diff --git a/app/controllers/api/v1/accounts/conversations/scheduled_messages_controller.rb b/app/controllers/api/v1/accounts/conversations/scheduled_messages_controller.rb
index eda5e9937..f50d327d6 100644
--- a/app/controllers/api/v1/accounts/conversations/scheduled_messages_controller.rb
+++ b/app/controllers/api/v1/accounts/conversations/scheduled_messages_controller.rb
@@ -22,6 +22,7 @@ class Api::V1::Accounts::Conversations::ScheduledMessagesController < Api::V1::A
 
   def update
     @scheduled_message.assign_attributes(scheduled_message_params)
+    @scheduled_message.attachment.purge if params[:remove_attachment].present? && @scheduled_message.attachment.attached?
     @scheduled_message.save!
     dispatch_event(SCHEDULED_MESSAGE_UPDATED, scheduled_message: @scheduled_message)
   end
diff --git a/app/javascript/dashboard/api/scheduledMessages.js b/app/javascript/dashboard/api/scheduledMessages.js
index 052cb4f42..71465b51c 100644
--- a/app/javascript/dashboard/api/scheduledMessages.js
+++ b/app/javascript/dashboard/api/scheduledMessages.js
@@ -7,6 +7,7 @@ export const buildScheduledMessagePayload = ({
   scheduledAt,
   templateParams,
   attachment,
+  removeAttachment,
 } = {}) => {
   if (!attachment) {
     return {
@@ -14,6 +15,7 @@ export const buildScheduledMessagePayload = ({
       status,
       scheduled_at: scheduledAt,
       template_params: templateParams,
+      remove_attachment: removeAttachment || undefined,
     };
   }
 
diff --git a/app/javascript/dashboard/routes/dashboard/conversation/scheduledMessages/ScheduledMessageModal.vue b/app/javascript/dashboard/routes/dashboard/conversation/scheduledMessages/ScheduledMessageModal.vue
index 173c18a23..920609c1d 100644
--- a/app/javascript/dashboard/routes/dashboard/conversation/scheduledMessages/ScheduledMessageModal.vue
+++ b/app/javascript/dashboard/routes/dashboard/conversation/scheduledMessages/ScheduledMessageModal.vue
@@ -87,11 +87,14 @@ const originalHasAttachment = ref(false);
 // NOTE: Local ref to control modal visibility, prevents auto-close when unsaved changes exist
 const localShowModal = ref(false);
 
+const removedExistingAttachment = ref(false);
+
 const resetForm = () => {
   messageContent.value = '';
   scheduledDateTime.value = null;
   attachments.value = [];
   existingAttachment.value = null;
+  removedExistingAttachment.value = false;
   templateParams.value = null;
   contentError.value = false;
   dateTimeError.value = '';
@@ -162,9 +165,30 @@ const hasTemplate = computed(
 );
 const hasExistingAttachment = computed(() => !!existingAttachment.value);
 const showAttachmentUpload = computed(
-  () => !hasNewAttachment.value && !hasTemplate.value
+  () =>
+    !hasNewAttachment.value &&
+    !hasExistingAttachment.value &&
+    !hasTemplate.value
 );
 
+const displayAttachments = computed(() => {
+  if (attachments.value.length) return attachments.value;
+  if (existingAttachment.value) {
+    return [
+      {
+        id: existingAttachment.value.id,
+        thumb: existingAttachment.value.file_url,
+        resource: {
+          id: existingAttachment.value.id,
+          content_type: existingAttachment.value.file_type,
+          filename: existingAttachment.value.filename,
+        },
+      },
+    ];
+  }
+  return [];
+});
+
 const templateName = computed(() => {
   return templateParams.value?.name || templateParams.value?.id || null;
 });
@@ -258,6 +282,16 @@ const onAttachmentsChange = value => {
   attachments.value = value.slice(0, 1);
 };
 
+const onDisplayAttachmentsChange = value => {
+  if (value.length === 0) {
+    if (existingAttachment.value) removedExistingAttachment.value = true;
+    attachments.value = [];
+    existingAttachment.value = null;
+  } else {
+    onAttachmentsChange(value);
+  }
+};
+
 const resolveAttachmentPayload = () => {
   if (!attachments.value.length) return null;
   const attachment = attachments.value[0];
@@ -326,6 +360,8 @@ const buildPayload = status => {
   const attachmentPayload = resolveAttachmentPayload();
   if (attachmentPayload) {
     payload.attachment = attachmentPayload;
+  } else if (removedExistingAttachment.value) {
+    payload.removeAttachment = true;
   }
 
   return payload;
@@ -532,21 +568,11 @@ watch(
               @click="clearTemplate"
             />
           </div>
-          <span
-            v-if="existingAttachment && !attachments.length"
-            class="text-xs text-n-slate-11"
-          >
-            {{
-              t('SCHEDULED_MESSAGES.MODAL.ATTACHMENT_CURRENT', {
-                filename: existingAttachment.filename,
-              })
-            }}
-          </span>
           <AttachmentPreviews
-            v-if="attachments.length"
+            v-if="displayAttachments.length"
             class="!p-0"
-            :attachments="attachments"
-            @update:attachments="onAttachmentsChange"
+            :attachments="displayAttachments"
+            @update:attachments="onDisplayAttachmentsChange"
           />
         </div>
       </div>