diff --git a/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderFixedOrderTests.java b/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderFixedOrderTests.java
index 2a244a77238d0b416de3da875cde1ba71a5fbe3f..49ef3a2619d7d6241e0e4af278e97d87038ad4a6 100644
--- a/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderFixedOrderTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderFixedOrderTests.java
@@ -17,9 +17,11 @@
 package com.android.inputmethod.keyboard;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import com.android.inputmethod.keyboard.MoreKeysKeyboard.MoreKeysKeyboardParams;
 
+@SmallTest
 public class MoreKeysKeyboardBuilderFixedOrderTests extends AndroidTestCase {
     private static final int WIDTH = 10;
     private static final int HEIGHT = 10;
diff --git a/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderTests.java b/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderTests.java
index e6c76db854cbd69c5159819c798bd018702ec913..93883dc5b613d6fe8fb403709fb98d976fc73688 100644
--- a/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/MoreKeysKeyboardBuilderTests.java
@@ -17,9 +17,11 @@
 package com.android.inputmethod.keyboard;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import com.android.inputmethod.keyboard.MoreKeysKeyboard.MoreKeysKeyboardParams;
 
+@SmallTest
 public class MoreKeysKeyboardBuilderTests extends AndroidTestCase {
     private static final int WIDTH = 10;
     private static final int HEIGHT = 10;
diff --git a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
index 05b1376357fe6754c54eefd7de1b7deb26fe53a8..d0426eb72c1d762072797482336f9a9f22929bd1 100644
--- a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
@@ -19,6 +19,7 @@ package com.android.inputmethod.keyboard;
 import android.content.Context;
 import android.content.res.Resources;
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.latin.AdditionalSubtype;
@@ -31,6 +32,7 @@ import com.android.inputmethod.latin.LocaleUtils.RunInLocale;
 import java.util.ArrayList;
 import java.util.Locale;
 
+@SmallTest
 public class SpacebarTextTests extends AndroidTestCase {
     // Locale to subtypes list.
     private final ArrayList<InputMethodSubtype> mSubtypesList = CollectionUtils.newArrayList();
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
index 1346c00f4e78224290571131d7f7ae27faaa369c..cee62ca384cfe29068c38bd8ecf8a3ab33f7b0ec 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
@@ -18,6 +18,7 @@ package com.android.inputmethod.keyboard.internal;
 
 import android.app.Instrumentation;
 import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import com.android.inputmethod.latin.CollectionUtils;
 
@@ -26,6 +27,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Locale;
 
+@SmallTest
 public class KeySpecParserCsvTests extends InstrumentationTestCase {
     private final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
 
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserTests.java b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserTests.java
index 5bba961bd58195df87161b0d604f3f1cbfab458f..a5b61b370222e97799663295a8dbfb9ddb9d7998 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserTests.java
@@ -21,12 +21,14 @@ import static com.android.inputmethod.latin.Constants.CODE_OUTPUT_TEXT;
 import static com.android.inputmethod.latin.Constants.CODE_UNSPECIFIED;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import com.android.inputmethod.latin.Constants;
 
 import java.util.Arrays;
 import java.util.Locale;
 
+@SmallTest
 public class KeySpecParserTests extends AndroidTestCase {
     private final KeyboardCodesSet mCodesSet = new KeyboardCodesSet();
     private final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateMultiTouchTests.java b/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateMultiTouchTests.java
index 053bcb53a4ca2e625b42cd50f05f5fd431ccb300..5fbe6d4bf35e24e06cfc136f7061b2deb751fafc 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateMultiTouchTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateMultiTouchTests.java
@@ -16,6 +16,9 @@
 
 package com.android.inputmethod.keyboard.internal;
 
+import android.test.suitebuilder.annotation.SmallTest;
+
+@SmallTest
 public class KeyboardStateMultiTouchTests extends KeyboardStateTestsBase {
     // Chording input in alphabet.
     public void testChordingAlphabet() {
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateSingleTouchTests.java b/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateSingleTouchTests.java
index 74ff879777256a5a9a1046d5e368bd44cb341b00..637d47577f474c39dbc33016f531ab589e1ff959 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateSingleTouchTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateSingleTouchTests.java
@@ -16,6 +16,9 @@
 
 package com.android.inputmethod.keyboard.internal;
 
+import android.test.suitebuilder.annotation.SmallTest;
+
+@SmallTest
 public class KeyboardStateSingleTouchTests extends KeyboardStateTestsBase {
     // Shift key in alphabet.
     public void testShiftAlphabet() {
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java b/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
index 2c3e3a5141d79a835c00a9c7fdd36c2bc84ffe48..e7068afce9152f774820e893012f959a41c98722 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
@@ -17,7 +17,9 @@
 package com.android.inputmethod.keyboard.internal;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
+@SmallTest
 public class PointerTrackerQueueTests extends AndroidTestCase {
     public static class Element implements PointerTrackerQueue.Element {
         public static int sPhantomUpCount;
diff --git a/tests/src/com/android/inputmethod/latin/BlueUnderlineTests.java b/tests/src/com/android/inputmethod/latin/BlueUnderlineTests.java
index 6b4d52d62b1510b91cdb6b30b965afa7646be7ae..594b5d6b24a0d474ed91dfa40c70ae4c0f1744b0 100644
--- a/tests/src/com/android/inputmethod/latin/BlueUnderlineTests.java
+++ b/tests/src/com/android/inputmethod/latin/BlueUnderlineTests.java
@@ -16,9 +16,11 @@
 
 package com.android.inputmethod.latin;
 
+import android.test.suitebuilder.annotation.LargeTest;
 import android.text.style.SuggestionSpan;
 import android.text.style.UnderlineSpan;
 
+@LargeTest
 public class BlueUnderlineTests extends InputTestsBase {
 
     public void testBlueUnderline() {
diff --git a/tests/src/com/android/inputmethod/latin/EditDistanceTests.java b/tests/src/com/android/inputmethod/latin/EditDistanceTests.java
index c053a49e56291b77a4d732593915babf7045faa1..0b7fcbbe809c07c4d993b28de1df58e0c99c42c0 100644
--- a/tests/src/com/android/inputmethod/latin/EditDistanceTests.java
+++ b/tests/src/com/android/inputmethod/latin/EditDistanceTests.java
@@ -17,7 +17,9 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
+@SmallTest
 public class EditDistanceTests extends AndroidTestCase {
     @Override
     protected void setUp() throws Exception {
diff --git a/tests/src/com/android/inputmethod/latin/ForgettingCurveTests.java b/tests/src/com/android/inputmethod/latin/ForgettingCurveTests.java
index a2e71c11a7510f081204f42f0c9996a06dd212d5..3259312dfc2594c5c953e511ccffb79de3d69826 100644
--- a/tests/src/com/android/inputmethod/latin/ForgettingCurveTests.java
+++ b/tests/src/com/android/inputmethod/latin/ForgettingCurveTests.java
@@ -17,7 +17,9 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
+@SmallTest
 public class ForgettingCurveTests extends AndroidTestCase {
     public void testFcToFreq() {
         for (int i = 0; i < Byte.MAX_VALUE; ++i) {
diff --git a/tests/src/com/android/inputmethod/latin/FusionDictionaryTests.java b/tests/src/com/android/inputmethod/latin/FusionDictionaryTests.java
index 123959b4d6145cb6a9664eea1c5a72aa5c5d7c09..fd584761a27332c7b3fd1136df7c6de6d54cee29 100644
--- a/tests/src/com/android/inputmethod/latin/FusionDictionaryTests.java
+++ b/tests/src/com/android/inputmethod/latin/FusionDictionaryTests.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import com.android.inputmethod.latin.makedict.FusionDictionary;
 import com.android.inputmethod.latin.makedict.FusionDictionary.Node;
@@ -26,6 +27,7 @@ import java.util.HashMap;
 /**
  * Unit test for FusionDictionary
  */
+@SmallTest
 public class FusionDictionaryTests extends AndroidTestCase {
     public void testFindWordInTree() {
         FusionDictionary dict = new FusionDictionary(new Node(),
diff --git a/tests/src/com/android/inputmethod/latin/InputLogicTests.java b/tests/src/com/android/inputmethod/latin/InputLogicTests.java
index 6412a9db5513272870cabb53b6d0488dc68c2dae..d7b2407803f2e81649a19a76c4c1e5402bb49275 100644
--- a/tests/src/com/android/inputmethod/latin/InputLogicTests.java
+++ b/tests/src/com/android/inputmethod/latin/InputLogicTests.java
@@ -16,6 +16,9 @@
 
 package com.android.inputmethod.latin;
 
+import android.test.suitebuilder.annotation.LargeTest;
+
+@LargeTest
 public class InputLogicTests extends InputTestsBase {
 
     public void testTypeWord() {
diff --git a/tests/src/com/android/inputmethod/latin/InputLogicTestsNonEnglish.java b/tests/src/com/android/inputmethod/latin/InputLogicTestsNonEnglish.java
index 42823f538c0b93083d110919458e7c3963b4b4dc..e012f79263e4529483f1426dccfcf67430126967 100644
--- a/tests/src/com/android/inputmethod/latin/InputLogicTestsNonEnglish.java
+++ b/tests/src/com/android/inputmethod/latin/InputLogicTestsNonEnglish.java
@@ -16,8 +16,11 @@
 
 package com.android.inputmethod.latin;
 
+import android.test.suitebuilder.annotation.LargeTest;
+
 import com.android.inputmethod.latin.suggestions.SuggestionStripView;
 
+@LargeTest
 public class InputLogicTestsNonEnglish extends InputTestsBase {
     final String NEXT_WORD_PREDICTION_OPTION = "next_word_prediction";
 
diff --git a/tests/src/com/android/inputmethod/latin/InputPointersTests.java b/tests/src/com/android/inputmethod/latin/InputPointersTests.java
index cc55076c018ee15c0aaefd28537a685bd077aa42..44526a37c9bba0cdcdf88055d3db5530b79d681e 100644
--- a/tests/src/com/android/inputmethod/latin/InputPointersTests.java
+++ b/tests/src/com/android/inputmethod/latin/InputPointersTests.java
@@ -17,9 +17,11 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
 import java.util.Arrays;
 
+@SmallTest
 public class InputPointersTests extends AndroidTestCase {
     private static final int DEFAULT_CAPACITY = 48;
 
diff --git a/tests/src/com/android/inputmethod/latin/InputTestsBase.java b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
index 10d415ba81365bfc9ce49ed72a3dd3052f677f26..c4405877217f916253af96f15eccfebf203d201e 100644
--- a/tests/src/com/android/inputmethod/latin/InputTestsBase.java
+++ b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
@@ -31,16 +31,12 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
-import android.view.inputmethod.InputMethodInfo;
-import android.view.inputmethod.InputMethodManager;
-import android.view.inputmethod.InputMethodSubtype;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 
-import java.util.HashMap;
 import java.util.Locale;
 
 public class InputTestsBase extends ServiceTestCase<LatinIME> {
diff --git a/tests/src/com/android/inputmethod/latin/PunctuationTests.java b/tests/src/com/android/inputmethod/latin/PunctuationTests.java
index 0eb3ba41a64c1e1a725d6af25ea5bbadf2af5e32..38203e8fcb80095638280e1b9c3aa1677cf5f97e 100644
--- a/tests/src/com/android/inputmethod/latin/PunctuationTests.java
+++ b/tests/src/com/android/inputmethod/latin/PunctuationTests.java
@@ -16,8 +16,11 @@
 
 package com.android.inputmethod.latin;
 
+import android.test.suitebuilder.annotation.LargeTest;
+
 import com.android.inputmethod.latin.R;
 
+@LargeTest
 public class PunctuationTests extends InputTestsBase {
 
     final String NEXT_WORD_PREDICTION_OPTION = "next_word_prediction";
diff --git a/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java b/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java
index 995fc14eaa356f779ff919d4f051a16d2b97b618..7c415dff088ea091f9c20d37f27fb6159d7a2144 100644
--- a/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java
+++ b/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java
@@ -17,7 +17,9 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 
+@SmallTest
 public class ResizableIntArrayTests extends AndroidTestCase {
     private static final int DEFAULT_CAPACITY = 48;
 
diff --git a/tests/src/com/android/inputmethod/latin/RichInputConnectionTests.java b/tests/src/com/android/inputmethod/latin/RichInputConnectionTests.java
index ad99379409ad3e4c7d664b0a62c91f9e2ac0078a..9b8fc6d5dbe51c9743e72aab1a987d9da4c1dc39 100644
--- a/tests/src/com/android/inputmethod/latin/RichInputConnectionTests.java
+++ b/tests/src/com/android/inputmethod/latin/RichInputConnectionTests.java
@@ -18,6 +18,7 @@ package com.android.inputmethod.latin;
 
 import android.inputmethodservice.InputMethodService;
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 import android.view.inputmethod.ExtractedText;
 import android.view.inputmethod.ExtractedTextRequest;
 import android.view.inputmethod.InputConnection;
@@ -25,6 +26,7 @@ import android.view.inputmethod.InputConnectionWrapper;
 
 import com.android.inputmethod.latin.RichInputConnection.Range;
 
+@SmallTest
 public class RichInputConnectionTests extends AndroidTestCase {
 
     // The following is meant to be a reasonable default for
diff --git a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
index 3142bd602d13f8bbdc8ada7d2542c51f3ed57e5c..f3fbb3e4b0e3bdc0670a2249c7cb43378eef072b 100644
--- a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
@@ -17,10 +17,12 @@
 package com.android.inputmethod.latin;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 import android.text.TextUtils;
 
 import java.util.Locale;
 
+@SmallTest
 public class StringUtilsTests extends AndroidTestCase {
     public void testContainsInArray() {
         assertFalse("empty array", StringUtils.containsInArray("key", new String[0]));
diff --git a/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java b/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
index e37fef757b8b90940c0adf58374a575f3a00c8ab..e406e84af53900a7304fbd393336a37df6003fef 100644
--- a/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
+++ b/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
@@ -19,6 +19,7 @@ package com.android.inputmethod.latin;
 import android.content.Context;
 import android.content.res.Resources;
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.latin.LocaleUtils.RunInLocale;
@@ -26,6 +27,7 @@ import com.android.inputmethod.latin.LocaleUtils.RunInLocale;
 import java.util.ArrayList;
 import java.util.Locale;
 
+@SmallTest
 public class SubtypeLocaleTests extends AndroidTestCase {
     // Locale to subtypes list.
     private final ArrayList<InputMethodSubtype> mSubtypesList = CollectionUtils.newArrayList();
diff --git a/tests/src/com/android/inputmethod/latin/UserHistoryDictIOUtilsTests.java b/tests/src/com/android/inputmethod/latin/UserHistoryDictIOUtilsTests.java
index 66c9e18518f26e631d99ae4b43c6a1d34b8a01e7..dd28fabf6973a54f6ee1c7f880d3f8c79880bc32 100644
--- a/tests/src/com/android/inputmethod/latin/UserHistoryDictIOUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/UserHistoryDictIOUtilsTests.java
@@ -16,17 +16,17 @@
 
 package com.android.inputmethod.latin;
 
+import android.content.Context;
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+
 import com.android.inputmethod.latin.UserHistoryDictIOUtils.BigramDictionaryInterface;
 import com.android.inputmethod.latin.UserHistoryDictIOUtils.OnAddWordListener;
-import com.android.inputmethod.latin.makedict.BinaryDictInputOutput;
 import com.android.inputmethod.latin.makedict.FormatSpec;
 import com.android.inputmethod.latin.makedict.FusionDictionary;
 import com.android.inputmethod.latin.makedict.FusionDictionary.CharGroup;
 
-import android.content.Context;
-import android.test.AndroidTestCase;
-import android.util.Log;
-
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -39,6 +39,7 @@ import java.util.HashMap;
 /**
  * Unit tests for UserHistoryDictIOUtils
  */
+@LargeTest
 public class UserHistoryDictIOUtilsTests extends AndroidTestCase
     implements BigramDictionaryInterface {
 
diff --git a/tests/src/com/android/inputmethod/latin/UserHistoryDictionaryTests.java b/tests/src/com/android/inputmethod/latin/UserHistoryDictionaryTests.java
index 7536f64acff8cfa39a9f863f43c03fc585b1b693..594ba0e7b42eaef0e1f03794b97b252978f07c35 100644
--- a/tests/src/com/android/inputmethod/latin/UserHistoryDictionaryTests.java
+++ b/tests/src/com/android/inputmethod/latin/UserHistoryDictionaryTests.java
@@ -16,15 +16,13 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.latin.UserHistoryDictionary;
-
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.LargeTest;
 import android.util.Log;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -33,6 +31,7 @@ import java.util.Set;
 /**
  * Unit tests for UserHistoryDictionary
  */
+@LargeTest
 public class UserHistoryDictionaryTests extends AndroidTestCase {
     private static final String TAG = UserHistoryDictionaryTests.class.getSimpleName();
     private SharedPreferences mPrefs;
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
index d080ed627e5e5697a6be6e4c2769e0848ec4ca5a..f3694eada124c9afb6e03468821725067cd6bd06 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
@@ -16,6 +16,12 @@
 
 package com.android.inputmethod.latin.makedict;
 
+import android.test.AndroidTestCase;
+import android.test.MoreAsserts;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+import android.util.SparseArray;
+
 import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.UserHistoryDictIOUtils;
 import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.FusionDictionaryBufferInterface;
@@ -24,11 +30,6 @@ import com.android.inputmethod.latin.makedict.FusionDictionary.CharGroup;
 import com.android.inputmethod.latin.makedict.FusionDictionary.Node;
 import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
 
-import android.test.AndroidTestCase;
-import android.test.MoreAsserts;
-import android.util.Log;
-import android.util.SparseArray;
-
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -47,6 +48,7 @@ import java.util.Set;
 /**
  * Unit tests for BinaryDictInputOutput
  */
+@LargeTest
 public class BinaryDictIOTests extends AndroidTestCase {
     private static final String TAG = BinaryDictIOTests.class.getSimpleName();
     private static final int MAX_UNIGRAMS = 1000;
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
index 3185168450d30617c9cea6dbf6c1e371c15aca3e..25575baf0d466464b869fd8c2fe61a4df83f9f55 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
@@ -16,32 +16,30 @@
 
 package com.android.inputmethod.latin.makedict;
 
+import android.test.AndroidTestCase;
+import android.test.MoreAsserts;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+
 import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.ByteBufferWrapper;
-import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.CharEncoding;
 import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.FusionDictionaryBufferInterface;
 import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
 import com.android.inputmethod.latin.makedict.FusionDictionary.Node;
 import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
 
-import android.test.AndroidTestCase;
-import android.test.MoreAsserts;
-import android.util.Log;
-
 import java.io.BufferedOutputStream;
-import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.FileWriter;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.nio.channels.FileChannel;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Random;
 
+@LargeTest
 public class BinaryDictIOUtilsTests  extends AndroidTestCase {
     private static final String TAG = BinaryDictIOUtilsTests.class.getSimpleName();
     private static final FormatSpec.FormatOptions FORMAT_OPTIONS =
diff --git a/tests/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerServiceTest.java b/tests/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerServiceTest.java
index 21406d37081d9dd9f47eac61fbb7a4dc1b08855a..1ea6b2e98f2eb2e784ae23e4e1dd976facd26178 100644
--- a/tests/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerServiceTest.java
+++ b/tests/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerServiceTest.java
@@ -16,12 +16,12 @@
 
 package com.android.inputmethod.latin.spellcheck;
 
-import android.text.SpannableStringBuilder;
-import android.text.style.CharacterStyle;
+import android.test.suitebuilder.annotation.LargeTest;
 import android.text.style.SuggestionSpan;
 
 import com.android.inputmethod.latin.InputTestsBase;
 
+@LargeTest
 public class AndroidSpellCheckerServiceTest extends InputTestsBase {
     public void testSpellchecker() {
         mTextView.onAttachedToWindow();
diff --git a/tests/src/com/android/inputmethod/research/MotionEventReaderTests.java b/tests/src/com/android/inputmethod/research/MotionEventReaderTests.java
index c0eaaead4ac0dcda4d99aa6464ff8e30005f0730..e5b9bc0ce05da21bae4a6984821caf57aff625c6 100644
--- a/tests/src/com/android/inputmethod/research/MotionEventReaderTests.java
+++ b/tests/src/com/android/inputmethod/research/MotionEventReaderTests.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.research;
 
 import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
 import android.util.JsonReader;
 
 import com.android.inputmethod.research.MotionEventReader.ReplayData;
@@ -24,6 +25,7 @@ import com.android.inputmethod.research.MotionEventReader.ReplayData;
 import java.io.IOException;
 import java.io.StringReader;
 
+@SmallTest
 public class MotionEventReaderTests extends AndroidTestCase {
     private MotionEventReader mMotionEventReader = new MotionEventReader();
     private ReplayData mReplayData;