diff --git a/metadata/org.briarproject.briar.android.yml b/metadata/org.briarproject.briar.android.yml
index 8dbf4ba580..9108812cca 100644
--- a/metadata/org.briarproject.briar.android.yml
+++ b/metadata/org.briarproject.briar.android.yml
@@ -150,6 +150,8 @@ Builds:
     rm:
       - bramble-java
       - briar-headless
+      - libs/gradle-witness.jar
+    prebuild: sed -i -e '/witness/d' ../*/build.gradle
 
 ArchivePolicy: 3 versions
 AutoUpdateMode: Version release-%v