diff --git a/all/ipv6.txt b/all/ipv6.txt
index 13043536..d9911e91 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -1110,8 +1110,6 @@
 2a05:d07f:e000::/40
 2a0a:a440::/29
 2a10:f781:10:cee0::/64
-2c0f:ef78:0000::/48
-2c0f:ef78:0001::/48
 2c0f:ef78:10::/48
 2c0f:ef78:11::/48
 2c0f:ef78:12::/48
diff --git a/facebook/ipv6.txt b/facebook/ipv6.txt
index fc51cc2f..8328e9f7 100644
--- a/facebook/ipv6.txt
+++ b/facebook/ipv6.txt
@@ -480,8 +480,6 @@
 2a03:2887:ff60::/48
 2a03:83e0::/32
 2a10:f781:10:cee0::/64
-2c0f:ef78:0000::/48
-2c0f:ef78:0001::/48
 2c0f:ef78:10::/48
 2c0f:ef78:11::/48
 2c0f:ef78:12::/48