diff --git a/metadata/com.xabber.androiddev.txt b/metadata/com.xabber.androiddev.txt
index e4e93638e8..4b45a4e003 100644
--- a/metadata/com.xabber.androiddev.txt
+++ b/metadata/com.xabber.androiddev.txt
@@ -62,8 +62,9 @@ Build:0.9.30d,86
     commit=8bb32fcf2253d9b7a5fbc57e9c2d3cbb3f76cc5c
     gradle=yes
     subdir=app
+    rm=app/libs/*.jar
     srclibs=Otr4j@7fb42b2ef912fe664064edf717a6b72ce77ccb3b
-    prebuild=rm libs/*.jar && cp -fR $$Otr4j$$/src/net src/main/java
+    prebuild=sed -i -e '/otr4j.jar/d' build.gradle && cp -fR $$Otr4j$$/src/net src/main/java
 
 Auto Update Mode:None
 Update Check Mode:RepoManifest