From 5773fe240be35890c967d4b33a7e80a763869123 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Tue, 28 Aug 2018 21:24:49 -0400
Subject: [PATCH] Use a HashSet here as it is more appropriate for the
 situation.

---
 .../velocitypowered/proxy/scheduler/VelocityScheduler.java  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/proxy/src/main/java/com/velocitypowered/proxy/scheduler/VelocityScheduler.java b/proxy/src/main/java/com/velocitypowered/proxy/scheduler/VelocityScheduler.java
index e3e7b342a..3e87ab911 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/scheduler/VelocityScheduler.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/scheduler/VelocityScheduler.java
@@ -12,7 +12,7 @@ import com.velocitypowered.api.scheduler.TaskStatus;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.IdentityHashMap;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicReference;
@@ -21,8 +21,8 @@ public class VelocityScheduler implements Scheduler {
     private final PluginManager pluginManager;
     private final ExecutorService taskService;
     private final ScheduledExecutorService timerExecutionService;
-    private final Multimap<Object, ScheduledTask> tasksByPlugin = Multimaps.synchronizedListMultimap(
-            Multimaps.newListMultimap(new IdentityHashMap<>(), ArrayList::new));
+    private final Multimap<Object, ScheduledTask> tasksByPlugin = Multimaps.synchronizedMultimap(
+            Multimaps.newSetMultimap(new IdentityHashMap<>(), HashSet::new));
 
     public VelocityScheduler(PluginManager pluginManager) {
         this.pluginManager = pluginManager;