diff --git a/rtengine/dcraw.cc b/rtengine/dcraw.cc
index 537bf1334..0858bdaaa 100644
--- a/rtengine/dcraw.cc
+++ b/rtengine/dcraw.cc
@@ -1,6 +1,7 @@
 #ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wsign-compare"
+#pragma GCC diagnostic ignored "-Wunused-macros"
 #if (__GNUC__ >= 6)
 #pragma GCC diagnostic ignored "-Wmisleading-indentation"
 #endif