diff --git a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/CompositeInventory.java b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/CompositeInventory.java
index 3a03e361..624c6b0a 100644
--- a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/CompositeInventory.java
+++ b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/CompositeInventory.java
@@ -1,7 +1,6 @@
 package xyz.xenondevs.invui.inventory;
 
 import org.bukkit.inventory.ItemStack;
-import org.bukkit.util.Consumer;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.xenondevs.invui.inventory.event.ItemPostUpdateEvent;
@@ -10,6 +9,7 @@
 import xyz.xenondevs.invui.util.Pair;
 
 import java.util.Collection;
+import java.util.function.Consumer;
 
 /**
  * An {@link Inventory} which is composed of multiple other {@link Inventory Inventories}.
diff --git a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/Inventory.java b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/Inventory.java
index f4f1ddd4..f4ad38cc 100644
--- a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/Inventory.java
+++ b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/Inventory.java
@@ -3,7 +3,6 @@
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
-import org.bukkit.util.Consumer;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.xenondevs.invui.InvUI;
@@ -18,6 +17,7 @@
 import xyz.xenondevs.invui.window.Window;
 
 import java.util.*;
+import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.logging.Level;
diff --git a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/ObscuredInventory.java b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/ObscuredInventory.java
index 5fbccc8f..320d06a0 100644
--- a/invui-core/src/main/java/xyz/xenondevs/invui/inventory/ObscuredInventory.java
+++ b/invui-core/src/main/java/xyz/xenondevs/invui/inventory/ObscuredInventory.java
@@ -1,7 +1,6 @@
 package xyz.xenondevs.invui.inventory;
 
 import org.bukkit.inventory.ItemStack;
-import org.bukkit.util.Consumer;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.xenondevs.invui.inventory.event.ItemPostUpdateEvent;
@@ -9,6 +8,7 @@
 import xyz.xenondevs.invui.inventory.event.UpdateReason;
 
 import java.util.ArrayList;
+import java.util.function.Consumer;
 import java.util.function.IntPredicate;
 
 /**