diff --git a/app/controllers/cards/engagements_controller.rb b/app/controllers/cards/engagements_controller.rb
deleted file mode 100644
index 73b8e9c9d3..0000000000
--- a/app/controllers/cards/engagements_controller.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-class Cards::EngagementsController < ApplicationController
-  include CardScoped
-
-  def create
-    case params[:engagement]
-    when "doing"
-      @card.engage
-    when "on_deck"
-      @card.move_to_on_deck
-    end
-    render_card_replacement
-  end
-
-  def destroy
-    @card.reconsider
-    render_card_replacement
-  end
-end
diff --git a/app/models/card/engagement.rb b/app/models/card/engagement.rb
deleted file mode 100644
index 2f45543dc9..0000000000
--- a/app/models/card/engagement.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-class Card::Engagement < ApplicationRecord
-  belongs_to :account, default: -> { card.account }
-  belongs_to :card, class_name: "::Card", touch: true
-
-  validates :status, presence: true, inclusion: { in: %w[doing on_deck] }
-end
diff --git a/db/migrate/20251219120755_drop_card_engagements.rb b/db/migrate/20251219120755_drop_card_engagements.rb
new file mode 100644
index 0000000000..634d64456a
--- /dev/null
+++ b/db/migrate/20251219120755_drop_card_engagements.rb
@@ -0,0 +1,16 @@
+class DropCardEngagements < ActiveRecord::Migration[8.2]
+  def up
+    drop_table :card_engagements
+  end
+
+  def down
+    create_table :card_engagements, id: :uuid do |t|
+      t.references :account, type: :uuid, null: false
+      t.references :card, type: :uuid, null: false, index: true
+      t.string :status, null: false
+      t.timestamps
+    end
+
+    add_index :card_engagements, [ :account_id, :status ]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 645cb7a96f..c120a87aea 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.2].define(version: 2025_12_10_054934) do
+ActiveRecord::Schema[8.2].define(version: 2025_12_19_120755) do
   create_table "accesses", id: :uuid, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.datetime "accessed_at"
     t.uuid "account_id", null: false
@@ -169,16 +169,6 @@
     t.index ["card_id"], name: "index_card_activity_spikes_on_card_id", unique: true
   end
 
-  create_table "card_engagements", id: :uuid, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
-    t.uuid "account_id", null: false
-    t.uuid "card_id"
-    t.datetime "created_at", null: false
-    t.string "status", default: "doing", null: false
-    t.datetime "updated_at", null: false
-    t.index ["account_id", "status"], name: "index_card_engagements_on_account_id_and_status"
-    t.index ["card_id"], name: "index_card_engagements_on_card_id"
-  end
-
   create_table "card_goldnesses", id: :uuid, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.uuid "account_id", null: false
     t.uuid "card_id", null: false
diff --git a/test/fixtures/card/engagements.yml b/test/fixtures/card/engagements.yml
deleted file mode 100644
index 8c96bd4b5f..0000000000
--- a/test/fixtures/card/engagements.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-logo:
-  id: <%= ActiveRecord::FixtureSet.identify("logo_engagement", :uuid) %>
-  account: 37s_uuid
-  card: logo_uuid