From c44ae5888ca7bc921f12bf300fa53eda31267042 Mon Sep 17 00:00:00 2001
From: tonymanou <tonymanou@gmail.com>
Date: Sun, 29 Jan 2017 20:27:52 +0100
Subject: [PATCH] Optimize map operations

---
 .../main/java/com/topjohnwu/magisk/utils/CallbackHandler.java  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/CallbackHandler.java b/app/src/main/java/com/topjohnwu/magisk/utils/CallbackHandler.java
index 65e994006..cfc5a3e57 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/CallbackHandler.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/CallbackHandler.java
@@ -17,10 +17,9 @@ public class CallbackHandler {
     }
 
     public static void unRegister(Event event) {
-        HashSet<EventListener> list = listeners.get(event);
+        HashSet<EventListener> list = listeners.remove(event);
         if (list != null) {
             list.clear();
-            listeners.remove(event);
         }
     }