diff --git a/src/include/units/bits/external/hacks.h b/src/include/units/bits/external/hacks.h
index 3539ae33..e070089c 100644
--- a/src/include/units/bits/external/hacks.h
+++ b/src/include/units/bits/external/hacks.h
@@ -38,7 +38,7 @@
 #define Expects(cond) assert(cond);
 #endif
 
-#if COMP_GCC >= 10 || COMP_CLANG >= 11
+#if COMP_GCC >= 10
 
 #include <concepts>