diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index a75ab32..7776f01 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -436,6 +436,7 @@
                 RSA_PRIVATE, olen, input, output, osize ) );
 }
 
+#if defined(POLARSSL_RSA_C)
 static int rsa_alt_check_pair( const void *pub, const void *prv )
 {
     unsigned char sig[POLARSSL_MPI_MAX_SIZE];
@@ -463,6 +464,7 @@
 
     return( 0 );
 }
+#endif /* POLARSSL_RSA_C */
 
 static void *rsa_alt_alloc_wrap( void )
 {
@@ -489,7 +491,11 @@
     rsa_alt_sign_wrap,
     rsa_alt_decrypt_wrap,
     NULL,
+#if defined(POLARSSL_RSA_C)
     rsa_alt_check_pair,
+#else
+    NULL,
+#endif
     rsa_alt_alloc_wrap,
     rsa_alt_free_wrap,
     NULL,
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index c88d365..fb86c99 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -1,6 +1,10 @@
 /* BEGIN_HEADER */
 #include <polarssl/pk.h>
 
+/* For error codes */
+#include <polarssl/ecp.h>
+#include <polarssl/rsa.h>
+
 static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len );
 
 #define RSA_KEY_SIZE 512
@@ -80,7 +84,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:POLARSSL_PK_PARSE_C */
+/* BEGIN_CASE depends_on:POLARSSL_PK_PARSE_C:POLARSSL_FS_IO */
 void pk_check_pair( char *pub_file, char *prv_file, int ret )
 {
     pk_context pub, prv, alt;
@@ -94,12 +98,14 @@
 
     TEST_ASSERT( pk_check_pair( &pub, &prv ) == ret );
 
+#if defined(POLARSSL_RSA_C)
     if( pk_get_type( &prv ) == POLARSSL_PK_RSA )
     {
         TEST_ASSERT( pk_init_ctx_rsa_alt( &alt, pk_rsa( prv ),
                      rsa_decrypt_func, rsa_sign_func, rsa_key_len_func ) == 0 );
         TEST_ASSERT( pk_check_pair( &pub, &alt ) == ret );
     }
+#endif
 
     pk_free( &pub );
     pk_free( &prv );