diff --git a/camera/device/1.0/ICameraDevicePreviewCallback.hal b/camera/device/1.0/ICameraDevicePreviewCallback.hal
index 4c9b517..e772301 100644
--- a/camera/device/1.0/ICameraDevicePreviewCallback.hal
+++ b/camera/device/1.0/ICameraDevicePreviewCallback.hal
@@ -17,7 +17,6 @@
 package android.hardware.camera.device@1.0;
 
 import android.hardware.camera.common@1.0::types;
-import android.hardware.graphics.allocator@2.0::types;
 import android.hardware.graphics.common@1.0::types;
 
 /**
@@ -89,7 +88,7 @@
      *
      * @return Status The status code for this operation.
      */
-    setUsage(ProducerUsage usage) generates (Status status);
+    setUsage(ProducerUsageFlags usage) generates (Status status);
 
     /**
      * Set the expected buffering mode for the preview output.