diff --git a/rules_asn/first-party.txt b/rules_asn/first-party.txt
index c795252..e60a179 100644
--- a/rules_asn/first-party.txt
+++ b/rules_asn/first-party.txt
@@ -4,8 +4,6 @@ AS50234
 AS44788
 AS19750
 AS55569
-# ThreatMetrix
-AS30286
 # Webtrekk
 AS60164
 # Act-On Software
diff --git a/tests/first-party.csv b/tests/first-party.csv
index 48500bf..27044c3 100644
--- a/tests/first-party.csv
+++ b/tests/first-party.csv
@@ -1,7 +1,6 @@
 url,allow,deny,comment
 https://www.red-by-sfr.fr/,static.s-sfr.fr,nrg.red-by-sfr.fr,Eulerian
 https://www.cbc.ca/,,smetrics.cbc.ca,2o7 | Ominuture | Adobe Experience Cloud
-https://www.discover.com/,,content.discover.com,ThreatMetrix
 https://www.mytoys.de/,,web.mytoys.de,Webtrekk
 https://www.baur.de/,,tp.baur.de,Otto Group
 https://www.liligo.com/,,compare.liligo.com,???