diff --git a/src/sf_func.c b/src/sf_func.c
index 5631419..0175210 100644
--- a/src/sf_func.c
+++ b/src/sf_func.c
@@ -7,10 +7,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <netinet/in.h>
-#include <fcntl.h>
 #include <errno.h>
-#include <grp.h>
-#include <pwd.h>
 #include "fastcommon/shared_func.h"
 #include "fastcommon/logger.h"
 #include "fastcommon/sockopt.h"
@@ -19,76 +16,6 @@
 #include "sf_global.h"
 #include "sf_func.h"
 
-int sf_parse_server_info(const char *pServerStr, ConnectionInfo *pServerInfo,
-                         const int default_port)
-{
-    char *parts[2];
-    char server_info[256];
-    int len;
-    int count;
-
-    len = strlen(pServerStr);
-    if (len == 0) {
-        logError("file: "__FILE__", line: %d, "
-            "pServerStr \"%s\" is empty!",
-            __LINE__, pServerStr);
-        return EINVAL;
-    }
-    if (len >= sizeof(server_info)) {
-        logError("file: "__FILE__", line: %d, "
-            "pServerStr \"%s\" is too long!",
-            __LINE__, pServerStr);
-        return ENAMETOOLONG;
-    }
-
-    memcpy(server_info, pServerStr, len);
-    *(server_info + len) = '\0';
-
-    count = splitEx(server_info, ':', parts, 2);
-    if (count == 1) {
-        pServerInfo->port = default_port;
-    }
-    else {
-        char *endptr = NULL;
-        pServerInfo->port = (int)strtol(parts[1], &endptr, 10);
-        if ((endptr != NULL && *endptr != '\0') || pServerInfo->port <= 0) {
-            logError("file: "__FILE__", line: %d, "
-                "pServerStr: %s, invalid port: %s!",
-                __LINE__, pServerStr, parts[1]);
-            return EINVAL;
-        }
-    }
-
-    if (getIpaddrByName(parts[0], pServerInfo->ip_addr,
-        sizeof(pServerInfo->ip_addr)) == INADDR_NONE)
-    {
-        logError("file: "__FILE__", line: %d, "
-            "pServerStr: %s, invalid hostname: %s!",
-            __LINE__, pServerStr, parts[0]);
-        return EINVAL;
-    }
-
-    pServerInfo->socket_domain = AF_INET;
-    return 0;
-}
-
-int sf_load_server_info(IniContext *pIniContext, const char *filename,
-        const char *item_name, ConnectionInfo *pServerInfo,
-        const int default_port)
-{
-    char *pServerStr;
-
-	pServerStr = iniGetStrValue(NULL, item_name, pIniContext);
-    if (pServerStr == NULL) {
-        logError("file: "__FILE__", line: %d, "
-                "config file: %s, item \"%s\" not exist!",
-                __LINE__, filename, item_name);
-        return ENOENT;
-    }
-
-    return sf_parse_server_info(pServerStr, pServerInfo, default_port);
-}
-
 int sf_connect_to_server(const char *ip_addr, const int port, int *sock)
 {
     int result;
diff --git a/src/sf_func.h b/src/sf_func.h
index 2dfb7bc..d91a6a0 100644
--- a/src/sf_func.h
+++ b/src/sf_func.h
@@ -10,13 +10,6 @@
 extern "C" {
 #endif
 
-int sf_load_server_info(IniContext *pIniContext, const char *filename,
-        const char *item_name, ConnectionInfo *pServerInfo,
-        const int default_port);
-
-int sf_parse_server_info(const char *pServerStr, ConnectionInfo *pServerInfo,
-                         const int default_port);
-
 int sf_connect_to_server(const char *ip_addr, const int port, int *sock);
 
 #ifdef __cplusplus