diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index e23d5a77310c0538594499ccbbdba2019542b5a5..ef48da64634b07634b3fadf35a3495fe9d539d1b 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -355,9 +355,6 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
                 ResourceUtils.getDeviceOverrideValue(
                         res, R.array.phantom_sudden_move_event_device_list));
         sNeedsProximateBogusDownMoveUpEventHack = needsProximateBogusDownMoveUpEventHack(res);
-        sGestureStrokeParams = GestureStrokeParams.DEFAULT;
-        sGesturePreviewParams = GestureStrokePreviewParams.DEFAULT;
-        sTimeRecorder = new TimeRecorder(sParams, sGestureStrokeParams);
 
         sTimerProxy = timerProxy;
         sDrawingProxy = drawingProxy;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GestureStroke.java b/java/src/com/android/inputmethod/keyboard/internal/GestureStroke.java
index f29ade8614ae64ba4eb9351f90b933aa34e0475f..0c118172161f1ea5bb29cbeaa5b686eaf54b9aec 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/GestureStroke.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/GestureStroke.java
@@ -84,7 +84,7 @@ public class GestureStroke {
         public final float mRecognitionSpeedThreshold; // keyWidth/sec
 
         // Default GestureStroke parameters.
-        public static final GestureStrokeParams DEFAULT = new GestureStrokeParams();
+        private static final GestureStrokeParams DEFAULT = new GestureStrokeParams();
 
         private GestureStrokeParams() {
             // These parameter values are default and intended for testing.
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeWithPreviewPoints.java b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeWithPreviewPoints.java
index ecc67dd448b31045b6bebc9dce7d1d3f3a442344..ec6e4df0139f3fd1f5cb8a842887a2a89dad38b6 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeWithPreviewPoints.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeWithPreviewPoints.java
@@ -45,7 +45,7 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
         public final double mMaxInterpolationDistanceThreshold; // in pixel
         public final int mMaxInterpolationSegments;
 
-        public static final GestureStrokePreviewParams DEFAULT = new GestureStrokePreviewParams();
+        private static final GestureStrokePreviewParams DEFAULT = new GestureStrokePreviewParams();
 
         private static final int DEFAULT_MAX_INTERPOLATION_ANGULAR_THRESHOLD = 15; // in degree