diff --git a/drawee/src/main/java/com/facebook/drawee/view/DraweeHolder.java b/drawee/src/main/java/com/facebook/drawee/view/DraweeHolder.java
index 82a45736cc..071a2a1262 100644
--- a/drawee/src/main/java/com/facebook/drawee/view/DraweeHolder.java
+++ b/drawee/src/main/java/com/facebook/drawee/view/DraweeHolder.java
@@ -46,7 +46,7 @@ public class DraweeHolder<DH extends DraweeHierarchy> implements VisibilityCallb
   private boolean mIsVisible = true;
   @Nullable private DH mHierarchy;
 
-  private DraweeController mController = null;
+  @Nullable private DraweeController mController = null;
 
   private final DraweeEventTracker mEventTracker = DraweeEventTracker.newInstance();
 
diff --git a/drawee/src/main/java/com/facebook/drawee/view/SimpleDraweeView.java b/drawee/src/main/java/com/facebook/drawee/view/SimpleDraweeView.java
index 2972d22616..27558734ee 100644
--- a/drawee/src/main/java/com/facebook/drawee/view/SimpleDraweeView.java
+++ b/drawee/src/main/java/com/facebook/drawee/view/SimpleDraweeView.java
@@ -33,6 +33,7 @@
  */
 public class SimpleDraweeView extends GenericDraweeView {
 
+  @Nullable
   private static Supplier<? extends AbstractDraweeControllerBuilder>
       sDraweecontrollerbuildersupplier;