For version 2.7-SNAPSHOT.

api/src/main/java/net/jitse/npclib/api/NPC.java

@@ -137,12 +137,9 @@ public interface NPC {
     ItemStack getItem(NPCSlot slot);
 
     /**
-     * LABYMOD ONLY
-     * Let the NPC play an emote.
-     * (https://docs.labymod.net/pages/server/emote_api/)
+     * Update the skin for every play that can see the NPC.
      *
-     * @param receiver The player who should see the emote.
-     * @param emoteId  The emote id (see link).
+     * @param skin The new skin for the NPC.
      */
-    void forceLabyModEmote(Player receiver, int emoteId);
+    void updateSkin(Skin skin);
 }

api/src/main/java/net/jitse/npclib/internal/NPCBase.java

@@ -4,8 +4,6 @@
 
 package net.jitse.npclib.internal;
 
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
 import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import net.jitse.npclib.NPCLib;
@@ -17,7 +15,6 @@ import net.jitse.npclib.api.state.NPCSlot;
 import net.jitse.npclib.api.state.NPCState;
 import net.jitse.npclib.hologram.Hologram;
 import net.jitse.npclib.utilities.MathUtil;
-import net.labymod.utilities.LMCUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -61,7 +58,7 @@ public abstract class NPCBase implements NPC, NPCPacketHandler {
     public NPCLib getInstance() {
         return instance;
     }
-    
+
     public UUID getUniqueId() {
         return uuid;
     }
@@ -96,16 +93,6 @@ public abstract class NPCBase implements NPC, NPCPacketHandler {
         }
     }
 
-    @Override
-    public void forceLabyModEmote(Player receiver, int emoteId) {
-        JsonArray array = new JsonArray();
-        JsonObject forcedEmote = new JsonObject();
-        forcedEmote.addProperty("uuid", uuid.toString());
-        forcedEmote.addProperty("emote_id", emoteId);
-        array.add(forcedEmote);
-        LMCUtils.sendLMCMessage(receiver, "emote_api", array);
-    }
-
     public void disableFOV() {
         this.cosFOV = 0;
     }