diff --git a/redolog_freq_switch.sql b/redolog_freq_switch.sql
index c90eafb..c77080b 100644
--- a/redolog_freq_switch.sql
+++ b/redolog_freq_switch.sql
@@ -38,7 +38,6 @@ col 24 for 999
 
 select to_char(first_time, 'YYYY/MM/dd') "Date",
 count(1) "Total",
-round(sum(blocks*block_size)/1024/1024, 0) "Taille_Mo",
 sum(decode(to_char(first_time, 'hh24'),'00',1,0)) "00",
 sum(decode(to_char(first_time, 'hh24'),'01',1,0)) "01",
 sum(decode(to_char(first_time, 'hh24'),'02',1,0)) "02",