diff --git a/tests/comparisonTest/cassandra/cqlstr b/tests/comparisonTest/cassandra/cqlstr
deleted file mode 100644
index a43bf721e2530b8f2d62280d9ed8ff0e3b89b47a..0000000000000000000000000000000000000000
--- a/tests/comparisonTest/cassandra/cqlstr
+++ /dev/null
@@ -1,16 +0,0 @@
-drop keyspace if exists cassandra;
-CREATE KEYSPACE cassandra WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
-USE cassandra;
-create table test (devid int, devname text, devgroup int, ts bigint, minute bigint, temperature int, humidity float,primary key (ts, devgroup, minute));
-insert into test (devid,devname,devgroup,ts, minute,temperature,humidity) values (1, 'dev_1', 1,120000,1,1,1.2);
-create function tominute (ts bigint) returns null on null input returns bigint language java as $$ return ts/6000; $$;
-
-select * from test where devgroup<1 allow filtering;
-
-
-
-
-
-##############################################################
-!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-change primary key, can't be same;