diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
index f28bc947156cbee4d48be389313dca3f0df0b5f7..fd9edec70d1d360e4fe640177e755665bc451c4a 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
@@ -32,7 +32,6 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.util.SparseArray;
 import android.util.Xml;
-import android.view.ViewDebug.HierarchyTraceType;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodSubtype;