memset(set, 0, sizeof(*set));
 }
 
-int sptlrpc_rule_set_choose(struct sptlrpc_rule_set *rset,
-                           enum lustre_sec_part from,
-                           enum lustre_sec_part to,
-                           lnet_nid_t nid,
-                           struct sptlrpc_flavor *sf);
-
 int  sptlrpc_process_config(struct lustre_cfg *lcfg);
 void sptlrpc_conf_log_start(const char *logname);
 void sptlrpc_conf_log_stop(const char *logname);
 
  * given from/to/nid, determine a matching flavor in ruleset.
  * return 1 if a match found, otherwise return 0.
  */
-int sptlrpc_rule_set_choose(struct sptlrpc_rule_set *rset,
-                           enum lustre_sec_part from,
-                           enum lustre_sec_part to,
-                           lnet_nid_t nid,
-                           struct sptlrpc_flavor *sf)
+static int sptlrpc_rule_set_choose(struct sptlrpc_rule_set *rset,
+                                  enum lustre_sec_part from,
+                                  enum lustre_sec_part to,
+                                  lnet_nid_t nid,
+                                  struct sptlrpc_flavor *sf)
 {
        struct sptlrpc_rule *r;
        int n;
 
        return 0;
 }
-EXPORT_SYMBOL(sptlrpc_rule_set_choose);
 
 /**********************************
  * sptlrpc configuration support  *