diff --git a/README.md b/README.md
index f8519df..966f6c0 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,10 @@ ok
 
 
 To be done:
+
+1. Add support for another cgroups such as blkio.
+=======
+
 1. Add support for another cgroups such as blkio.
 2. Add event notifications (for example, about excessing some limit of memory usage).
 3. Add documentation.
diff --git a/src/cg_mon_reader.erl b/src/cg_mon_reader.erl
index 2703432..e99bcc0 100644
--- a/src/cg_mon_reader.erl
+++ b/src/cg_mon_reader.erl
@@ -1,9 +1,6 @@
 -module(cg_mon_reader).
 -author("Viacheslav V. Kovalev").
 
--define(PROVIDED_RESOURCE, memory).
--define(KEY_VALUE_SOURCES, ["memory.stat"]).
--define(SINGLE_VALUE_SOURCES, []).
 
 %% API
 -export([