diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.js b/packages/react-reconciler/src/ReactFiberCommitWork.js
index 1d2aea45b804..963e32408694 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.js
@@ -904,7 +904,6 @@ function detachFiber(current: Fiber) {
   current.memoizedState = null;
   current.updateQueue = null;
   current.dependencies = null;
-  current.sibling = null;
   current.alternate = null;
   current.firstEffect = null;
   current.lastEffect = null;