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-rw-r--r--libbutl/utility.ixx2
1 files changed, 0 insertions, 2 deletions
diff --git a/libbutl/utility.ixx b/libbutl/utility.ixx
index 6501bf7..4180ad7 100644
--- a/libbutl/utility.ixx
+++ b/libbutl/utility.ixx
@@ -1,12 +1,10 @@
// file : libbutl/utility.ixx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
-#ifndef __cpp_lib_modules_ts
#include <cctype> // toupper(), tolower(), is*()
#include <cwctype> // isw*()
#include <algorithm> // for_each()
#include <stdexcept> // invalid_argument
-#endif
namespace butl
{