From 4dee630d3691ce44a6d59c4d9b618b3772f6e96c Mon Sep 17 00:00:00 2001
From: Johnny Lim <izeye@naver.com>
Date: Tue, 27 Jun 2017 09:24:28 +0900
Subject: [PATCH] Remove redundant hash code for the same field

Closes gh-9608
---
 .../springframework/boot/origin/SystemEnvironmentOrigin.java  | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/spring-boot/src/main/java/org/springframework/boot/origin/SystemEnvironmentOrigin.java b/spring-boot/src/main/java/org/springframework/boot/origin/SystemEnvironmentOrigin.java
index 5379127973..0b9d4aa570 100644
--- a/spring-boot/src/main/java/org/springframework/boot/origin/SystemEnvironmentOrigin.java
+++ b/spring-boot/src/main/java/org/springframework/boot/origin/SystemEnvironmentOrigin.java
@@ -47,9 +47,7 @@ public class SystemEnvironmentOrigin implements Origin {
 
 	@Override
 	public int hashCode() {
-		int result = ObjectUtils.nullSafeHashCode(this.property);
-		result = 31 * result + ObjectUtils.nullSafeHashCode(this.property);
-		return result;
+		return ObjectUtils.nullSafeHashCode(this.property);
 	}
 
 	@Override