Index: libcfa/src/concurrency/io/setup.cfa
===================================================================
--- libcfa/src/concurrency/io/setup.cfa	(revision 58d64a4bada7a16e278bcedc78907e029a2b9ddf)
+++ libcfa/src/concurrency/io/setup.cfa	(revision 91131689e00a1cf7d78ea847964564347587d525)
@@ -247,5 +247,4 @@
 					thrd.link.next = 0p;
 					thrd.link.prev = 0p;
-					__cfaabi_dbg_debug_do( thrd.unpark_stale = true );
 
 					// Fixup the thread state