diff --git a/cas/native/1.0/IDescrambler.hal b/cas/native/1.0/IDescrambler.hal
index 459e5e3..4822111 100644
--- a/cas/native/1.0/IDescrambler.hal
+++ b/cas/native/1.0/IDescrambler.hal
@@ -16,6 +16,7 @@
 package android.hardware.cas.native@1.0;
 
 import android.hardware.cas@1.0::IDescramblerBase;
+import android.hardware.cas@1.0::Status;
 
 /**
  * IDescrambler is the native plugin API for descrambling operations.
diff --git a/cas/native/1.0/types.hal b/cas/native/1.0/types.hal
index a576d03..d75338b 100644
--- a/cas/native/1.0/types.hal
+++ b/cas/native/1.0/types.hal
@@ -16,8 +16,6 @@
 
 package android.hardware.cas.native@1.0;
 
-import android.hardware.cas@1.0::types;
-
 /**
  * Enumerates the keys used to scramble the content.
  */