diff --git a/artiq-full.nix b/artiq-full.nix
index a8ff92d..64908ad 100644
--- a/artiq-full.nix
+++ b/artiq-full.nix
@@ -46,7 +46,6 @@ let
         "hw"
         "indiana"
         "innsbruck2"
-        "ist"
         "liaf"
         "luh"
         "luh2"
@@ -60,7 +59,6 @@ let
         "nict"
         "nist"
         "nrc"
-        "nudt"
         "npl1"
         "npl2"
         "olomouc"
@@ -78,20 +76,16 @@ let
         "saymamaster"
         "siegen"
         "su"
-        "sysu"
         "tsinghua"
         "tsinghua2"
         "ubirmingham"
         "ucr"
         "unlv"
-        "unsw"
         "unsw2"
-        "ustc"
         "ustc2"
         "vlbaimaster"
         "vlbaisatellite"
         "wipm"
-        "wipm2"
         "wipm3"
         "wipm4"
         "wipm5master"