diff --git a/app/assets/javascripts/admin/addon/models/admin-user.js b/app/assets/javascripts/admin/addon/models/admin-user.js
index cbcdcc2e24e..cfd34b87e37 100644
--- a/app/assets/javascripts/admin/addon/models/admin-user.js
+++ b/app/assets/javascripts/admin/addon/models/admin-user.js
@@ -86,11 +86,15 @@ const AdminUser = User.extend({
   revokeAdmin() {
     return ajax(`/admin/users/${this.id}/revoke_admin`, {
       type: "PUT",
-    }).then(() => {
+    }).then((resp) => {
       this.setProperties({
         admin: false,
         can_grant_admin: true,
         can_revoke_admin: false,
+        can_be_merged: resp.can_be_merged,
+        can_be_anonymized: resp.can_be_anonymized,
+        can_be_deleted: resp.can_be_deleted,
+        can_delete_all_posts: resp.can_delete_all_posts,
       });
     });
   },
@@ -105,11 +109,13 @@ const AdminUser = User.extend({
     return ajax(`/admin/users/${this.id}/revoke_moderation`, {
       type: "PUT",
     })
-      .then(() => {
+      .then((resp) => {
         this.setProperties({
           moderator: false,
           can_grant_moderation: true,
           can_revoke_moderation: false,
+          can_be_merged: resp.can_be_merged,
+          can_be_anonymized: resp.can_be_anonymized,
         });
       })
       .catch(popupAjaxError);
@@ -119,11 +125,13 @@ const AdminUser = User.extend({
     return ajax(`/admin/users/${this.id}/grant_moderation`, {
       type: "PUT",
     })
-      .then(() => {
+      .then((resp) => {
         this.setProperties({
           moderator: true,
           can_grant_moderation: false,
           can_revoke_moderation: true,
+          can_be_merged: resp.can_be_merged,
+          can_be_anonymized: resp.can_be_anonymized,
         });
       })
       .catch(popupAjaxError);
diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 2fb44695b40..cd8b2f7f3ae 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -187,7 +187,7 @@ class Admin::UsersController < Admin::AdminController
     guardian.ensure_can_revoke_admin!(@user)
     @user.revoke_admin!
     StaffActionLogger.new(current_user).log_revoke_admin(@user)
-    render body: nil
+    render_serialized(@user, AdminDetailedUserSerializer, root: false)
   end
 
   def grant_admin
@@ -199,14 +199,14 @@ class Admin::UsersController < Admin::AdminController
     guardian.ensure_can_revoke_moderation!(@user)
     @user.revoke_moderation!
     StaffActionLogger.new(current_user).log_revoke_moderation(@user)
-    render body: nil
+    render_serialized(@user, AdminDetailedUserSerializer, root: false)
   end
 
   def grant_moderation
     guardian.ensure_can_grant_moderation!(@user)
     @user.grant_moderation!
     StaffActionLogger.new(current_user).log_grant_moderation(@user)
-    render_serialized(@user, AdminUserSerializer)
+    render_serialized(@user, AdminDetailedUserSerializer, root: false)
   end
 
   def add_group
diff --git a/spec/requests/admin/users_controller_spec.rb b/spec/requests/admin/users_controller_spec.rb
index 6d7a7b97201..d32b6bea607 100644
--- a/spec/requests/admin/users_controller_spec.rb
+++ b/spec/requests/admin/users_controller_spec.rb
@@ -327,6 +327,14 @@ RSpec.describe Admin::UsersController do
       another_admin.reload
       expect(another_admin.admin).to eq(false)
     end
+
+    it 'returns detailed user schema' do
+      put "/admin/users/#{another_admin.id}/revoke_admin.json"
+      expect(response.parsed_body['can_be_merged']).to eq(true)
+      expect(response.parsed_body['can_be_deleted']).to eq(true)
+      expect(response.parsed_body['can_be_anonymized']).to eq(true)
+      expect(response.parsed_body['can_delete_all_posts']).to eq(true)
+    end
   end
 
   describe '#grant_admin' do
@@ -505,6 +513,12 @@ RSpec.describe Admin::UsersController do
       another_user.reload
       expect(another_user.moderator).to eq(true)
     end
+
+    it 'returns detailed user schema' do
+      put "/admin/users/#{another_user.id}/grant_moderation.json"
+      expect(response.parsed_body['can_be_merged']).to eq(false)
+      expect(response.parsed_body['can_be_anonymized']).to eq(false)
+    end
   end
 
   describe '#revoke_moderation' do
@@ -524,6 +538,12 @@ RSpec.describe Admin::UsersController do
       moderator.reload
       expect(moderator.moderator).to eq(false)
     end
+
+    it 'returns detailed user schema' do
+      put "/admin/users/#{moderator.id}/revoke_moderation.json"
+      expect(response.parsed_body['can_be_merged']).to eq(true)
+      expect(response.parsed_body['can_be_anonymized']).to eq(true)
+    end
   end
 
   describe '#primary_group' do