diff --git a/Gemfile.saas.lock b/Gemfile.saas.lock
index 2153cbdfa..0b0e79cb8 100644
--- a/Gemfile.saas.lock
+++ b/Gemfile.saas.lock
@@ -21,7 +21,7 @@ GIT
 
 GIT
   remote: https://github.com/basecamp/lexxy
-  revision: 2fafd144924c95c25bd4c6656ae04034f7835494
+  revision: 4f0fc4d5773bc6892de70f175440c259974c12a7
   specs:
     lexxy (0.7.0.beta)
       rails (>= 8.0.2)
diff --git a/app/views/cards/action_text/attachables/_missing_attachable.html.erb b/app/views/cards/action_text/attachables/_missing_attachable.html.erb
deleted file mode 100644
index 5ffd93b89..000000000
--- a/app/views/cards/action_text/attachables/_missing_attachable.html.erb
+++ /dev/null
@@ -1 +0,0 @@
-<%= "☒" -%>
diff --git a/test/controllers/cards_controller_test.rb b/test/controllers/cards_controller_test.rb
index 11c4b62a5..8540912e6 100644
--- a/test/controllers/cards_controller_test.rb
+++ b/test/controllers/cards_controller_test.rb
@@ -52,6 +52,16 @@ class CardsControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
   end
 
+  test "edit card with invalid attachments in description" do
+    card = cards(:logo)
+    card.update! description: <<~HTML
+      <action-text-attachment sgid="gid://fizzy/Card/nonexistent" content-type="application/octet-stream"></action-text-attachment>
+    HTML
+
+    get edit_card_path(card)
+    assert_response :success
+  end
+
   test "update" do
     patch card_path(cards(:logo)), as: :turbo_stream, params: {
       card: {