diff -r 64b7076c635c -r 9d093f14e240 src/luan/modules/ThreadLuan.java
--- a/src/luan/modules/ThreadLuan.java	Sat Feb 22 20:26:31 2025 -0700
+++ b/src/luan/modules/ThreadLuan.java	Sat Feb 22 23:38:40 2025 -0700
@@ -162,12 +162,21 @@
 		}
 	}
 
-	public static synchronized Callable globalCallable(String name,LuanFunction initFn,long timeout) throws LuanException {
+	public static synchronized Callable globalCallable(Luan luan,final String name,LuanFunction initFn,long timeout) throws LuanException {
 		Callable callable = callableMap.get(name);
 		if( callable == null ) {
 			sweep();
 			callable = new Callable(initFn);
 			callableMap.put(name,callable);
+			Closeables cs = (Closeables)luan.registry().get(CLOSEABLES);
+			if( cs != null ) {
+				Closeable cl = new Closeable() {
+					public void close() {
+						removeGlobalCallable(name);
+					}
+				};
+				cs.addCloseable(cl);
+			}
 		}
 		callable.expires = System.currentTimeMillis() + timeout;
 		return callable;