--- harfbuzz-10.0.1/src/hb-icu.cc	2024-09-24 18:52:43.000000000 +0200
+++ harfbuzz-10.0.1.new/src/hb-icu.cc	2024-10-27 17:30:36.684256766 +0100
@@ -30,6 +30,10 @@
 #include "hb.hh"
 
 #ifdef HAVE_ICU
+#pragma GCC diagnostic push
+
+// https://github.com/harfbuzz/harfbuzz/issues/4915
+#pragma GCC diagnostic ignored "-Wredundant-decls"
 
 #include "hb-icu.h"