diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 0545d7f7..4306bcc4 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -7,11 +7,5 @@
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
-# Add any project specific keep options here:
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
+-renamesourcefileattribute SourceFile
+-keepattributes SourceFile,LineNumberTable