[#1239] clean up

diff --git a/src/lib/util/tests/unlock_guard_unittests.cc b/src/lib/util/tests/unlock_guard_unittests.cc
index 8ace16bbe28f106ddc51bb6f2ae1e77faa09d74a..1c55fa4eb761774b0442f58423630bf848d37620 100644 (file)
--- a/src/lib/util/tests/unlock_guard_unittests.cc
+++ b/src/lib/util/tests/unlock_guard_unittests.cc
@@ -11,10 +11,7 @@
 #include <util/unlock_guard.h>
 #include <exceptions/exceptions.h>
 
-#include <condition_variable>
-#include <list>
 #include <mutex>
-#include <set>
 #include <thread>
 
 using namespace isc::util;