,27 +745,21 @@ describe Topic do
           end
 
           it 'should succeed for staff even when not allowed' do
-            another_user.user_option.update!(enable_allowed_pm_users: true)
             AllowedPmUser.create!(user: another_user, allowed_pm_user: user2)
             expect(topic.invite(another_user, admin.username)).to eq(true)
           end
 
           it 'should raise error when target_user is not in inviters allowed list' do
             user.user_option.update!(enable_allowed_pm_users: true)
-            another_user.user_option.update!(enable_allowed_pm_users: true)
             AllowedPmUser.create!(user: another_user, allowed_pm_user: user)
             expect { topic.invite(user, another_user.username) }
               .to raise_error(Topic::NotAllowed)
               .with_message(I18n.t("topic_invite.sender_does_not_allow_pm"))
           end
 
-          it 'should raise error if target_user has not allowed any of the other participants' do
-            another_user.user_option.update!(enable_allowed_pm_users: true)
+          it 'succeeds when inviter is in allowed list even though other participants are not in allowed list' do
             AllowedPmUser.create!(user: another_user, allowed_pm_user: user)
-
-            expect { pm.invite(user, another_user.username) }
-              .to raise_error(Topic::NotAllowed)
-              .with_message(I18n.t("topic_invite.receiver_does_not_allow_other_user_pm"))
+            expect(pm.invite(user, another_user.username)).to eq(true)
           end
         end
       end