diff --git a/metadata/org.blokada.fem.fdroid.yml b/metadata/org.blokada.fem.fdroid.yml
index 20b9c0919d..0ae346f761 100644
--- a/metadata/org.blokada.fem.fdroid.yml
+++ b/metadata/org.blokada.fem.fdroid.yml
@@ -396,37 +396,9 @@ Builds:
       - ./build.blocka.sh
     ndk: r21e
 
-  - versionName: 5.20.1
-    versionCode: 520000001
-    disable: ndk r24
-    commit: 28f8d19e3a0431e54201e030b2ca558d5e5b44c1
-    subdir: android5/app
-    submodules: true
-    gradle:
-      - droid
-    srclibs:
-      - rustup@1.23.1
-    rm:
-      - android5/app/src/engine/jniLibs
-    prebuild:
-      - unzip -P default_blocklist src/main/assets/default_blocklist.zip default_blocklist
-        -d src/main/assets
-      - rm src/main/assets/default_blocklist.zip
-    build:
-      - $$rustup$$/rustup-init.sh -y
-      - source $HOME/.cargo/env
-      - rustup default stable
-      - rustup target add armv7-linux-androideabi
-      - rustup target add aarch64-linux-android
-      - cargo install cargo-ndk --version 1.0.0
-      - export ANDROID_NDK=$$NDK$$
-      - cd ../..
-      - ./build.boringtun.sh
-      - ./build.blocka.sh
-    ndk: r24
-
   - versionName: 5.20.2
     versionCode: 520000002
+    disable: ndk r24
     commit: 67ab20824d120dc912406c8bb427c1c5db1e26b6
     subdir: android5/app
     submodules: true
diff --git a/metadata/rocks.tbog.tblauncher.yml b/metadata/rocks.tbog.tblauncher.yml
index a82b049480..80f810b93f 100644
--- a/metadata/rocks.tbog.tblauncher.yml
+++ b/metadata/rocks.tbog.tblauncher.yml
@@ -142,6 +142,10 @@ Builds:
     versionCode: 32
     commit: cfa59dc55f89868ac37e45abdb11ab0ac3be4689
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     gradle:
       - yes