diff --git a/src/main/java/com/falsepattern/chunk/api/ChunkDataManager.java b/src/main/java/com/falsepattern/chunk/api/ChunkDataManager.java
index fce6f7c..1fc3681 100644
--- a/src/main/java/com/falsepattern/chunk/api/ChunkDataManager.java
+++ b/src/main/java/com/falsepattern/chunk/api/ChunkDataManager.java
@@ -25,20 +25,6 @@ public interface ChunkDataManager<T> {
      */
     String id();
 
-    /**
-     * Used for sorting the managers. Managers with a lower order index are processed first.
-     * If unsure, return 0, and let the implementation decide.
-     */
-    default int orderIndex() {
-        return 0;
-    }
-
-    /**
-     * Initializes your data in a chunk. This is called at the end of the chunk constructor. One less mixin per manager!
-     * @param chunk The chunk to initialize.
-     */
-    void init(T chunk);
-
     /**
      * @implNote This is used to determine the size of the packet compression/decompression buffer.
      * @return The maximum amount of bytes your data can take up in a packet.
diff --git a/src/main/java/com/falsepattern/chunk/api/ChunkDataRegistry.java b/src/main/java/com/falsepattern/chunk/api/ChunkDataRegistry.java
index af7d1d2..987c317 100644
--- a/src/main/java/com/falsepattern/chunk/api/ChunkDataRegistry.java
+++ b/src/main/java/com/falsepattern/chunk/api/ChunkDataRegistry.java
@@ -1,7 +1,6 @@
 package com.falsepattern.chunk.api;
 
 import com.falsepattern.chunk.internal.ChunkDataRegistryImpl;
-import com.falsepattern.chunk.api.exception.ManagerRegistrationException;
 
 /**
  * This class is used to register ChunkDataManagers.
@@ -11,17 +10,19 @@ public class ChunkDataRegistry {
     /**
      * Registers a ChunkDataManager. Only do this during the preInit phase.
      * @param manager The manager to register.
-     * @throws ManagerRegistrationException If the manager is already registered.
+     * @throws IllegalStateException If the registration stage is over.
+     * @throws IllegalArgumentException If the manager has a duplicate id.
      */
-    public static void registerDataManager(ChunkDataManager<?> manager) throws ManagerRegistrationException {
+    public static void registerDataManager(ChunkDataManager<?> manager) throws IllegalStateException, IllegalArgumentException {
         ChunkDataRegistryImpl.registerDataManager(manager);
     }
 
     /**
      * Disables a ChunkDataManager. Only do this during the preInit phase.
      * @param id The id of the manager to disable.
+     * @throws IllegalStateException If the disable stage is over.
      */
-    public static void disableDataManager(String domain, String id) {
+    public static void disableDataManager(String domain, String id) throws IllegalStateException {
         ChunkDataRegistryImpl.disableDataManager(domain, id);
     }
 }
diff --git a/src/main/java/com/falsepattern/chunk/api/exception/ManagerRegistrationException.java b/src/main/java/com/falsepattern/chunk/api/exception/ManagerRegistrationException.java
deleted file mode 100644
index a493fef..0000000
--- a/src/main/java/com/falsepattern/chunk/api/exception/ManagerRegistrationException.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.falsepattern.chunk.api.exception;
-
-import com.falsepattern.chunk.api.ChunkDataManager;
-
-/**
- * This exception is thrown when a {@link ChunkDataManager} could not be registered.
- * <p>
- * Possible reasons include:
- * <ul>
- *     <li>The manager is already registered</li>
- *     <li>The manager's name collides with a different manager</li>
- *     <li>The manager was registered too late (should be done in init)</li>
- * </ul>
- */
-public class ManagerRegistrationException extends RuntimeException {
-    public ManagerRegistrationException() {
-        super();
-    }
-
-    public ManagerRegistrationException(String message) {
-        super(message);
-    }
-
-    public ManagerRegistrationException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-    public ManagerRegistrationException(Throwable cause) {
-        super(cause);
-    }
-
-    protected ManagerRegistrationException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
-        super(message, cause, enableSuppression, writableStackTrace);
-    }
-}
diff --git a/src/main/java/com/falsepattern/chunk/internal/ChunkDataRegistryImpl.java b/src/main/java/com/falsepattern/chunk/internal/ChunkDataRegistryImpl.java
index a923370..5840269 100644
--- a/src/main/java/com/falsepattern/chunk/internal/ChunkDataRegistryImpl.java
+++ b/src/main/java/com/falsepattern/chunk/internal/ChunkDataRegistryImpl.java
@@ -1,7 +1,6 @@
 package com.falsepattern.chunk.internal;
 
 import com.falsepattern.chunk.api.ChunkDataManager;
-import com.falsepattern.chunk.api.exception.ManagerRegistrationException;
 import lombok.val;
 import lombok.var;
 
@@ -20,14 +19,14 @@ public class ChunkDataRegistryImpl {
     private static final Map<String, ChunkDataManager> managers = new HashMap<>();
     private static final Set<String> disabledManagers = new HashSet<>();
     private static int maxPacketSize = 0;
-    public static void registerDataManager(ChunkDataManager<?> manager) throws ManagerRegistrationException {
+    public static void registerDataManager(ChunkDataManager<?> manager) throws IllegalStateException, IllegalArgumentException {
         if (!ChunkAPI.isRegistrationStage()) {
-            throw new ManagerRegistrationException("ChunkDataManager registration is not allowed at this time! " +
+            throw new IllegalStateException("ChunkDataManager registration is not allowed at this time! " +
                                                    "Please register your ChunkDataManager in the preInit phase of your mod.");
         }
         var id = manager.domain() + ":" + manager.id();
         if (managers.containsKey(id)) {
-            throw new ManagerRegistrationException("ChunkDataManager " + manager + " has a duplicate id!");
+            throw new IllegalArgumentException("ChunkDataManager " + manager + " has a duplicate id!");
         }
 
         // If the manager was disabled, do not add it to the list of managers.
@@ -42,11 +41,10 @@ public class ChunkDataRegistryImpl {
 
     public static void disableDataManager(String domain, String id) {
         if (!ChunkAPI.isDisableStage()) {
-            throw new ManagerRegistrationException("ChunkDataManager disabling is not allowed at this time! " +
-                                                   "Please disable any ChunkDataManagers in the preInit/init phases.");
+            throw new IllegalStateException("ChunkDataManager disabling is not allowed at this time! " +
+                                            "Please disable any ChunkDataManagers in the preInit/init phases.");
         }
-        val fusedId = domain + ":" + id;
-        id = id.intern();
+        id = domain + ":" + id;
         Common.LOG.warn("Disabling ChunkDataManager " + id + ". See the stacktrace for the source of this event.", new Throwable());
         //Remove the manager from the list of managers, if it exists
         val removed = managers.remove(id);