diff --git a/src/main/java/biomesoplenty/core/BiomesOPlenty.java b/src/main/java/biomesoplenty/core/BiomesOPlenty.java
index 4a3cb99cb..2536ed4fd 100644
--- a/src/main/java/biomesoplenty/core/BiomesOPlenty.java
+++ b/src/main/java/biomesoplenty/core/BiomesOPlenty.java
@@ -9,14 +9,9 @@
 package biomesoplenty.core;
 
 import biomesoplenty.common.command.BOPCommand;
-import biomesoplenty.common.entity.projectile.EntityMudball;
 import biomesoplenty.init.*;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.entity.RenderSprite;
-import net.minecraft.init.Items;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.DistExecutor;
-import net.minecraftforge.fml.client.registry.RenderingRegistry;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import net.minecraftforge.fml.event.lifecycle.FMLLoadCompleteEvent;
diff --git a/src/main/java/biomesoplenty/init/ModEntities.java b/src/main/java/biomesoplenty/init/ModEntities.java
index e293bfd4e..da1dc3b92 100644
--- a/src/main/java/biomesoplenty/init/ModEntities.java
+++ b/src/main/java/biomesoplenty/init/ModEntities.java
@@ -22,6 +22,8 @@ import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.world.World;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
 import net.minecraftforge.fml.client.registry.RenderingRegistry;
 import net.minecraftforge.registries.ForgeRegistries;
 
@@ -42,6 +44,7 @@ public class ModEntities
         return type;
     }
 
+    @OnlyIn(Dist.CLIENT)
     public static void registerRendering()
     {
         RenderingRegistry.registerEntityRenderingHandler(EntityMudball.class, manager -> new RenderSprite<>(manager, BOPItems.mudball, Minecraft.getInstance().getItemRenderer()));