diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/util/JoinedCharSequence.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/util/JoinedCharSequence.java
index 0c9cdb0e1..b5b250aaf 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/util/JoinedCharSequence.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/util/JoinedCharSequence.java
@@ -1,5 +1,9 @@
 package com.fastasyncworldedit.core.util;
 
+/**
+ * @deprecated Unused, will be removed in the future. Use String concatenation instead.
+ */
+@Deprecated(forRemoval = true, since = "TODO")
 public class JoinedCharSequence implements CharSequence {
 
     private char join;
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
index 47e083809..e79a9af5a 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
@@ -20,7 +20,6 @@
 package com.sk89q.worldedit.world.block;
 
 import com.fastasyncworldedit.core.command.SuggestInputParseException;
-import com.fastasyncworldedit.core.util.JoinedCharSequence;
 import com.fastasyncworldedit.core.util.StringMan;
 import com.sk89q.worldedit.extension.input.InputParseException;
 import com.sk89q.worldedit.extension.input.ParserContext;
@@ -1923,23 +1922,19 @@ public final class BlockTypes {
     public static final BlockType ZOMBIE_WALL_HEAD = init();
 
     private static Field[] fieldsTmp;
-    private static JoinedCharSequence joined;
     private static int initIndex = 0;
 
     public static BlockType init() {
         if (fieldsTmp == null) {
             fieldsTmp = BlockTypes.class.getDeclaredFields();
             BlockTypesCache.$NAMESPACES.isEmpty(); // initialize cache
-            joined = new JoinedCharSequence();
         }
         String name = fieldsTmp[initIndex++].getName().toLowerCase(Locale.ROOT);
-        CharSequence fullName = joined.init(BlockType.REGISTRY.getDefaultNamespace(), ':', name);
-        return BlockType.REGISTRY.getMap().get(fullName);
+        return BlockType.REGISTRY.get(name);
     }
 
     static {
         fieldsTmp = null;
-        joined = null;
     }
 
     /*
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
index 41360c3c2..51369161a 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
@@ -19,7 +19,6 @@
 
 package com.sk89q.worldedit.world.item;
 
-import com.fastasyncworldedit.core.util.JoinedCharSequence;
 import com.fastasyncworldedit.core.world.block.ItemTypesCache;
 import com.sk89q.worldedit.world.registry.LegacyMapper;
 
@@ -2362,7 +2361,6 @@ public final class ItemTypes {
     }
 
     private static Field[] fieldsTmp;
-    private static JoinedCharSequence joined;
     private static int initIndex = 0;
 
     private static ItemType init() {
@@ -2370,11 +2368,9 @@ public final class ItemTypes {
             if (fieldsTmp == null) {
                 fieldsTmp = ItemTypes.class.getDeclaredFields();
                 ItemTypesCache.init(); // force class to load
-                joined = new JoinedCharSequence();
             }
             String name = fieldsTmp[initIndex++].getName().toLowerCase(Locale.ROOT);
-            CharSequence fullName = joined.init(ItemType.REGISTRY.getDefaultNamespace(), ':', name);
-            return ItemType.REGISTRY.getMap().get(fullName);
+            return ItemType.REGISTRY.get(name);
         } catch (Throwable e) {
             e.printStackTrace();
             throw e;
@@ -2383,7 +2379,6 @@ public final class ItemTypes {
 
     static {
         fieldsTmp = null;
-        joined = null;
     }
 
     @Nullable