diff --git a/data/person/ASELIAS-DN42 b/data/person/ASELIAS-DN42
index 509c2e27c..e08378208 100644
--- a/data/person/ASELIAS-DN42
+++ b/data/person/ASELIAS-DN42
@@ -1,4 +1,3 @@
 person:            Aselias
-contact:           aselias@chizeon.ltd
 nic-hdl:           ASELIAS-DN42
 mnt-by:            ASELIAS-MNT
diff --git a/data/person/CL-DN42 b/data/person/CL-DN42
index 78ce89636..5070aec98 100644
--- a/data/person/CL-DN42
+++ b/data/person/CL-DN42
@@ -1,4 +1,3 @@
 person:            clement
-contact:           clement@fezone.dhr.moe
 nic-hdl:           CL-DN42
 mnt-by:            CL-MNT
diff --git a/data/person/FLONET-DN42 b/data/person/FLONET-DN42
index 47320e945..4a525d156 100644
--- a/data/person/FLONET-DN42
+++ b/data/person/FLONET-DN42
@@ -1,5 +1,4 @@
 person:            FloNET
-contact:           email:fb6e2d2235f6e47a15cdf756c4747dae@3e674a23a209be4e2046b4a3580db0db5718f78c.flonet.net
 contact:           IRC:fsteinel
 contact:           xmpp:fsteinel@jabber.ccc.de
 org:               ORG-FLONET-DN42
diff --git a/data/person/KCH-DN42 b/data/person/KCH-DN42
index 166874404..8023ebbef 100644
--- a/data/person/KCH-DN42
+++ b/data/person/KCH-DN42
@@ -1,4 +1,3 @@
 person:            kchwang
-contact:           clement@fezone.dhr.moe
 nic-hdl:           KCH-DN42
 mnt-by:            KCH-MNT
diff --git a/data/person/RPI-DN42 b/data/person/RPI-DN42
index 6ac31ff11..463fe9b1a 100644
--- a/data/person/RPI-DN42
+++ b/data/person/RPI-DN42
@@ -1,4 +1,3 @@
 person:            RPI
-contact:           rpi@pilsbury.org
 nic-hdl:           RPI-DN42
 mnt-by:            PILS-MNT