--- a/net/minecraft/server/DataWatcher.java
+++ b/net/minecraft/server/DataWatcher.java
@@ -54,7 +54,7 @@
         }
     }
 
-    public <T> void register(DataWatcherObject<T> datawatcherobject, T t0) {
+    public <T> void register(DataWatcherObject<T> datawatcherobject, Object t0) { // CraftBukkit T -> Object
         int i = datawatcherobject.a();
 
         if (i > 254) {
@@ -68,7 +68,7 @@
         }
     }
 
-    private <T> void registerObject(DataWatcherObject<T> datawatcherobject, T t0) {
+    private <T> void registerObject(DataWatcherObject<T> datawatcherobject, Object t0) { // CraftBukkit Object
         DataWatcher.Item datawatcher_item = new DataWatcher.Item(datawatcherobject, t0);
 
         this.d.writeLock().lock();