diff --git a/test/v2/environment.cpp b/test/v2/environment.cpp
index 71dc5f3d..8cde59bf 100644
--- a/test/v2/environment.cpp
+++ b/test/v2/environment.cpp
@@ -159,7 +159,6 @@ BOOST_AUTO_TEST_CASE(wenvironment)
 
 #if defined(BOOST_PROCESS_V2_WINDOWS)
     BOOST_CHECK_EQUAL(bpe::key(L"FOO"), bpe::key_view(L"Foo"));
-    BOOST_CHECK(bpe::key(L"FOO") == std::wstring(L"Foo"));
     BOOST_CHECK_EQUAL(bpe::key_value_pair(L"Foo=BAR"), bpe::key_value_pair_view(L"FOO=BAR"));
     BOOST_CHECK_EQUAL(bpe::key_value_pair(L"Foo=BAR"), bpe::key_value_pair(L"FOO=BAR"));
     BOOST_CHECK_EQUAL(bpe::key_value_pair_view(L"Foo=BAR"), bpe::key_value_pair_view(L"FOO=BAR"));