diff --git a/src/main/java/com/minelittlepony/unicopia/client/render/spell/PortalSpellRenderer.java b/src/main/java/com/minelittlepony/unicopia/client/render/spell/PortalSpellRenderer.java
index 8881834e..a75c3f72 100644
--- a/src/main/java/com/minelittlepony/unicopia/client/render/spell/PortalSpellRenderer.java
+++ b/src/main/java/com/minelittlepony/unicopia/client/render/spell/PortalSpellRenderer.java
@@ -6,9 +6,7 @@ import com.minelittlepony.unicopia.ability.magic.spell.effect.PortalSpell;
 import com.minelittlepony.unicopia.client.render.RenderLayers;
 import com.minelittlepony.unicopia.client.render.model.SphereModel;
 import com.minelittlepony.unicopia.entity.EntityReference;
-import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.render.Frustum;
 import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.render.VertexConsumerProvider;
 import net.minecraft.client.util.math.MatrixStack;
@@ -80,10 +78,4 @@ public class PortalSpellRenderer extends SpellRenderer<PortalSpell> {
 
         matrices.pop();
     }
-
-    public interface WorldRendererDuck {
-        ObjectArrayList<?> unicopia_getChunkInfos();
-
-        Frustum unicopia_getFrustum();
-    }
 }
diff --git a/src/main/java/com/minelittlepony/unicopia/mixin/client/MixinWorldRenderer.java b/src/main/java/com/minelittlepony/unicopia/mixin/client/MixinWorldRenderer.java
index bf5dc7b5..edcc852d 100644
--- a/src/main/java/com/minelittlepony/unicopia/mixin/client/MixinWorldRenderer.java
+++ b/src/main/java/com/minelittlepony/unicopia/mixin/client/MixinWorldRenderer.java
@@ -15,10 +15,7 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import com.minelittlepony.unicopia.client.ClientBlockDestructionManager;
 import com.minelittlepony.unicopia.client.UnicopiaClient;
-import com.minelittlepony.unicopia.client.render.spell.PortalSpellRenderer;
-
 import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
-import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import net.minecraft.client.render.BlockBreakingInfo;
 import net.minecraft.client.render.Camera;
 import net.minecraft.client.render.WorldRenderer;
@@ -28,7 +25,7 @@ import net.minecraft.resource.SynchronousResourceReloader;
 import net.minecraft.util.math.RotationAxis;
 
 @Mixin(value = WorldRenderer.class, priority = 1001)
-abstract class MixinWorldRenderer implements SynchronousResourceReloader, AutoCloseable, ClientBlockDestructionManager.Source, PortalSpellRenderer.WorldRendererDuck {
+abstract class MixinWorldRenderer implements SynchronousResourceReloader, AutoCloseable, ClientBlockDestructionManager.Source {
 
     private final ClientBlockDestructionManager destructions = new ClientBlockDestructionManager();
 
@@ -44,10 +41,6 @@ abstract class MixinWorldRenderer implements SynchronousResourceReloader, AutoCl
         return destructions;
     }
 
-    @Override
-    @Accessor("chunkInfos")
-    public abstract ObjectArrayList<?> unicopia_getChunkInfos();
-
     @Override
     @Accessor("ticks")
     public abstract int getTicks();