Index: src/experimental/filesystem/operations.cpp
===================================================================
--- src/experimental/filesystem/operations.cpp
+++ src/experimental/filesystem/operations.cpp
@@ -512,6 +512,7 @@
 
 #if defined(__APPLE__)
 TimeSpec extract_mtime(StatT const& st) { return st.st_mtimespec; }
+__attribute__((unused)) // Suppress warning
 TimeSpec extract_atime(StatT const& st) { return st.st_atimespec; }
 #else
 TimeSpec extract_mtime(StatT const& st) { return st.st_mtim; }