diff --git a/java/src/com/android/inputmethod/latin/InputPointers.java b/common/src/com/android/inputmethod/latin/common/InputPointers.java
similarity index 79%
rename from java/src/com/android/inputmethod/latin/InputPointers.java
rename to common/src/com/android/inputmethod/latin/common/InputPointers.java
index d57a881c0..40131aca4 100644
--- a/java/src/com/android/inputmethod/latin/InputPointers.java
+++ b/common/src/com/android/inputmethod/latin/common/InputPointers.java
@@ -14,18 +14,12 @@
  * limitations under the License.
  */
 
-package com.android.inputmethod.latin;
-
-import android.util.Log;
-import android.util.SparseIntArray;
+package com.android.inputmethod.latin.common;
 
 import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.define.DebugFlags;
-import com.android.inputmethod.latin.utils.ResizableIntArray;
 
 // TODO: This class is not thread-safe.
 public final class InputPointers {
-    private static final String TAG = InputPointers.class.getSimpleName();
     private static final boolean DEBUG_TIME = false;
 
     private final int mDefaultCapacity;
@@ -61,14 +55,14 @@ public final class InputPointers {
         mXCoordinates.addAt(index, x);
         mYCoordinates.addAt(index, y);
         mPointerIds.addAt(index, pointerId);
-        if (DebugFlags.DEBUG_ENABLED || DEBUG_TIME) {
+        if (DEBUG_TIME) {
             fillWithLastTimeUntil(index);
         }
         mTimes.addAt(index, time);
     }
 
     @UsedForTesting
-    void addPointer(int x, int y, int pointerId, int time) {
+    public void addPointer(int x, int y, int pointerId, int time) {
         mXCoordinates.add(x);
         mYCoordinates.add(y);
         mPointerIds.add(pointerId);
@@ -152,11 +146,6 @@ public final class InputPointers {
      * the sequence.
      */
     public int[] getTimes() {
-        if (DebugFlags.DEBUG_ENABLED || DEBUG_TIME) {
-            if (!isValidTimeStamps()) {
-                throw new RuntimeException("Time stamps are invalid.");
-            }
-        }
         return mTimes.getPrimitiveArray();
     }
 
@@ -165,25 +154,4 @@ public final class InputPointers {
         return "size=" + getPointerSize() + " id=" + mPointerIds + " time=" + mTimes
                 + " x=" + mXCoordinates + " y=" + mYCoordinates;
     }
-
-    private boolean isValidTimeStamps() {
-        final int[] times = mTimes.getPrimitiveArray();
-        final int[] pointerIds = mPointerIds.getPrimitiveArray();
-        final SparseIntArray lastTimeOfPointers = new SparseIntArray();
-        final int size = getPointerSize();
-        for (int i = 0; i < size; ++i) {
-            final int pointerId = pointerIds[i];
-            final int time = times[i];
-            final int lastTime = lastTimeOfPointers.get(pointerId, time);
-            if (time < lastTime) {
-                // dump
-                for (int j = 0; j < size; ++j) {
-                    Log.d(TAG, "--- (" + j + ") " + times[j]);
-                }
-                return false;
-            }
-            lastTimeOfPointers.put(pointerId, time);
-        }
-        return true;
-    }
 }
diff --git a/java/src/com/android/inputmethod/latin/utils/ResizableIntArray.java b/common/src/com/android/inputmethod/latin/common/ResizableIntArray.java
similarity index 99%
rename from java/src/com/android/inputmethod/latin/utils/ResizableIntArray.java
rename to common/src/com/android/inputmethod/latin/common/ResizableIntArray.java
index 64c9e2cff..ea23d8a33 100644
--- a/java/src/com/android/inputmethod/latin/utils/ResizableIntArray.java
+++ b/common/src/com/android/inputmethod/latin/common/ResizableIntArray.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.inputmethod.latin.utils;
+package com.android.inputmethod.latin.common;
 
 import java.util.Arrays;
 
diff --git a/java-overridable/src/com/android/inputmethod/latin/touchinputconsumer/GestureConsumer.java b/java-overridable/src/com/android/inputmethod/latin/touchinputconsumer/GestureConsumer.java
index 1d60e0cf5..4a44aaa94 100644
--- a/java-overridable/src/com/android/inputmethod/latin/touchinputconsumer/GestureConsumer.java
+++ b/java-overridable/src/com/android/inputmethod/latin/touchinputconsumer/GestureConsumer.java
@@ -19,8 +19,8 @@ package com.android.inputmethod.latin.touchinputconsumer;
 import android.view.inputmethod.EditorInfo;
 
 import com.android.inputmethod.keyboard.Keyboard;
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.inputlogic.PrivateCommandPerformer;
 
 import java.util.List;
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
index ac66f7c6a..cdd632bc8 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
@@ -16,8 +16,8 @@
 
 package com.android.inputmethod.keyboard;
 
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 
 public interface KeyboardActionListener {
     /**
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index fe6270fb5..5a540ff17 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -31,9 +31,9 @@ import com.android.inputmethod.keyboard.internal.GestureStrokeDrawingPoints;
 import com.android.inputmethod.keyboard.internal.GestureStrokeRecognitionParams;
 import com.android.inputmethod.keyboard.internal.PointerTrackerQueue;
 import com.android.inputmethod.keyboard.internal.TypingTimeRecorder;
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.define.DebugFlags;
 import com.android.inputmethod.latin.settings.Settings;
 import com.android.inputmethod.latin.utils.CoordinateUtils;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/BatchInputArbiter.java b/java/src/com/android/inputmethod/keyboard/internal/BatchInputArbiter.java
index efb365e42..77d0e7a90 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/BatchInputArbiter.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/BatchInputArbiter.java
@@ -16,8 +16,8 @@
 
 package com.android.inputmethod.keyboard.internal;
 
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 
 /**
  * This class arbitrates batch input.
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeDrawingPoints.java b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeDrawingPoints.java
index 7d09e9d2f..07ef00924 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeDrawingPoints.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeDrawingPoints.java
@@ -16,7 +16,7 @@
 
 package com.android.inputmethod.keyboard.internal;
 
-import com.android.inputmethod.latin.utils.ResizableIntArray;
+import com.android.inputmethod.latin.common.ResizableIntArray;
 
 /**
  * This class holds drawing points to represent a gesture stroke on the screen.
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeRecognitionPoints.java b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeRecognitionPoints.java
index 99ec18f4d..3e901114a 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeRecognitionPoints.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/GestureStrokeRecognitionPoints.java
@@ -18,9 +18,9 @@ package com.android.inputmethod.keyboard.internal;
 
 import android.util.Log;
 
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.common.Constants;
-import com.android.inputmethod.latin.utils.ResizableIntArray;
+import com.android.inputmethod.latin.common.InputPointers;
+import com.android.inputmethod.latin.common.ResizableIntArray;
 
 /**
  * This class holds event points to recognize a gesture stroke.
diff --git a/java/src/com/android/inputmethod/keyboard/internal/GestureTrailDrawingPoints.java b/java/src/com/android/inputmethod/keyboard/internal/GestureTrailDrawingPoints.java
index 67683e247..4d998e443 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/GestureTrailDrawingPoints.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/GestureTrailDrawingPoints.java
@@ -24,7 +24,7 @@ import android.graphics.Rect;
 import android.os.SystemClock;
 
 import com.android.inputmethod.latin.common.Constants;
-import com.android.inputmethod.latin.utils.ResizableIntArray;
+import com.android.inputmethod.latin.common.ResizableIntArray;
 
 /**
  * This class holds drawing points to represent a gesture trail. The gesture trail may contain
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 1c4ff9659..8e9b5c6f6 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -24,6 +24,7 @@ import com.android.inputmethod.annotations.UsedForTesting;
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.common.StringUtils;
 import com.android.inputmethod.latin.makedict.DictionaryHeader;
 import com.android.inputmethod.latin.makedict.FormatSpec;
diff --git a/java/src/com/android/inputmethod/latin/LastComposedWord.java b/java/src/com/android/inputmethod/latin/LastComposedWord.java
index c4c389411..9fcdb2229 100644
--- a/java/src/com/android/inputmethod/latin/LastComposedWord.java
+++ b/java/src/com/android/inputmethod/latin/LastComposedWord.java
@@ -20,6 +20,7 @@ import android.text.TextUtils;
 
 import com.android.inputmethod.event.Event;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 
 import java.util.ArrayList;
 
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index ff82087ae..5fa28d571 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -77,6 +77,7 @@ import com.android.inputmethod.keyboard.TextDecoratorUi;
 import com.android.inputmethod.latin.Suggest.OnGetSuggestedWordsCallback;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.define.DebugFlags;
 import com.android.inputmethod.latin.define.ProductionFlags;
 import com.android.inputmethod.latin.inputlogic.InputLogic;
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index 35436f59c..0b77f2ce3 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -20,6 +20,7 @@ import com.android.inputmethod.event.CombinerChain;
 import com.android.inputmethod.event.Event;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.common.StringUtils;
 import com.android.inputmethod.latin.define.DebugFlags;
 import com.android.inputmethod.latin.utils.CoordinateUtils;
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index f3a287320..bafea178e 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -41,7 +41,6 @@ import com.android.inputmethod.keyboard.TextDecorator;
 import com.android.inputmethod.keyboard.TextDecoratorUiOperator;
 import com.android.inputmethod.latin.Dictionary;
 import com.android.inputmethod.latin.DictionaryFacilitator;
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.LastComposedWord;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.NgramContext;
@@ -52,6 +51,7 @@ import com.android.inputmethod.latin.SuggestedWords;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.WordComposer;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.common.StringUtils;
 import com.android.inputmethod.latin.define.DebugFlags;
 import com.android.inputmethod.latin.settings.SettingsValues;
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogicHandler.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogicHandler.java
index 5f391dd9b..ddc4ad99c 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogicHandler.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogicHandler.java
@@ -21,10 +21,10 @@ import android.os.HandlerThread;
 import android.os.Message;
 
 import com.android.inputmethod.compat.LooperCompatUtils;
-import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.SuggestedWords;
 import com.android.inputmethod.latin.Suggest.OnGetSuggestedWordsCallback;
+import com.android.inputmethod.latin.common.InputPointers;
 
 /**
  * A helper to manage deferred tasks for the input logic.
diff --git a/tests/src/com/android/inputmethod/latin/InputTestsBase.java b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
index 161336aa6..926a2d3e1 100644
--- a/tests/src/com/android/inputmethod/latin/InputTestsBase.java
+++ b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
@@ -43,6 +43,7 @@ import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.latin.Dictionary.PhonyDictionary;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.common.Constants;
+import com.android.inputmethod.latin.common.InputPointers;
 import com.android.inputmethod.latin.common.StringUtils;
 import com.android.inputmethod.latin.settings.DebugSettings;
 import com.android.inputmethod.latin.settings.Settings;
diff --git a/tests/src/com/android/inputmethod/latin/InputPointersTests.java b/tests/src/com/android/inputmethod/latin/common/InputPointersTests.java
similarity index 99%
rename from tests/src/com/android/inputmethod/latin/InputPointersTests.java
rename to tests/src/com/android/inputmethod/latin/common/InputPointersTests.java
index 1a47cddf4..6b3490de8 100644
--- a/tests/src/com/android/inputmethod/latin/InputPointersTests.java
+++ b/tests/src/com/android/inputmethod/latin/common/InputPointersTests.java
@@ -14,13 +14,11 @@
  * limitations under the License.
  */
 
-package com.android.inputmethod.latin;
+package com.android.inputmethod.latin.common;
 
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
-import com.android.inputmethod.latin.utils.ResizableIntArray;
-
 import java.util.Arrays;
 
 @SmallTest
diff --git a/tests/src/com/android/inputmethod/latin/utils/ResizableIntArrayTests.java b/tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java
similarity index 99%
rename from tests/src/com/android/inputmethod/latin/utils/ResizableIntArrayTests.java
rename to tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java
index 7519becbc..bd1629faf 100644
--- a/tests/src/com/android/inputmethod/latin/utils/ResizableIntArrayTests.java
+++ b/tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.inputmethod.latin.utils;
+package com.android.inputmethod.latin.common;
 
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index 90be411ec..81c0706c1 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -47,7 +47,6 @@ LATINIME_SRC_FILES_FOR_DICTTOOL := \
         latin/BinaryDictionary.java \
         latin/DicTraverseSession.java \
         latin/Dictionary.java \
-        latin/InputPointers.java \
         latin/LastComposedWord.java \
         latin/NgramContext.java \
         latin/SuggestedWords.java \
@@ -59,8 +58,7 @@ LATINIME_SRC_FILES_FOR_DICTTOOL := \
         latin/utils/CoordinateUtils.java \
         latin/utils/FileUtils.java \
         latin/utils/JniUtils.java \
-        latin/utils/LocaleUtils.java \
-        latin/utils/ResizableIntArray.java
+        latin/utils/LocaleUtils.java
 
 LATINIME_OVERRIDABLE_SRC_FILES_FOR_DICTTOOL := \
         latin/define/DebugFlags.java