diff --git a/meson.build b/meson.build
index 70d2068..b10bc2a 100644
--- a/meson.build
+++ b/meson.build
@@ -173,7 +173,6 @@
 add_project_arguments(
     cxx.get_supported_arguments(
         [
-            '-DBOOST_ASIO_DISABLE_CONCEPTS',
             '-DBOOST_ALL_NO_LIB',
             '-DBOOST_ALLOW_DEPRECATED_HEADERS',
             '-DBOOST_ASIO_DISABLE_THREADS',