diff --git a/runelite-api/src/main/java/net/runelite/api/events/NpcActionChanged.java b/runelite-api/src/main/java/net/runelite/api/events/NpcActionChanged.java
deleted file mode 100644
index 7539821167..0000000000
--- a/runelite-api/src/main/java/net/runelite/api/events/NpcActionChanged.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2018, Adam <Adam@sigterm.info>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package net.runelite.api.events;
-
-import lombok.Data;
-import net.runelite.api.NPCComposition;
-
-/**
- * An event where an action of an {@link NPCComposition} has changed.
- */
-@Data
-public class NpcActionChanged
-{
-	/**
-	 * The NPC composition that has been changed.
-	 */
-	private NPCComposition npcComposition;
-	/**
-	 * The raw index of the modified action.
-	 */
-	private int idx;
-}
diff --git a/runelite-client/src/main/java/net/runelite/client/menus/MenuManager.java b/runelite-client/src/main/java/net/runelite/client/menus/MenuManager.java
index 179b757001..c2231233db 100644
--- a/runelite-client/src/main/java/net/runelite/client/menus/MenuManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/menus/MenuManager.java
@@ -31,19 +31,15 @@ import com.google.common.collect.Multimap;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.Map;
-import java.util.Set;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.Client;
 import net.runelite.api.MenuAction;
 import net.runelite.api.MenuEntry;
-import net.runelite.api.NPCComposition;
 import net.runelite.api.events.MenuEntryAdded;
 import net.runelite.api.events.MenuOptionClicked;
-import net.runelite.api.events.NpcActionChanged;
 import net.runelite.api.events.PlayerMenuOptionsChanged;
 import net.runelite.api.events.WidgetMenuOptionClicked;
 import net.runelite.api.widgets.WidgetInfo;
@@ -67,7 +63,6 @@ public class MenuManager
 	private final Map<Integer, String> playerMenuIndexMap = new HashMap<>();
 	//Used to manage custom non-player menu options
 	private final Multimap<Integer, WidgetMenuOption> managedMenuOptions = LinkedHashMultimap.create();
-	private final Set<String> npcMenuOptions = new HashSet<>();
 
 	@Inject
 	@VisibleForTesting
@@ -194,38 +189,6 @@ public class MenuManager
 		addPlayerMenuItem(newIdx, menuText);
 	}
 
-	@Subscribe
-	public void onNpcActionChanged(NpcActionChanged event)
-	{
-		NPCComposition composition = event.getNpcComposition();
-		for (String npcOption : npcMenuOptions)
-		{
-			addNpcOption(composition, npcOption);
-		}
-	}
-
-	private void addNpcOption(NPCComposition composition, String npcOption)
-	{
-		String[] actions = composition.getActions();
-		int unused = -1;
-		for (int i = 0; i < actions.length; ++i)
-		{
-			if (actions[i] == null && unused == -1)
-			{
-				unused = i;
-			}
-			else if (actions[i] != null && actions[i].equals(npcOption))
-			{
-				return;
-			}
-		}
-		if (unused == -1)
-		{
-			return;
-		}
-		actions[unused] = npcOption;
-	}
-
 	@Subscribe
 	public void onMenuOptionClicked(MenuOptionClicked event)
 	{