diff --git a/src/Anomaly_Detection_Phase/param.h b/src/Anomaly_Detection_Phase/param.h
index 52985742627f53a2d3e981d906d3f4d014e20943..18cb334454832271fae8b2b04ddfd8c9855df259 100644
--- a/src/Anomaly_Detection_Phase/param.h
+++ b/src/Anomaly_Detection_Phase/param.h
@@ -1,6 +1,4 @@
 
-#ifndef STREAMSPOT_PARAM_H_
-#define STREAMSPOT_PARAM_H_
 
 #ifdef DEBUG
 #define NDEBUG            0
@@ -11,7 +9,7 @@ extern  int M;
 #define R                 20
 #define BUF_SIZE          50
 #define DELIMITER         '\t'
-#define L                 1000       // must be = B * R
+#define L                 1000     
 #define SEED              23
 #define CLUSTER_UPDATE_INTERVAL   100
 #define INF		   5000000