From 9b8da04e643bdb580055d5305dec68b5c2c3ea6c Mon Sep 17 00:00:00 2001
From: Qimiao Chen <chenqimiao1994@126.com>
Date: Fri, 8 Nov 2019 20:39:02 +0800
Subject: [PATCH] Delete unnecessary variable assignment

Closes gh-23955
---
 .../beans/factory/support/AbstractBeanFactory.java               | 1 -
 1 file changed, 1 deletion(-)

diff --git a/spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java b/spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java
index 29fe3a8c4649..c8305b30cfb0 100644
--- a/spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java
+++ b/spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java
@@ -1317,7 +1317,6 @@ protected RootBeanDefinition getMergedBeanDefinition(
 
 			if (mbd == null || mbd.stale) {
 				previous = mbd;
-				mbd = null;
 				if (bd.getParentName() == null) {
 					// Use copy of given root bean definition.
 					if (bd instanceof RootBeanDefinition) {