diff --git a/proguard.flags b/proguard.flags
index 635eba6..7c71a15 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -9,17 +9,3 @@
 -keep class android.telecom.Log {
   *;
 }
-
-# Keep classes, annotations and members used by Lifecycle. Remove this once aapt2 is enabled
--keepattributes *Annotation*
-
--keep class * implements android.arch.lifecycle.LifecycleObserver {
-}
-
--keep class * implements android.arch.lifecycle.GeneratedAdapter {
-    <init>(...);
-}
-
--keepclassmembers class ** {
-    @android.arch.lifecycle.OnLifecycleEvent *;
-}