diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index 5741d46..d385459 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -52,18 +52,15 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||   \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_GENPRIME) ||      \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_RSA_C and/or POLARSSL_GENPRIME and/or "
            "POLARSSL_FS_IO and/or POLARSSL_CTR_DRBG_C not defined.\n");
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret;
     rsa_context rsa;
@@ -73,9 +70,6 @@
     FILE *fpriv = NULL;
     const char *pers = "rsa_genkey";
 
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );