Index: libcfa/src/concurrency/locks.hfa
===================================================================
--- libcfa/src/concurrency/locks.hfa	(revision 84334d08ce78b3d819996c317553544f9b5315a4)
+++ libcfa/src/concurrency/locks.hfa	(revision 1db6d707c9c3bb51aa52503723989ef9490a8c10)
@@ -32,6 +32,4 @@
 #include "select.hfa"
 
-#include <fstream.hfa>
-
 // futex headers
 #include <linux/futex.h>      /* Definition of FUTEX_* constants */
Index: tests/concurrency/waituntil/locks.cfa
===================================================================
--- tests/concurrency/waituntil/locks.cfa	(revision 84334d08ce78b3d819996c317553544f9b5315a4)
+++ tests/concurrency/waituntil/locks.cfa	(revision 1db6d707c9c3bb51aa52503723989ef9490a8c10)
@@ -2,4 +2,5 @@
 #include <thread.hfa>
 #include <locks.hfa>
+#include <fstream.hfa>
 #include <mutex_stmt.hfa>