diff --git a/src/pam_linotp.c b/src/pam_linotp.c
index 251f8b0..be8cfb7 100644
--- a/src/pam_linotp.c
+++ b/src/pam_linotp.c
@@ -175,16 +175,6 @@ static void do_log(int type, char * format, ...) {
     }
 }
 
-char *my_itoa(int num, char *str)
-{
-        if(str == NULL)
-        {
-                return NULL;
-        }
-        sprintf(str, "%d", num);
-        return str;
-}
-
 
 #ifdef DEBUG
 #define log_error(format, ...)   do_log(LOG_ERR,    "linotp:ERROR: "   #format, ## __VA_ARGS__)