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-rw-r--r--boost/spirit/home/x3/support/traits/attribute_category.hpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/boost/spirit/home/x3/support/traits/attribute_category.hpp b/boost/spirit/home/x3/support/traits/attribute_category.hpp
index a003327de2..53e806c613 100644
--- a/boost/spirit/home/x3/support/traits/attribute_category.hpp
+++ b/boost/spirit/home/x3/support/traits/attribute_category.hpp
@@ -8,10 +8,6 @@
#if !defined(BOOST_SPIRIT_X3_ATTRIBUTE_CATEGORY_JAN_4_2012_1150AM)
#define BOOST_SPIRIT_X3_ATTRIBUTE_CATEGORY_JAN_4_2012_1150AM
-#if defined(_MSC_VER)
-#pragma once
-#endif
-
#include <boost/mpl/identity.hpp>
#include <boost/mpl/logical.hpp>
#include <boost/mpl/eval_if.hpp>