diff --git a/src/main/java/net/raphimc/viaproxy/injection/ClassicWorldHeightInjection.java b/src/main/java/net/raphimc/viaproxy/injection/ClassicWorldHeightInjection.java
index 5ccd748..365fe1a 100644
--- a/src/main/java/net/raphimc/viaproxy/injection/ClassicWorldHeightInjection.java
+++ b/src/main/java/net/raphimc/viaproxy/injection/ClassicWorldHeightInjection.java
@@ -26,9 +26,6 @@ import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_17;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
-import com.viaversion.viaversion.libs.opennbt.tag.builtin.IntTag;
-import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
-import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import net.raphimc.vialegacy.api.LegacyProtocolVersion;
 import net.raphimc.vialegacy.protocols.classic.protocola1_0_15toc0_28_30.model.ClassicLevel;
 import net.raphimc.vialegacy.protocols.classic.protocola1_0_15toc0_28_30.providers.ClassicWorldHeightProvider;
@@ -46,8 +43,8 @@ public class ClassicWorldHeightInjection {
             if (wrapper.isCancelled()) return;
 
             if (wrapper.user().getProtocolInfo().serverProtocolVersion().olderThanOrEqualTo(LegacyProtocolVersion.c0_28toc0_30)) {
-                for (Tag dimension : wrapper.get(Type.NAMED_COMPOUND_TAG, 0).<CompoundTag>get("minecraft:dimension_type").<ListTag>get("value")) {
-                    changeDimensionTagHeight(wrapper.user(), ((CompoundTag) dimension).get("element"));
+                for (CompoundTag dimension : wrapper.get(Type.NAMED_COMPOUND_TAG, 0).getCompoundTag("minecraft:dimension_type").getListTag("value", CompoundTag.class)) {
+                    changeDimensionTagHeight(wrapper.user(), dimension.getCompoundTag("element"));
                 }
                 changeDimensionTagHeight(wrapper.user(), wrapper.get(Type.NAMED_COMPOUND_TAG, 1));
             }
@@ -169,7 +166,7 @@ public class ClassicWorldHeightInjection {
     }
 
     private static void changeDimensionTagHeight(final UserConnection user, final CompoundTag tag) {
-        tag.put("height", new IntTag(Via.getManager().getProviders().get(ClassicWorldHeightProvider.class).getMaxChunkSectionCount(user) << 4));
+        tag.putInt("height", Via.getManager().getProviders().get(ClassicWorldHeightProvider.class).getMaxChunkSectionCount(user) << 4);
     }
 
 }
diff --git a/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinChatItemRewriter.java b/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinChatItemRewriter.java
deleted file mode 100644
index 38e197b..0000000
--- a/src/main/java/net/raphimc/viaproxy/injection/mixins/MixinChatItemRewriter.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
- * Copyright (C) 2021-2024 RK_01/RaphiMC and contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package net.raphimc.viaproxy.injection.mixins;
-
-import com.viaversion.viaversion.api.Via;
-import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.ChatItemRewriter;
-import net.lenni0451.mcstructs.snbt.SNbtSerializer;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-import java.util.logging.Level;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-@Mixin(value = ChatItemRewriter.class, remap = false)
-public abstract class MixinChatItemRewriter {
-
-    @Redirect(method = "toClient", at = @At(value = "INVOKE", target = "Ljava/util/regex/Pattern;matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;"))
-    private static Matcher rewriteShowItem(Pattern pattern, CharSequence input) {
-        try {
-            input = SNbtSerializer.V1_12.serialize(SNbtSerializer.V1_8.deserialize(input.toString()));
-        } catch (Throwable e) {
-            Via.getPlatform().getLogger().log(Level.WARNING, "Error converting 1.11.2 nbt to 1.12.2 nbt: '" + input + "'", e);
-        }
-        return Pattern.compile("$^").matcher(input);
-    }
-
-}