diff --git a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
index 872f68640..75410a3c4 100644
--- a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
+++ b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
@@ -5,7 +5,6 @@ import { useAlert } from 'dashboard/composables';
 import { useUISettings } from 'dashboard/composables/useUISettings';
 import { useTrack } from 'dashboard/composables';
 import keyboardEventListenerMixins from 'shared/mixins/keyboardEventListenerMixins';
-import { FEATURE_FLAGS } from 'dashboard/featureFlags';
 
 import ReplyToMessage from './ReplyToMessage.vue';
 import AttachmentPreview from 'dashboard/components/widgets/AttachmentsPreview.vue';
@@ -144,8 +143,6 @@ export default {
       currentUser: 'getCurrentUser',
       lastEmail: 'getLastEmailInSelectedChat',
       globalConfig: 'globalConfig/get',
-      accountId: 'getCurrentAccountId',
-      isFeatureEnabledonAccount: 'accounts/isFeatureEnabledonAccount',
     }),
     currentContact() {
       const senderId = this.currentChat?.meta?.sender?.id;
@@ -384,14 +381,8 @@ export default {
       const { slug = '' } = portal;
       return slug;
     },
-    isQuotedEmailReplyEnabled() {
-      return this.isFeatureEnabledonAccount(
-        this.accountId,
-        FEATURE_FLAGS.QUOTED_EMAIL_REPLY
-      );
-    },
     quotedReplyPreference() {
-      if (!this.isAnEmailChannel || !this.isQuotedEmailReplyEnabled) {
+      if (!this.isAnEmailChannel) {
         return false;
       }
 
@@ -416,11 +407,7 @@ export default {
       return truncatePreviewText(this.quotedEmailText, 80);
     },
     shouldShowQuotedReplyToggle() {
-      return (
-        this.isAnEmailChannel &&
-        !this.isOnPrivateNote &&
-        this.isQuotedEmailReplyEnabled
-      );
+      return this.isAnEmailChannel && !this.isOnPrivateNote;
     },
     shouldShowQuotedPreview() {
       return (
@@ -577,7 +564,6 @@ export default {
     },
     shouldIncludeQuotedEmail() {
       return (
-        this.isQuotedEmailReplyEnabled &&
         this.quotedReplyPreference &&
         this.shouldShowQuotedReplyToggle &&
         !!this.quotedEmailText
diff --git a/app/javascript/dashboard/featureFlags.js b/app/javascript/dashboard/featureFlags.js
index da296bac4..b97e30984 100644
--- a/app/javascript/dashboard/featureFlags.js
+++ b/app/javascript/dashboard/featureFlags.js
@@ -43,7 +43,6 @@ export const FEATURE_FLAGS = {
   CAPTAIN_TASKS: 'captain_tasks',
   CAPTAIN_DOCUMENT_AUTO_SYNC: 'captain_document_auto_sync',
   SAML: 'saml',
-  QUOTED_EMAIL_REPLY: 'quoted_email_reply',
   COMPANIES: 'companies',
   ADVANCED_SEARCH: 'advanced_search',
   CONVERSATION_REQUIRED_ATTRIBUTES: 'conversation_required_attributes',
diff --git a/config/features.yml b/config/features.yml
index 92d004f81..0814e3f9e 100644
--- a/config/features.yml
+++ b/config/features.yml
@@ -219,6 +219,7 @@
 - name: quoted_email_reply
   display_name: Quoted Email Reply
   enabled: false
+  deprecated: true
 - name: companies
   display_name: Companies
   enabled: false
diff --git a/spec/builders/messages/message_builder_spec.rb b/spec/builders/messages/message_builder_spec.rb
index 71b3cbf5a..e61198b60 100644
--- a/spec/builders/messages/message_builder_spec.rb
+++ b/spec/builders/messages/message_builder_spec.rb
@@ -181,10 +181,6 @@ describe Messages::MessageBuilder do
       end
 
       context 'when custom email content is provided' do
-        before do
-          account.enable_features('quoted_email_reply')
-        end
-
         it 'creates message with custom HTML email content' do
           params = ActionController::Parameters.new({
                                                       content: 'Regular message content',