diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f69e0df5..e8e754e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -413,12 +413,7 @@ jobs:
 
     - name: Install QEMU
       if: matrix.arch != 'native' && matrix.arch != 'i386'
-      # install newer qemu from
-      # https://launchpad.net/%7Ecanonical-server/+archive/ubuntu/server-backports/
-      # https://github.com/yamt/toywasm/pull/53#issuecomment-1605899935
       run: |
-        sudo apt-get update && sudo apt-get install -y software-properties-common
-        sudo add-apt-repository -y ppa:canonical-server/server-backports
         sudo apt-get update && sudo apt-get install -y qemu-user-static
 
     - name: toywasm --version