diff --git a/test/array.cpp b/test/array.cpp
index 4c1ad5f..d2f00b0 100755
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -20,6 +20,7 @@
 #include <boost/static_assert.hpp>
 #include <boost/type_traits.hpp>
 #include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
 #include <iostream>
 
 using namespace boost;
@@ -63,7 +64,6 @@ void check_array()
 
 }
 
-#include <boost/test/unit_test.hpp>
 using boost::unit_test::test_suite;
 
 test_suite* init_unit_test_suite( int argc, char* argv[] )
diff --git a/test/const_ranges.cpp b/test/const_ranges.cpp
index 3e91b67..6360317 100755
--- a/test/const_ranges.cpp
+++ b/test/const_ranges.cpp
@@ -18,6 +18,7 @@
 
 #include <boost/range.hpp>
 #include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
 #include <string>
 
 using namespace boost;
@@ -48,7 +49,6 @@ void check_const_ranges()
 
 
 
-#include <boost/test/unit_test.hpp>
 using boost::unit_test::test_suite;
 
 test_suite* init_unit_test_suite( int argc, char* argv[] )
diff --git a/test/iterator_range.cpp b/test/iterator_range.cpp
index ab40d7c..fbf168c 100755
--- a/test/iterator_range.cpp
+++ b/test/iterator_range.cpp
@@ -20,6 +20,7 @@
 #include <boost/range/iterator_range.hpp>
 #include <boost/range/functions.hpp>
 #include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
 #include <iostream>
 #include <string>
 
@@ -93,7 +94,6 @@ void check_iterator_range()
 }
 
 
-#include <boost/test/unit_test.hpp>
 using boost::unit_test::test_suite;
 
 test_suite* init_unit_test_suite( int argc, char* argv[] )