diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 2180f5c..3182727 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -43,15 +43,18 @@
                        const unsigned char *input, unsigned char *output,
                        size_t output_max_len )
 {
-    return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx, NULL, NULL, mode, olen,
-                               input, output, output_max_len ) );
+    return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx,
+                                       rnd_std_rand, NULL, mode, olen,
+                                       input, output, output_max_len ) );
 }
 int mbedtls_rsa_sign_func( void *ctx,
                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
                    int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
                    const unsigned char *hash, unsigned char *sig )
 {
-    return( mbedtls_rsa_pkcs1_sign( (mbedtls_rsa_context *) ctx, f_rng, p_rng, mode,
+    ((void) f_rng);
+    ((void) p_rng);
+    return( mbedtls_rsa_pkcs1_sign( (mbedtls_rsa_context *) ctx, rnd_std_rand, NULL, mode,
                             md_alg, hashlen, hash, sig ) );
 }
 size_t mbedtls_rsa_key_len_func( void *ctx )
@@ -105,7 +108,8 @@
     if( mbedtls_pk_get_type( &prv ) == MBEDTLS_PK_RSA )
     {
         TEST_ASSERT( mbedtls_pk_setup_rsa_alt( &alt, mbedtls_pk_rsa( prv ),
-                     mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func, mbedtls_rsa_key_len_func ) == 0 );
+                     mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func,
+                     mbedtls_rsa_key_len_func ) == 0 );
         TEST_ASSERT( mbedtls_pk_check_pair( &pub, &alt ) == ret );
     }
 #endif