focal doesn't work

.travis.yml

@@ -40,10 +40,6 @@ cache:
 
 jobs:
   include:
-    - os: linux
-      name: "Linux 64-bit Focal"
-      dist: focal
-      language: shell
     - os: linux
       name: "Linux 64-bit Bionic"
       dist: bionic
@@ -52,12 +48,6 @@ jobs:
       name: "Linux 64-bit Xenial"
       dist: xenial
       language: shell
-    - os: linux
-      dist: focal
-      arch: arm64
-      name: "Linux ARM64 Focal"
-      language: shell
-      filter_secrets: false
     - os: linux
       dist: bionic
       arch: arm64