diff --git a/common/timing.cc b/common/timing.cc
index 2f62bd2f..8b35e41c 100644
--- a/common/timing.cc
+++ b/common/timing.cc
@@ -22,7 +22,6 @@
 #include <algorithm>
 #include <boost/range/adaptor/reversed.hpp>
 #include <deque>
-#include <fstream>
 #include <map>
 #include <unordered_map>
 #include <utility>