diff --git a/utility.h b/utility.h
index 4b67bbd..fb699d6 100644
--- a/utility.h
+++ b/utility.h
@@ -3,10 +3,7 @@
 
 char * getLocalTimeStamp(void);
 char * getGmTimeStamp(void);
-char * nth_named_component(const char *name_prefix, int n);
 long int get_current_time_sec(void);
-long int get_current_time_microsec(void);
-
-char * get_current_timestamp_micro(void);
+void get_current_timestamp_micro(char * microSec);
 
 #endif