diff --git a/metadata/at.tomtasche.reader.yml b/metadata/at.tomtasche.reader.yml
index 33dcfd62ba..1a9e462ffd 100644
--- a/metadata/at.tomtasche.reader.yml
+++ b/metadata/at.tomtasche.reader.yml
@@ -133,16 +133,20 @@ Builds:
 
   - versionName: '3.12'
     versionCode: 164
-    disable: need clean up
     commit: bcf48e2fe55fd0ec7c675b7043d18b7f5d939311
     subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
     init: git submodule update --init
     gradle:
       - pro
     prebuild:
       - sed -i -e '/com.google/d' ../build.gradle
       - sed -i -e '/com.google.firebase/d' -e '/firebaseCrashlytics/d' -e '/com.google.android.play/d'
-        -e '/com.android.billingclient/d' -e '/com.google.gms/d' -e '/pro"/d' build.gradle
+        -e '/com.android.billingclient/d' -e '/com.google.gms/d' -e '/pro"/d' -e '/com.google.android.gms/d'
+        build.gradle
       - sed -i -e '/INTERNET/d' -e '/BILLING/d' -e '/^        <meta-data/,+5d' src/main/AndroidManifest.xml
       - cd src/main/java/at/tomtasche/reader
       - sed -i -e '/com.google.firebase/d' background/FileLoader.java
@@ -153,12 +157,14 @@ Builds:
         -e '/offerUpload/d' ui/activity/DocumentFragment.java
       - sed -i -e '/void initializeProprietaryLibraries/,/^    }/d' -e '/initializeProprietaryLibraries/d'
         -e '/void buyAdRemoval/,/^    }/d' -e '/buyAdRemoval/d' -e 's/billingManager.hasPurchased()/true/'
-        -e 's/billingManager.isEnabled()/false/' ui/activity/MainActivity.java
+        -e 's/billingManager.isEnabled()/false/' -e '/configManager.isLoaded()/,/^                    }/d'
+        -e '/onPreDraw()/a return false;}' ui/activity/MainActivity.java
       - for class in AdManager AnalyticsManager BillingManager ConfigManager CrashManager
         HelpManager; do echo "package at.tomtasche.reader.nonfree; public class ${class}
         {}" > nonfree/${class}.java; sed -i -e "/${class}\./Id" background/*.java
         ui/*/*.java ui/*.java; done
-      - $$SDK$$/tools/bin/sdkmanager 'cmake;3.18.1' > /dev/null
+      - JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 $$SDK$$/tools/bin/sdkmanager 'cmake;3.18.1'
+        > /dev/null
     ndk: r23b
 
 MaintainerNotes: Init submodule manully because there is private recursive submodule