diff --git a/csrc/base.h b/csrc/base.h
index 88052e9e259..64dfd1551d9 100644
--- a/csrc/base.h
+++ b/csrc/base.h
@@ -7,7 +7,6 @@
 // clang-format on
 #pragma once
 
-#include <concepts>
 #include <coroutine>
 #include <deque>
 #include <iterator>