diff --git a/src/backend/threads.c b/src/backend/threads.c
index 3a20901d8..7b03f57fe 100644
--- a/src/backend/threads.c
+++ b/src/backend/threads.c
@@ -74,11 +74,9 @@ LumieraThread
 lumiera_thread_run (enum lumiera_thread_class kind,
                     void (*function)(void *),
                     void * arg,
-                    LumieraReccondition finished,
                     const char* purpose,
                     struct nobug_flag* flag)
 {
-  (void)finished;
   (void)function;
   (void)arg;
   // ask the threadpool for a thread (it might create a new one)
@@ -101,7 +99,6 @@ lumiera_thread_run (enum lumiera_thread_class kind,
  */
 LumieraThread
 lumiera_thread_new (enum lumiera_thread_class kind,
-                    LumieraReccondition finished,
                     const char* purpose,
                     struct nobug_flag* flag,
                     pthread_attr_t* attrs)
@@ -112,12 +109,9 @@ lumiera_thread_new (enum lumiera_thread_class kind,
   REQUIRE (kind < LUMIERA_THREADCLASS_COUNT, "invalid thread kind specified: %d", kind);
   REQUIRE (attrs, "invalid pthread attributes structure passed");
 
-  //REQUIRE (finished, "invalid finished flag passed");
-
-
   LumieraThread self = lumiera_malloc (sizeof (*self));
   llist_init (&self->node);
-  self->finished = finished;
+  lumiera_reccondition_init (&self->finished, "thread-control-condition", flag);
   self->kind = kind;
   self->state = LUMIERA_THREADSTATE_IDLE;
 
@@ -140,7 +134,6 @@ lumiera_thread_destroy (LumieraThread self)
 
   // TODO: stop the pthread
   llist_unlink (&self->node);
-  //finished = NULL; // or free(finished)?
   lumiera_reccondition_destroy (self->finished, &NOBUG_FLAG (threads));
   //kind = 0;
   //state = 0;
diff --git a/src/backend/threads.h b/src/backend/threads.h
index 303b9acf2..d91ae7bee 100644
--- a/src/backend/threads.h
+++ b/src/backend/threads.h
@@ -137,7 +137,6 @@ struct lumiera_thread_struct
  */
 LumieraThread
 lumiera_thread_new (enum lumiera_thread_class kind,
-                    LumieraReccondition finished,
                     const char* purpose,
                     struct nobug_flag* flag,
                     pthread_attr_t* attrs);
@@ -169,8 +168,6 @@ lumiera_thread_delete (LumieraThread self);
  * @param kind class of the thread to start
  * @param function pointer to a function to execute in a thread (returning void, not void* as in pthreads)
  * @param arg generic pointer passed to the thread
- * @param finished a condition variable to be broadcasted, if not NULL.
- *        The associated mutex should be locked at thread_run time already, else the signal can get lost.
  * @param purpose descriptive name of this thread, used by NoBug
  * @param flag NoBug flag used for logging the thread startup and return
  */
@@ -178,7 +175,6 @@ LumieraThread
 lumiera_thread_run (enum lumiera_thread_class kind,
                     void (*function)(void *),
                     void * arg,
-                    LumieraReccondition finished,
                     const char* purpose,
                     struct nobug_flag* flag);