diff --git a/src/main/java/com/thebrokenrail/sorcerycraft/mixin/CriterionRegistryHook.java b/src/main/java/com/thebrokenrail/sorcerycraft/mixin/CriterionRegistryHook.java
index af4c0f3..8f63866 100644
--- a/src/main/java/com/thebrokenrail/sorcerycraft/mixin/CriterionRegistryHook.java
+++ b/src/main/java/com/thebrokenrail/sorcerycraft/mixin/CriterionRegistryHook.java
@@ -5,7 +5,6 @@ import net.minecraft.advancement.criterion.Criterions;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Invoker;
 
-@SuppressWarnings("PublicStaticMixinMember")
 @Mixin(Criterions.class)
 public interface CriterionRegistryHook {
     @Invoker("register")
diff --git a/src/main/java/com/thebrokenrail/sorcerycraft/mixin/MixinClientPlayNetworkHandler.java b/src/main/java/com/thebrokenrail/sorcerycraft/mixin/MixinClientPlayNetworkHandler.java
index e48cbb6..7ee8ed2 100644
--- a/src/main/java/com/thebrokenrail/sorcerycraft/mixin/MixinClientPlayNetworkHandler.java
+++ b/src/main/java/com/thebrokenrail/sorcerycraft/mixin/MixinClientPlayNetworkHandler.java
@@ -2,6 +2,8 @@ package com.thebrokenrail.sorcerycraft.mixin;
 
 import com.thebrokenrail.sorcerycraft.SorceryCraft;
 import com.thebrokenrail.sorcerycraft.entity.SpellEntity;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
 import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.client.world.ClientWorld;
 import net.minecraft.entity.Entity;
@@ -19,6 +21,7 @@ public class MixinClientPlayNetworkHandler {
     @Shadow
     private ClientWorld world;
 
+    @Environment(EnvType.CLIENT)
     @Inject(method = "onEntitySpawn", at = @At(value = "TAIL"))
     public void onEntitySpawn(EntitySpawnS2CPacket packet, CallbackInfo info) {
         EntityType<?> entityType = packet.getEntityTypeId();
diff --git a/src/main/java/com/thebrokenrail/sorcerycraft/packet/SelectSpellC2SPacket.java b/src/main/java/com/thebrokenrail/sorcerycraft/packet/SelectSpellC2SPacket.java
index 45d4585..e47f772 100644
--- a/src/main/java/com/thebrokenrail/sorcerycraft/packet/SelectSpellC2SPacket.java
+++ b/src/main/java/com/thebrokenrail/sorcerycraft/packet/SelectSpellC2SPacket.java
@@ -3,6 +3,8 @@ package com.thebrokenrail.sorcerycraft.packet;
 import com.thebrokenrail.sorcerycraft.SorceryCraft;
 import com.thebrokenrail.sorcerycraft.gui.CastingTableScreenHandler;
 import io.netty.buffer.Unpooled;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
 import net.fabricmc.fabric.api.network.PacketContext;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.network.PacketByteBuf;
@@ -20,6 +22,7 @@ public class SelectSpellC2SPacket {
         }
     }
 
+    @Environment(EnvType.CLIENT)
     public static void send(MinecraftClient minecraft, int index) {
         PacketByteBuf bytes = new PacketByteBuf(Unpooled.buffer());
         bytes.writeInt(index);