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-rw-r--r--boost/spirit/home/x3/support/utility/unrefcv.hpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/boost/spirit/home/x3/support/utility/unrefcv.hpp b/boost/spirit/home/x3/support/utility/unrefcv.hpp
index fa4d448178..b12620b591 100644
--- a/boost/spirit/home/x3/support/utility/unrefcv.hpp
+++ b/boost/spirit/home/x3/support/utility/unrefcv.hpp
@@ -7,10 +7,6 @@
#ifndef BOOST_SPIRIT_X3_UNREFCV_HPP_INCLUDED
#define BOOST_SPIRIT_X3_UNREFCV_HPP_INCLUDED
-#if defined(_MSC_VER)
-#pragma once
-#endif
-
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>