diff --git a/Makefile b/Makefile
index 484a371..7dc9809 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 ERLC_WARNINGS = -W1
 MNESIA_DIR = db
-RUN_INIT = -s ezic start
+RUN_INIT = 
 
 all : clean compile
 
diff --git a/src/ezic.erl b/src/ezic.erl
index 1d3798e..26c3968 100644
--- a/src/ezic.erl
+++ b/src/ezic.erl
@@ -1,6 +1,11 @@
 -module(ezic).
 
--export([start/0]).
+-export([refresh_db/1]).
+-export([time2time/3]).
 
-start() ->
+
+refresh_db(_Folder) ->
+    void.
+
+time2time(_DateTime, _FromTimeZone, _ToTimeZone) ->
     void.