diff --git a/rrdtool.c b/rrdtool.c
index 5c1d226..ce27eb5 100644
--- a/rrdtool.c
+++ b/rrdtool.c
@@ -36,10 +36,6 @@
 
 #define ARGCMAX		64
 #define ARGVSIZE	1024
-
-#define RRDTOOL_CREATE	1
-#define RRDTOOL_UPDATE	2
-
 #define BUFSIZE		1024
 
 struct rra_cb_data {
@@ -50,7 +46,7 @@ struct rra_cb_data {
 
 static const char *rrd_dir;
 
-int rrd_init(void)
+int sammler_rrd_init(void)
 {
 	rrd_dir = config_get_string("global", "rrd_dir", ".");
 	return 0;
diff --git a/rrdtool.h b/rrdtool.h
index e6bccd7..bd1c627 100644
--- a/rrdtool.h
+++ b/rrdtool.h
@@ -1,7 +1,7 @@
 #ifndef _RRDTOOL_H_
 #define _RRDTOOL_H_
 
-int rrd_init(void);
+int sammler_rrd_init(void);
 int rrd_submit(const char *hostname, const char *pluginname, const char *filename, int ds_id, const char *data);
 
 #endif /* _RRDTOOL_H_ */
diff --git a/sammler.c b/sammler.c
index aff6a64..c2dc4d1 100644
--- a/sammler.c
+++ b/sammler.c
@@ -120,7 +120,7 @@ int main(int argc, char *argv[])
 	if (net_init())
 		exit(1);
 
-	if (rrd_init())
+	if (sammler_rrd_init())
 		exit(1);
 
 	if (plugin_init()) {