diff --git a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals.vue b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals.vue
index a2c622256b5d70c9dbedb6bf0486e281358f329b..b4a447eb987a70c412343b0feb5410c661b920a7 100644
--- a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals.vue
+++ b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals.vue
@@ -1,4 +1,13 @@
 <script>
+/* === WARNING ===
+ * This file will be removed pending the removal of the `approval_rules` feature flag.
+ *
+ * If a new feature needs to be added, please please make changes in the `./multiple_rule`
+ * directory (see the feature issue https://gitlab.com/gitlab-org/gitlab-ee/issues/1979).
+ *
+ * Follow along via this issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/10685.
+ */
+
 import createFlash from '~/flash';
 import MrWidgetContainer from '~/vue_merge_request_widget/components/mr_widget_container.vue';
 import MrWidgetIcon from '~/vue_merge_request_widget/components/mr_widget_icon.vue';
diff --git a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_body.vue b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_body.vue
index 6c90180ee8a4be0d1d6b61c1df64df02a2ac7ad1..ac709604ebd4dd8e047c345bbb2cb29faf69c830 100644
--- a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_body.vue
+++ b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_body.vue
@@ -1,4 +1,13 @@
 <script>
+/* === WARNING ===
+ * This file will be removed pending the removal of the `approval_rules` feature flag.
+ *
+ * If a new feature needs to be added, please please make changes in the `./multiple_rule`
+ * directory (see the feature issue https://gitlab.com/gitlab-org/gitlab-ee/issues/1979).
+ *
+ * Follow along via this issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/10685.
+ */
+
 import { n__, s__, sprintf } from '~/locale';
 import Flash from '~/flash';
 import Icon from '~/vue_shared/components/icon.vue';
diff --git a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_footer.vue b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_footer.vue
index d97756804c4189c3f7d01c47f64f0f7abda4bd3c..6d598618309082c9bc2b1ab2b6b58dbf4db7e968 100644
--- a/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_footer.vue
+++ b/ee/app/assets/javascripts/vue_merge_request_widget/components/approvals/single_rule/approvals_footer.vue
@@ -1,4 +1,13 @@
 <script>
+/* === WARNING ===
+ * This file will be removed pending the removal of the `approval_rules` feature flag.
+ *
+ * If a new feature needs to be added, please please make changes in the `./multiple_rule`
+ * directory (see the feature issue https://gitlab.com/gitlab-org/gitlab-ee/issues/1979).
+ *
+ * Follow along via this issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/10685.
+ */
+
 import Flash from '~/flash';
 import Icon from '~/vue_shared/components/icon.vue';
 import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';