diff --git a/dogfood/files/etc/apt/sources.list b/dogfood/files/etc/apt/sources.list
deleted file mode 100644
index 745bcefcf2b0c..0000000000000
--- a/dogfood/files/etc/apt/sources.list
+++ /dev/null
@@ -1,3 +0,0 @@
-deb https://mirror.pit.teraswitch.com/ubuntu/ jammy main restricted universe
-deb https://mirror.pit.teraswitch.com/ubuntu/ jammy-updates main restricted universe
-deb https://mirror.pit.teraswitch.com/ubuntu/ jammy-backports main restricted universe