Index: src/libcfa/concurrency/monitor
===================================================================
--- src/libcfa/concurrency/monitor	(revision 17af7d185d75583696ef5e090868e66c99131d40)
+++ src/libcfa/concurrency/monitor	(revision 87d13cd6f0b6eede5621fb0f5bd5b06911c656fe)
@@ -21,11 +21,4 @@
 #include "invoke.h"
 #include "stdlib"
-
-struct monitor_desc {
-	spinlock lock;
-	thread_desc * owner;
-	simple_thread_list entry_queue;
-	unsigned int recursion;
-};
 
 static inline void ?{}(monitor_desc * this) {