diff --git a/src/headers/tomcrypt_pk.h b/src/headers/tomcrypt_pk.h
index 58bbefd..9674ef0 100644
--- a/src/headers/tomcrypt_pk.h
+++ b/src/headers/tomcrypt_pk.h
@@ -47,9 +47,8 @@ typedef struct {
   int radix;
 } ltc_pk_part;
 
-#define PK_PART_HEX(s)     &((ltc_pk_part){s, 0, 16})
-#define PK_PART_DEC(d)     &((ltc_pk_part){d, 0, 10})
-#define PK_PART_BIN(b, l)  &((ltc_pk_part){b, l, 256})
+#define PK_PART_HEX(s) &((ltc_pk_part){s, 0, 16})
+#define PK_PART_DEC(s) &((ltc_pk_part){s, 0, 10})
 
 /* ---- RSA ---- */
 #ifdef LTC_MRSA
diff --git a/tests/rsa_test.c b/tests/rsa_test.c
index 25828d4..41a88df 100644
--- a/tests/rsa_test.c
+++ b/tests/rsa_test.c
@@ -181,7 +181,6 @@ static int rsa_compat_test(void)
 {
    rsa_key key, pubkey;
    int stat;
-   void* mpi;
    unsigned char buf[1024];
    unsigned long len;
 
@@ -281,20 +280,6 @@ static int rsa_compat_test(void)
    }
    rsa_free(&key);
 
-   /* try import public key from mixed numbers */
-   DO(mp_init(&mpi));
-   DO(mp_read_radix(mpi, dec_N, 10));
-   DO(mp_to_unsigned_bin(mpi, buf));
-   len = mp_unsigned_bin_size(mpi);
-   DO(rsa_import_radix(PK_PART_BIN(buf, len), PK_PART_DEC(dec_e), NULL, NULL, NULL, NULL, NULL, NULL, &key));
-   mp_clear(mpi);
-   len = sizeof(buf);
-   DO(rsa_export(buf, &len, PK_PUBLIC, &key));
-   if (compare_testvector(buf, len, openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), "RSA public export (from mixed)", 0)) {
-      return 1;
-   }
-   rsa_free(&key);
-
    /* try export in SubjectPublicKeyInfo format of the public key */
    DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
    len = sizeof(buf);