diff --git a/include/polarssl/x509.h b/include/polarssl/x509.h
index 3c66e60..3b5395a 100644
--- a/include/polarssl/x509.h
+++ b/include/polarssl/x509.h
@@ -29,7 +29,6 @@
 
 #include "config.h"
 
-#if defined(POLARSSL_X509_PARSE_C) || defined(POLARSSL_X509_WRITE_C)
 #include "asn1.h"
 #include "dhm.h"
 #include "md.h"
@@ -709,5 +708,4 @@
 }
 #endif
 
-#endif /* POLARSSL_X509_PARSE_C || POLARSSL_X509_WRITE_C */
 #endif /* x509.h */
diff --git a/library/oid.c b/library/oid.c
index 81b313e..0386ba1 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -32,6 +32,10 @@
 #include "polarssl/oid.h"
 #include "polarssl/rsa.h"
 
+#if defined(POLARSSL_X509_PARSE_C) || defined(POLARSSL_X509_WRITE_C)
+#include "polarssl/x509.h"
+#endif
+
 #include <stdio.h>
 
 /*
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 8edc57f..0ffe886 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -105,7 +105,6 @@
 static int ssl_load_session( ssl_session *session,
                              const unsigned char *buf, size_t len )
 {
-    int ret;
     const unsigned char *p = buf;
     const unsigned char * const end = buf + len;
 #if defined(POLARSSL_X509_PARSE_C)
@@ -131,6 +130,8 @@
     }
     else
     {
+        int ret;
+
         if( p + cert_len > end )
             return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
 
@@ -1834,14 +1835,19 @@
 {
     int ret;
     size_t n = 0, len;
-    unsigned char hash[64];
-    md_type_t md_alg = POLARSSL_MD_NONE;
-    unsigned int hashlen = 0;
     unsigned char *p = ssl->out_msg + 4;
+    const ssl_ciphersuite_t *ciphersuite_info;
+
+#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
+    defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED) ||                       \
+    defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
     unsigned char *dig_signed = p;
     size_t dig_signed_len = 0;
+    ((void) dig_signed);
+    ((void) dig_signed_len);
+#endif
 
-    const ssl_ciphersuite_t *ciphersuite_info;
     ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
 
     SSL_DEBUG_MSG( 2, ( "=> write server key exchange" ) );
@@ -1959,6 +1965,9 @@
         ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA )
     {
         size_t signature_len = 0;
+        unsigned int hashlen = 0;
+        unsigned char hash[64];
+        md_type_t md_alg = POLARSSL_MD_NONE;
 
         /*
          * Choose hash algorithm. NONE means MD5 + SHA1 here.
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 208e69b..24cee1c 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -72,14 +72,14 @@
 
 static int ssl_session_copy( ssl_session *dst, const ssl_session *src )
 {
-    int ret;
-
     ssl_session_free( dst );
     memcpy( dst, src, sizeof( ssl_session ) );
 
 #if defined(POLARSSL_X509_PARSE_C)
     if( src->peer_cert != NULL )
     {
+        int ret;
+
         if( ( dst->peer_cert = polarssl_malloc( sizeof(x509_cert) ) ) == NULL )
             return( POLARSSL_ERR_SSL_MALLOC_FAILED );
 
diff --git a/tests/suites/test_suite_debug.function b/tests/suites/test_suite_debug.function
index 6448f26..dba9c5e 100644
--- a/tests/suites/test_suite_debug.function
+++ b/tests/suites/test_suite_debug.function
@@ -22,7 +22,7 @@
  * END_DEPENDENCIES
  */
 
-/* BEGIN_CASE depends_on:POLARSSL_FS_IO */
+/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_PARSE_C */
 void debug_print_crt( char *crt_file, char *file, int line, char *prefix,
                       char *result_str )
 {