diff --git a/tools/load_tester.cpp b/tools/load_tester.cpp
index 27063f9..3e259d0 100644
--- a/tools/load_tester.cpp
+++ b/tools/load_tester.cpp
@@ -1,6 +1,7 @@
 #include <atomic>
 #include <cassert>
 #include <cerrno>
+#include <csignal>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
@@ -11,13 +12,11 @@
 #include <netdb.h>
 #include <netinet/tcp.h>
 #include <semaphore.h>
-#include <signal.h>
 #include <sys/epoll.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/un.h>
 #include <thread>
-#include <time.h>
 #include <unistd.h>
 #include <vector>