diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/Packets.java b/ProtocolLib/src/main/java/com/comphenix/protocol/Packets.java
index 1d364779..ada35964 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/Packets.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/Packets.java
@@ -30,6 +30,11 @@ import com.comphenix.protocol.reflect.IntEnum;
  */
 public final class Packets {
 	
+	/**
+	 * The highest possible packet ID. It's unlikely that this value will ever change.
+	 */
+	public static final int MAXIMUM_PACKET_ID = 255;
+	
 	/**
 	 * List of packets sent only by the server.
 	 * @author Kristian
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/IntegerSet.java b/ProtocolLib/src/main/java/com/comphenix/protocol/concurrency/IntegerSet.java
similarity index 97%
rename from ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/IntegerSet.java
rename to ProtocolLib/src/main/java/com/comphenix/protocol/concurrency/IntegerSet.java
index 3deea142..2393fced 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/IntegerSet.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/concurrency/IntegerSet.java
@@ -15,7 +15,7 @@
  *  02111-1307 USA
  */
 
-package com.comphenix.protocol.injector.player;
+package com.comphenix.protocol.concurrency;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -27,7 +27,7 @@ import java.util.Set;
  * This class is intentionally missing a size method. 
  * @author Kristian
  */
-class IntegerSet {
+public class IntegerSet {
 	private final boolean[] array;
 
 	/**
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkFieldInjector.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkFieldInjector.java
index ffb6ca3d..88d9beec 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkFieldInjector.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkFieldInjector.java
@@ -28,6 +28,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import org.bukkit.entity.Player;
 
 import com.comphenix.protocol.Packets;
+import com.comphenix.protocol.concurrency.IntegerSet;
 import com.comphenix.protocol.error.ErrorReporter;
 import com.comphenix.protocol.events.ListeningWhitelist;
 import com.comphenix.protocol.events.PacketListener;
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkObjectInjector.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkObjectInjector.java
index 951c4b23..8b9f44f8 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkObjectInjector.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkObjectInjector.java
@@ -31,6 +31,7 @@ import java.lang.reflect.Method;
 import org.bukkit.entity.Player;
 
 import com.comphenix.protocol.Packets;
+import com.comphenix.protocol.concurrency.IntegerSet;
 import com.comphenix.protocol.error.ErrorReporter;
 import com.comphenix.protocol.events.ListeningWhitelist;
 import com.comphenix.protocol.events.PacketListener;
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkServerInjector.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkServerInjector.java
index 7261547b..da328bd2 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkServerInjector.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/NetworkServerInjector.java
@@ -32,6 +32,7 @@ import net.sf.cglib.proxy.NoOp;
 
 import org.bukkit.entity.Player;
 
+import com.comphenix.protocol.concurrency.IntegerSet;
 import com.comphenix.protocol.error.ErrorReporter;
 import com.comphenix.protocol.events.PacketListener;
 import com.comphenix.protocol.injector.GamePhase;
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/PlayerInjectionHandler.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/PlayerInjectionHandler.java
index dd23e6fd..a1fe1b44 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/PlayerInjectionHandler.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/PlayerInjectionHandler.java
@@ -79,13 +79,6 @@ public interface PlayerInjectionHandler {
 	 */
 	public abstract void injectPlayer(Player player);
 
-	/**
-	 * Determine if it's truly necessary to perform the given player injection.
-	 * @param phase - current game phase.
-	 * @return TRUE if we should perform the injection, FALSE otherwise.
-	 */
-	public abstract boolean isInjectionNecessary(GamePhase phase);
-
 	/**
 	 * Invoke special routines for handling disconnect before a player is uninjected.
 	 * @param player - player to process.
@@ -99,14 +92,6 @@ public interface PlayerInjectionHandler {
 	 */
 	public abstract boolean uninjectPlayer(Player player);
 
-	/**
-	 * Unregisters the given player.
-	 * @param player - player to unregister.
-	 * @param removeAuxiliary - TRUE to remove auxiliary information, such as input stream and address.
-	 * @return TRUE if a player has been uninjected, FALSE otherwise.
-	 */
-	public abstract boolean uninjectPlayer(Player player, boolean removeAuxiliary);
-
 	/**
 	 * Unregisters a player by the given address.
 	 * <p>
diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/ProxyPlayerInjectionHandler.java b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/ProxyPlayerInjectionHandler.java
index dea74009..053fe0ef 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/ProxyPlayerInjectionHandler.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/injector/player/ProxyPlayerInjectionHandler.java
@@ -29,7 +29,9 @@ import java.util.concurrent.TimeUnit;
 import org.bukkit.Server;
 import org.bukkit.entity.Player;
 
+import com.comphenix.protocol.Packets;
 import com.comphenix.protocol.concurrency.BlockingHashMap;
+import com.comphenix.protocol.concurrency.IntegerSet;
 import com.comphenix.protocol.error.ErrorReporter;
 import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketContainer;
@@ -52,12 +54,7 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
 	 * The maximum number of milliseconds to wait until a player can be looked up by connection.
 	 */
 	private static final long TIMEOUT_PLAYER_LOOKUP = 2000; // ms
-	
-	/**
-	 * The highest possible packet ID. It's unlikely that this value will ever change.
-	 */
-	private static final int MAXIMUM_PACKET_ID = 255;
-	
+		
 	// Server connection injection
 	private InjectedServerConnection serverInjection;
 	
@@ -88,7 +85,7 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
 	private ListenerInvoker invoker;
 	
 	// Enabled packet filters
-	private IntegerSet sendingFilters = new IntegerSet(MAXIMUM_PACKET_ID + 1);
+	private IntegerSet sendingFilters = new IntegerSet(Packets.MAXIMUM_PACKET_ID + 1);
 	
 	// List of packet listeners
 	private Set<PacketListener> packetListeners;
@@ -262,7 +259,6 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
 	 * @param phase - current game phase.
 	 * @return TRUE if we should perform the injection, FALSE otherwise.
 	 */
-	@Override
 	public boolean isInjectionNecessary(GamePhase phase) {
 		return injectionFilter.apply(phase);
 	}
@@ -417,7 +413,6 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
 	 * @param removeAuxiliary - TRUE to remove auxiliary information, such as input stream and address.
 	 * @return TRUE if a player has been uninjected, FALSE otherwise.
 	 */
-	@Override
 	public boolean uninjectPlayer(Player player, boolean removeAuxiliary) {
 		return uninjectPlayer(player, removeAuxiliary, false);
 	}