diff --git a/src/com/android/launcher3/allapps/VerticalPullDetector.java b/src/com/android/launcher3/allapps/VerticalPullDetector.java
index 7800c01..13c4f63 100644
--- a/src/com/android/launcher3/allapps/VerticalPullDetector.java
+++ b/src/com/android/launcher3/allapps/VerticalPullDetector.java
@@ -17,7 +17,7 @@
     private static final boolean DBG = false;
     private static final String TAG = "VerticalPullDetector";
 
-    private float mTouchSlop;
+    private final float mTouchSlop;
 
     private int mScrollConditions;
     public static final int DIRECTION_UP = 1 << 0;
@@ -47,8 +47,6 @@
         SETTLING       // onDragEnd
     }
 
-    ;
-
     //------------------- ScrollState transition diagram -----------------------------------
     //
     // IDLE ->      (mDisplacement > mTouchSlop) -> DRAGGING
@@ -110,7 +108,7 @@
     private boolean mIgnoreSlopWhenSettling;
 
     /* Client of this gesture detector can register a callback. */
-    Listener mListener;
+    private Listener mListener;
 
     public void setListener(Listener l) {
         mListener = l;