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Diffstat (limited to 'boost/chrono/io/time_point_units.hpp')
-rw-r--r--boost/chrono/io/time_point_units.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/chrono/io/time_point_units.hpp b/boost/chrono/io/time_point_units.hpp
index 7aef8526da..6a4999a5e5 100644
--- a/boost/chrono/io/time_point_units.hpp
+++ b/boost/chrono/io/time_point_units.hpp
@@ -15,7 +15,7 @@
#include <boost/chrono/thread_clock.hpp>
#include <boost/chrono/io/ios_base_state.hpp>
#include <string>
-#include <iostream>
+#include <iosfwd>
#include <ios>
#include <locale>
#include <algorithm>