diff --git a/utils/loc_cfg.cpp b/utils/loc_cfg.cpp
index abf8086c..dc8e3a74 100644
--- a/utils/loc_cfg.cpp
+++ b/utils/loc_cfg.cpp
@@ -280,7 +280,6 @@ void loc_read_conf(const char* conf_file_name, loc_param_s_type* config_table,
                    uint32_t table_length)
 {
     FILE *gps_conf_fp = NULL;
-    char input_buf[LOC_MAX_PARAM_LINE];  /* declare a char array */
     char *lasts;
     loc_param_v_type config_value;
     uint32_t i;
diff --git a/utils/loc_cfg.h b/utils/loc_cfg.h
index 268f4c24..f575f713 100644
--- a/utils/loc_cfg.h
+++ b/utils/loc_cfg.h
@@ -33,9 +33,9 @@
 #include <stdio.h>
 #include <stdint.h>
 
-#define LOC_MAX_PARAM_NAME                 48
+#define LOC_MAX_PARAM_NAME                 80
 #define LOC_MAX_PARAM_STRING               80
-#define LOC_MAX_PARAM_LINE                 80
+#define LOC_MAX_PARAM_LINE    (LOC_MAX_PARAM_NAME + LOC_MAX_PARAM_STRING)
 
 #define UTIL_READ_CONF_DEFAULT(filename) \
     loc_read_conf((filename), NULL, 0);