diff --git a/core/src/main/java/net/momirealms/craftengine/core/pack/PackCacheData.java b/core/src/main/java/net/momirealms/craftengine/core/pack/PackCacheData.java
index 424eccc32..702bf2163 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/pack/PackCacheData.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/pack/PackCacheData.java
@@ -1,41 +1,29 @@
 package net.momirealms.craftengine.core.pack;
 
+import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
 import net.momirealms.craftengine.core.plugin.CraftEngine;
 import net.momirealms.craftengine.core.plugin.config.Config;
-import net.momirealms.craftengine.core.plugin.logger.Debugger;
-import net.momirealms.craftengine.core.util.SetMonitor;
 import org.jetbrains.annotations.NotNull;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Set;
-import java.util.stream.Collectors;
 
 public class PackCacheData {
     private final Set<Path> externalZips;
     private final Set<Path> externalFolders;
 
     PackCacheData(@NotNull CraftEngine plugin) {
-        this.externalFolders = new SetMonitor<>(
-                Config.foldersToMerge().stream()
-                        .map(it -> plugin.dataFolderPath().getParent().resolve(it))
-                        .filter(Files::exists)
-                        .collect(Collectors.toSet()),
-                add -> plugin.logger().info("Adding external folder: " + add),
-                remove -> plugin.logger().info("Removing external folder: " + remove),
-                true
-        );
-        this.externalZips = new SetMonitor<>(
-                Config.zipsToMerge().stream()
-                        .map(it -> plugin.dataFolderPath().getParent().resolve(it))
-                        .filter(Files::exists)
-                        .filter(Files::isRegularFile)
-                        .filter(file -> file.getFileName().toString().endsWith(".zip"))
-                        .collect(Collectors.toSet()),
-                add -> plugin.logger().info("Adding external zip: " + add),
-                remove -> plugin.logger().info("Removing external zip: " + remove),
-                true
-        );
+        this.externalFolders = Config.foldersToMerge().stream()
+                .map(it -> plugin.dataFolderPath().getParent().resolve(it))
+                .filter(Files::exists)
+                .collect(ObjectOpenHashSet.toSet());
+        this.externalZips = Config.zipsToMerge().stream()
+                .map(it -> plugin.dataFolderPath().getParent().resolve(it))
+                .filter(Files::exists)
+                .filter(Files::isRegularFile)
+                .filter(file -> file.getFileName().toString().endsWith(".zip"))
+                .collect(ObjectOpenHashSet.toSet());
     }
 
     @NotNull
diff --git a/core/src/main/java/net/momirealms/craftengine/core/util/ListMonitor.java b/core/src/main/java/net/momirealms/craftengine/core/util/ListMonitor.java
index aeb2c9350..3e37d53b5 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/util/ListMonitor.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/util/ListMonitor.java
@@ -13,16 +13,10 @@ public class ListMonitor<T> implements List<T> {
     private final List<T> list;
     private final Consumer<T> addConsumer;
     private final Consumer<Object> removeConsumer;
-
     public ListMonitor(List<T> list, Consumer<T> addConsumer, Consumer<Object> removeConsumer) {
-        this(list, addConsumer, removeConsumer, false);
-    }
-
-    public ListMonitor(List<T> list, Consumer<T> addConsumer, Consumer<Object> removeConsumer, boolean skipInitialNotification) {
         this.list = list;
         this.addConsumer = addConsumer;
         this.removeConsumer = removeConsumer;
-        if (skipInitialNotification) return;
         for (T key : list) {
             this.addConsumer.accept(key);
         }
diff --git a/core/src/main/java/net/momirealms/craftengine/core/util/SetMonitor.java b/core/src/main/java/net/momirealms/craftengine/core/util/SetMonitor.java
index 97b5640b2..39a3fa4ac 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/util/SetMonitor.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/util/SetMonitor.java
@@ -13,14 +13,9 @@ public class SetMonitor<E> implements Set<E> {
     private final Consumer<Object> removeConsumer;
 
     public SetMonitor(Set<E> set, Consumer<E> addConsumer, Consumer<Object> removeConsumer) {
-        this(set, addConsumer, removeConsumer, false);
-    }
-
-    public SetMonitor(Set<E> set, Consumer<E> addConsumer, Consumer<Object> removeConsumer, boolean skipInitialNotification) {
         this.set = set;
         this.addConsumer = addConsumer;
         this.removeConsumer = removeConsumer;
-        if (skipInitialNotification) return;
         for (E element : set) {
             this.addConsumer.accept(element);
         }