diff --git a/components/sprint/sprint-hydration-wrapper.tsx b/components/sprint/sprint-hydration-wrapper.tsx
index 625d634..47bebb0 100644
--- a/components/sprint/sprint-hydration-wrapper.tsx
+++ b/components/sprint/sprint-hydration-wrapper.tsx
@@ -1,12 +1,10 @@
 'use client'
 
-// PBI-74 / Story 9 / T-880: Sprint workspace hydration wrapper.
+// PBI-74 / Story 9: Sprint workspace hydration wrapper.
 //
 // Server-component (sprint page) fetcht initial sprint snapshot; deze wrapper
 // hydreert useSprintWorkspaceStore op client-mount, mount de SSE-hook en de
-// resync-laag. Tijdens T-880 (schaduw-fase) blijft useSprintStore parallel
-// werken in sprint-board components — beide stores naast elkaar tot T-881
-// componenten omzet en T-883 de oude store opruimt.
+// resync-laag.
 
 import { useEffect, useRef } from 'react'
 import { useSprintRealtime } from '@/lib/realtime/use-sprint-realtime'
diff --git a/stores/sprint-store.ts b/stores/sprint-store.ts
deleted file mode 100644
index c332eea..0000000
--- a/stores/sprint-store.ts
+++ /dev/null
@@ -1,57 +0,0 @@
-import { create } from 'zustand'
-
-interface SprintStore {
-  // sprintId → storyId[]
-  sprintStoryOrder: Record<string, string[]>
-  // storyId → taskId[]
-  taskOrder: Record<string, string[]>
-
-  initSprint: (sprintId: string, storyIds: string[]) => void
-  addStoryToSprint: (sprintId: string, storyId: string) => void
-  removeStoryFromSprint: (sprintId: string, storyId: string) => void
-  reorderSprintStories: (sprintId: string, storyIds: string[]) => void
-  rollbackSprint: (sprintId: string, storyIds: string[]) => void
-
-  initTasks: (storyId: string, taskIds: string[]) => void
-  reorderTasks: (storyId: string, taskIds: string[]) => void
-  rollbackTasks: (storyId: string, taskIds: string[]) => void
-}
-
-export const useSprintStore = create<SprintStore>((set) => ({
-  sprintStoryOrder: {},
-  taskOrder: {},
-
-  initSprint: (sprintId, storyIds) =>
-    set((s) => ({ sprintStoryOrder: { ...s.sprintStoryOrder, [sprintId]: storyIds } })),
-
-  addStoryToSprint: (sprintId, storyId) =>
-    set((s) => ({
-      sprintStoryOrder: {
-        ...s.sprintStoryOrder,
-        [sprintId]: [...(s.sprintStoryOrder[sprintId] ?? []), storyId],
-      },
-    })),
-
-  removeStoryFromSprint: (sprintId, storyId) =>
-    set((s) => ({
-      sprintStoryOrder: {
-        ...s.sprintStoryOrder,
-        [sprintId]: (s.sprintStoryOrder[sprintId] ?? []).filter((id) => id !== storyId),
-      },
-    })),
-
-  reorderSprintStories: (sprintId, storyIds) =>
-    set((s) => ({ sprintStoryOrder: { ...s.sprintStoryOrder, [sprintId]: storyIds } })),
-
-  rollbackSprint: (sprintId, storyIds) =>
-    set((s) => ({ sprintStoryOrder: { ...s.sprintStoryOrder, [sprintId]: storyIds } })),
-
-  initTasks: (storyId, taskIds) =>
-    set((s) => ({ taskOrder: { ...s.taskOrder, [storyId]: taskIds } })),
-
-  reorderTasks: (storyId, taskIds) =>
-    set((s) => ({ taskOrder: { ...s.taskOrder, [storyId]: taskIds } })),
-
-  rollbackTasks: (storyId, taskIds) =>
-    set((s) => ({ taskOrder: { ...s.taskOrder, [storyId]: taskIds } })),
-}))