Index: uspace/srv/fs/udf/udf_ops.c
===================================================================
--- uspace/srv/fs/udf/udf_ops.c	(revision d4f9a2a29b4c24384bd6328ebb3ead72a8a2d12b)
+++ uspace/srv/fs/udf/udf_ops.c	(revision 8fdab9e68c7a3f5313aa3c59804d1ce45a0aa389)
@@ -62,7 +62,4 @@
 #include "udf_osta.h"
 
-/** Mutex protecting the list of cached free nodes. */
-static FIBRIL_MUTEX_INITIALIZE(ffn_mutex);
-
 /** List of cached free nodes. */
 static LIST_INITIALIZE(ffn_list);