--- ../src-base/minecraft/net/minecraft/world/storage/ThreadedFileIOBase.java
+++ ../src-work/minecraft/net/minecraft/world/storage/ThreadedFileIOBase.java
@@ -38,7 +38,7 @@
                 this.threadedIOQueue.remove(i--);
                 ++this.savedIOCounter;
             }
-
+            /* // Spigot start - don't sleep in between chunks so we unload faster.
             try
             {
                 Thread.sleep(this.isThreadWaiting ? 0L : 10L);
@@ -46,7 +46,7 @@
             catch (InterruptedException interruptedexception1)
             {
                 interruptedexception1.printStackTrace();
-            }
+            } */ // Spigot end
         }
 
         if (this.threadedIOQueue.isEmpty())