diff --git a/.github/appimage-builder.yml b/.github/appimage-builder.yml
index 598b2d0..0aabeb2 100644
--- a/.github/appimage-builder.yml
+++ b/.github/appimage-builder.yml
@@ -18,12 +18,8 @@ AppDir:
   apt:
     arch: amd64
     sources:
-      - sourceline: 'deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse'
-      - sourceline: 'deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic-security main restricted universe multiverse'
       - sourceline: 'deb [arch=amd64] http://archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse'
         key_url: 'http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3b4fe6acc0b21f32'
-      - sourceline: 'deb [arch=amd64] deb http://ppa.launchpad.net/cubic-wizard/release/ubuntu bionic main'
-        key_url: 'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x081525e2b4f1283b'
 
     include: []
     exclude: []