diff --git a/testsuite/rsa-keygen-test.c b/testsuite/rsa-keygen-test.c
index 51df44b297d9f75ee9741524b54f34f501a6c50a..15308badd4aaeff3270eef8ee34d4f5c58040319 100644
--- a/testsuite/rsa-keygen-test.c
+++ b/testsuite/rsa-keygen-test.c
@@ -2,12 +2,6 @@
 
 #include "knuth-lfib.h"
 
-#if __GNUC__
-# define UNUSED __attribute__ ((__unused__))
-#else
-# define UNUSED
-#endif
-
 static void
 progress(void *ctx UNUSED, int c)
 {