--- ../src-base/minecraft/net/minecraft/tileentity/TileEntityDropper.java
+++ ../src-work/minecraft/net/minecraft/tileentity/TileEntityDropper.java
@@ -8,4 +8,12 @@
     {
         return this.hasCustomInventoryName() ? this.field_146020_a : "container.dropper";
     }
+
+    // Cauldron start
+    @Override
+    public boolean canUpdate()
+    {
+        return false;
+    }
+    // Cauldron end
 }