diff --git a/src/main/java/org/ultramine/server/util/TwoStepsExecutor.java b/src/main/java/org/ultramine/server/util/TwoStepsExecutor.java
index 08e1d35..7832ee1 100644
--- a/src/main/java/org/ultramine/server/util/TwoStepsExecutor.java
+++ b/src/main/java/org/ultramine/server/util/TwoStepsExecutor.java
@@ -32,6 +32,11 @@
 		FMLCommonHandler.instance().bus().register(this);
 	}
 	
+	public void unregister()
+	{
+		FMLCommonHandler.instance().bus().unregister(this);
+	}
+	
 	public <P, R> void execute(final Function<P, R> async, final Function<R, Void> sync)
 	{
 		execute(null, async, sync);
@@ -60,14 +65,6 @@
 		}
 	}
 	
-	protected void finalize()
-	{
-		try
-		{
-			FMLCommonHandler.instance().bus().unregister(this);
-		} catch(Throwable ignored){}
-	}
-	
 	private static class CallbackDataStruct<T>
 	{
 		private Function<T, Void> callback;