diff --git a/src/hb.hh b/src/hb.hh
index bee39cd46..f8b5e70a8 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -98,6 +98,7 @@
 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
 #pragma GCC diagnostic warning "-Wbuiltin-macro-redefined"
 #pragma GCC diagnostic warning "-Wdeprecated"
+#pragma GCC diagnostic warning "-Wdeprecated-declarations"
 #pragma GCC diagnostic warning "-Wdisabled-optimization"
 #pragma GCC diagnostic warning "-Wdouble-promotion"
 #pragma GCC diagnostic warning "-Wformat=2"