Index: libcfa/src/concurrency/thread.hfa
===================================================================
--- libcfa/src/concurrency/thread.hfa	(revision 77a2994748d80edfcc0f8a07e392a23de1eca6a5)
+++ libcfa/src/concurrency/thread.hfa	(revision e23542987c42024e758269c7930ff52bdaf97f78)
@@ -88,13 +88,13 @@
 //----------
 // Park thread: block until corresponding call to unpark, won't block if unpark is already called
-void park( __cfaabi_dbg_ctx_param );
+void park( void );
 
 //----------
 // Unpark a thread, if the thread is already blocked, schedule it
 //                  if the thread is not yet block, signal that it should rerun immediately
-void unpark( $thread * this __cfaabi_dbg_ctx_param2 );
+void unpark( $thread * this );
 
 forall( dtype T | is_thread(T) )
-static inline void unpark( T & this __cfaabi_dbg_ctx_param2 ) { if(!&this) return; unpark( get_thread( this ) __cfaabi_dbg_ctx_fwd2 );}
+static inline void unpark( T & this ) { if(!&this) return; unpark( get_thread( this ) );}
 
 //----------