diff --git a/lib/techniques/dns/use.py b/lib/techniques/dns/use.py
index 7283eb787..a54056e41 100644
--- a/lib/techniques/dns/use.py
+++ b/lib/techniques/dns/use.py
@@ -34,29 +34,12 @@ from lib.core.data import logger
 from lib.core.data import queries
 from lib.core.enums import DBMS
 from lib.core.enums import PAYLOAD
-from lib.core.settings import FROM_DUMMY_TABLE
 from lib.core.settings import MAX_DNS_LABEL
 from lib.core.settings import PARTIAL_VALUE_MARKER
 from lib.core.unescaper import unescaper
 from lib.request.connect import Connect as Request
 
 
-def dnsTest(payload):
-    logger.info("testing for data retrieval through DNS channel")
-
-    randInt = randomInt()
-    kb.dnsTest = dnsUse(payload, "SELECT %d%s" % (randInt, FROM_DUMMY_TABLE.get(Backend.getIdentifiedDbms(), ""))) == str(randInt)
-
-    if not kb.dnsTest:
-        errMsg = "data retrieval through DNS channel failed. Turning off DNS exfiltration support"
-        logger.error(errMsg)
-
-        conf.dnsDomain = None
-    else:
-        infoMsg = "data retrieval through DNS channel was successful"
-        logger.info(infoMsg)
-
-
 def dnsUse(payload, expression):
     """
     Retrieve the output of a SQL query taking advantage of the DNS