diff --git a/metadata/de.chadenas.cpudefense.yml b/metadata/de.chadenas.cpudefense.yml
index c1d270c32f..c9a0652c43 100644
--- a/metadata/de.chadenas.cpudefense.yml
+++ b/metadata/de.chadenas.cpudefense.yml
@@ -333,10 +333,6 @@ Builds:
       - export CPUS=$(getconf _NPROCESSORS_ONLN)
       - for (( c=$CPUS_MAX; c<$CPUS; c++ )) ; do echo 0 > /sys/devices/system/cpu/cpu$c/online
         ; done
-      - echo "deb https://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
-      - apt-get update
-      - apt-get install -y -t bullseye openjdk-11-jdk-headless
-      - update-java-alternatives --set java-1.11.0-openjdk-amd64
     gradle:
       - yes