diff --git a/src/main/java/com/jozufozu/flywheel/extension/BufferBuilderExtension.java b/src/main/java/com/jozufozu/flywheel/extension/BufferBuilderExtension.java
deleted file mode 100644
index b5a750a87..000000000
--- a/src/main/java/com/jozufozu/flywheel/extension/BufferBuilderExtension.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.jozufozu.flywheel.extension;
-
-import java.nio.ByteBuffer;
-
-import com.mojang.blaze3d.vertex.BufferBuilder;
-import com.mojang.blaze3d.vertex.VertexFormat;
-
-/**
- * Duck interface used on {@link BufferBuilder} to provide lower level access to the backing memory.
- *
- * @see com.jozufozu.flywheel.mixin.BufferBuilderMixin
- */
-public interface BufferBuilderExtension {
-
-	/**
-	 * Frees the internal ByteBuffer, if it exists.
-	 */
-	void flywheel$freeBuffer();
-
-	/**
-	 * Prepares the BufferBuilder for drawing the contents of the given buffer.
-	 * @param buffer The buffer to draw.
-	 * @param format The format of the buffer.
-	 * @param vertexCount The number of vertices in the buffer.
-	 */
-	void flywheel$injectForRender(ByteBuffer buffer, VertexFormat format, int vertexCount);
-}
diff --git a/src/main/java/com/jozufozu/flywheel/mixin/BufferBuilderMixin.java b/src/main/java/com/jozufozu/flywheel/mixin/BufferBuilderMixin.java
deleted file mode 100644
index 973d9f4dd..000000000
--- a/src/main/java/com/jozufozu/flywheel/mixin/BufferBuilderMixin.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package com.jozufozu.flywheel.mixin;
-
-import java.nio.ByteBuffer;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.lwjgl.system.MemoryUtil;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-
-import com.jozufozu.flywheel.extension.BufferBuilderExtension;
-import com.mojang.blaze3d.vertex.BufferBuilder;
-import com.mojang.blaze3d.vertex.VertexFormat;
-import com.mojang.blaze3d.vertex.VertexFormatElement;
-
-@Mixin(BufferBuilder.class)
-abstract class BufferBuilderMixin implements BufferBuilderExtension {
-	@Shadow
-	private ByteBuffer buffer;
-
-	@Shadow
-	private int vertices;
-
-	@Shadow
-	@Nullable
-	private VertexFormatElement currentElement;
-
-	@Shadow
-	private int elementIndex;
-
-	@Shadow
-	private VertexFormat format;
-
-	@Shadow
-	private VertexFormat.Mode mode;
-
-	@Shadow
-	private boolean building;
-
-	@Shadow
-	private int nextElementByte;
-
-	@Override
-	public void flywheel$freeBuffer() {
-		if (buffer != null) {
-			// The buffer is created using MemoryTracker, which uses a non-default allocator.
-			// The same allocator must be used here to free the buffer.
-			MemoryUtil.getAllocator(false).free(MemoryUtil.memAddress0(buffer));
-			buffer = null;
-		}
-	}
-
-	@Override
-	public void flywheel$injectForRender(@NotNull ByteBuffer buffer, @NotNull VertexFormat format, int vertexCount) {
-		building = true;
-		mode = VertexFormat.Mode.QUADS;
-
-		this.buffer = buffer;
-		this.format = format;
-		vertices = vertexCount;
-
-		currentElement = format.getElements().get(0);
-		elementIndex = 0;
-		nextElementByte = vertexCount * format.getVertexSize();
-	}
-}
diff --git a/src/main/resources/flywheel.mixins.json b/src/main/resources/flywheel.mixins.json
index 396e1b26f..5809e2940 100644
--- a/src/main/resources/flywheel.mixins.json
+++ b/src/main/resources/flywheel.mixins.json
@@ -6,7 +6,6 @@
   "refmap": "flywheel.refmap.json",
   "client": [
     "BlockEntityTypeMixin",
-    "BufferBuilderMixin",
     "ClientLevelMixin",
     "EntityTypeMixin",
     "FogUpdateMixin",