diff --git a/CMakeLists.txt b/CMakeLists.txt
index 127e3a4a5f..2b3dc15f8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -273,8 +273,6 @@ endif()
 # Configure C++ standard
 # ===========================
 
-# boost asio's concept usage doesn't play nicely with some compilers yet.
-add_definitions(-DBOOST_ASIO_DISABLE_CONCEPTS)
 if (MSVC)
     add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/std:c++20>)