diff --git a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
index f23fe46..2f6f194 100644
--- a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
+++ b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
@@ -188,7 +188,6 @@
     // us to change the format during development while having testing devices remove
     // older files with each upgrade, while still having a readable versioning scheme.
     public static final int VERSION2 = 2;
-    public static final int VERSION3 = 3;
     public static final int VERSION4 = 400;
     static final int MINIMUM_SUPPORTED_VERSION = VERSION2;
     static final int MAXIMUM_SUPPORTED_VERSION = VERSION4;
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java
index 6655442..e543042 100644
--- a/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java
+++ b/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java
@@ -68,7 +68,7 @@
     @Override
     public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
             throws IOException, UnsupportedFormatException {
-        if (formatOptions.mVersion > FormatSpec.VERSION3) {
+        if (formatOptions.mVersion > FormatSpec.VERSION2) {
             throw new UnsupportedFormatException(
                     "The given format options has wrong version number : "
                     + formatOptions.mVersion);
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
index a746f99..8eaee4d 100644
--- a/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
+++ b/java/src/com/android/inputmethod/latin/makedict/Ver4DictEncoder.java
@@ -56,7 +56,8 @@
         }
         if (!BinaryDictionary.createEmptyDictFile(mDictPlacedDir.getAbsolutePath(),
                 FormatSpec.VERSION4, dict.mOptions.mAttributes)) {
-            throw new IOException("Cannot create dictionary file");
+            throw new IOException("Cannot create dictionary file : "
+                + mDictPlacedDir.getAbsolutePath());
         }
         final BinaryDictionary binaryDict = new BinaryDictionary(mDictPlacedDir.getAbsolutePath(),
                 0l, mDictPlacedDir.length(), true /* useFullEditDistance */,
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
index aff045c..f52f5e7 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
@@ -169,8 +169,7 @@
         long now = -1, diff = -1;
 
         try {
-            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions,
-                    getContext().getCacheDir());
+            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions);
 
             now = System.currentTimeMillis();
             // If you need to dump the dict to a textual file, uncomment the line below and the
@@ -316,7 +315,7 @@
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
@@ -331,7 +330,7 @@
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
@@ -390,8 +389,6 @@
 
     private long timeAndCheckReadUnigramsAndBigramsBinary(final File file, final List<String> words,
             final SparseArray<List<Integer>> bigrams, final int bufferType) {
-        FileInputStream inStream = null;
-
         final TreeMap<Integer, String> resultWords = CollectionUtils.newTreeMap();
         final TreeMap<Integer, ArrayList<PendingAttribute>> resultBigrams =
                 CollectionUtils.newTreeMap();
@@ -407,14 +404,6 @@
             Log.e(TAG, "IOException", e);
         } catch (UnsupportedFormatException e) {
             Log.e(TAG, "UnsupportedFormatException", e);
-        } finally {
-            if (inStream != null) {
-                try {
-                    inStream.close();
-                } catch (IOException e) {
-                    // do nothing
-                }
-            }
         }
 
         checkWordMap(words, bigrams, resultWords, resultFreqs, resultBigrams);
@@ -461,7 +450,7 @@
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
@@ -476,7 +465,7 @@
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
@@ -590,14 +579,14 @@
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_ARRAY,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_ARRAY,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION2_OPTIONS);
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_BUFFER,
-                BinaryDictUtils.VERSION3_OPTIONS);
+                BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_BUFFER,
                 BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
 
@@ -633,6 +622,7 @@
     }
 
     public void testDeleteWord() throws IOException, UnsupportedFormatException {
-        runTestDeleteWord(BinaryDictUtils.VERSION3_OPTIONS);
+        runTestDeleteWord(BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
+        runTestDeleteWord(BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
     }
 }
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
index ba1b6b3..9ed50c4 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java
@@ -237,8 +237,7 @@
         dict.add("abcd", 10, null, false);
 
         try {
-            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions,
-                    getContext().getCacheDir());
+            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions);
             dictEncoder.writeDictionary(dict, formatOptions);
         } catch (IOException e) {
             fail("IOException while writing an initial dictionary : " + e);
@@ -289,7 +288,6 @@
     }
 
     public void testInsertWord() {
-        runTestInsertWord(BinaryDictUtils.VERSION3_OPTIONS);
         runTestInsertWord(BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runTestInsertWord(BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
     }
@@ -307,8 +305,7 @@
         dict.add("efgh", 15, null, false);
 
         try {
-            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions,
-                    getContext().getCacheDir());
+            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions);
             dictEncoder.writeDictionary(dict, formatOptions);
         } catch (IOException e) {
             fail("IOException while writing an initial dictionary : " + e);
@@ -330,7 +327,6 @@
     }
 
     public void testInsertWordWithBigrams() {
-        runTestInsertWordWithBigrams(BinaryDictUtils.VERSION3_OPTIONS);
         runTestInsertWordWithBigrams(BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runTestInsertWordWithBigrams(BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
     }
@@ -347,8 +343,7 @@
         dict.add("initial", 10, null, false);
 
         try {
-            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions,
-                    getContext().getCacheDir());
+            final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions);
             dictEncoder.writeDictionary(dict, formatOptions);
         } catch (IOException e) {
             assertTrue(false);
@@ -379,7 +374,6 @@
     }
 
     public void testRandomWords() {
-        runTestRandomWords(BinaryDictUtils.VERSION3_OPTIONS);
         runTestRandomWords(BinaryDictUtils.VERSION4_OPTIONS_WITHOUT_TIMESTAMP);
         runTestRandomWords(BinaryDictUtils.VERSION4_OPTIONS_WITH_TIMESTAMP);
     }
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictUtils.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictUtils.java
index a568704..67d77e0 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictUtils.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictUtils.java
@@ -31,8 +31,6 @@
 
     public static final FormatSpec.FormatOptions VERSION2_OPTIONS =
             new FormatSpec.FormatOptions(FormatSpec.VERSION2);
-    public static final FormatSpec.FormatOptions VERSION3_OPTIONS =
-            new FormatSpec.FormatOptions(FormatSpec.VERSION3);
     public static final FormatSpec.FormatOptions VERSION4_OPTIONS_WITHOUT_TIMESTAMP =
             new FormatSpec.FormatOptions(FormatSpec.VERSION4, false /* hasTimestamp */);
     public static final FormatSpec.FormatOptions VERSION4_OPTIONS_WITH_TIMESTAMP =
@@ -48,8 +46,7 @@
 
     public static File getDictFile(final String name, final String version,
             final FormatOptions formatOptions, final File directory) {
-        if (formatOptions.mVersion == FormatSpec.VERSION2
-                || formatOptions.mVersion == FormatSpec.VERSION3) {
+        if (formatOptions.mVersion == FormatSpec.VERSION2) {
             return new File(directory, name + "." + version + TEST_DICT_FILE_EXTENSION);
         } else if (formatOptions.mVersion == FormatSpec.VERSION4) {
             return new File(directory, name + "." + version);
@@ -59,12 +56,13 @@
         }
     }
 
-    public static DictEncoder getDictEncoder(final File file, final FormatOptions formatOptions,
-            final File cacheDir) {
+    public static DictEncoder getDictEncoder(final File file, final FormatOptions formatOptions) {
         if (formatOptions.mVersion == FormatSpec.VERSION4) {
-            return new Ver4DictEncoder(cacheDir);
-        } else if (formatOptions.mVersion == FormatSpec.VERSION3
-                || formatOptions.mVersion == FormatSpec.VERSION2) {
+            if (!file.isDirectory()) {
+                file.mkdir();
+            }
+            return new Ver4DictEncoder(file);
+        } else if (formatOptions.mVersion == FormatSpec.VERSION2) {
             return new Ver2DictEncoder(file);
         } else {
             throw new RuntimeException("The format option has a wrong version : "
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
index eb419fc..143bce5 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
@@ -46,7 +46,6 @@
 
     static class Arguments {
         private static final String OPTION_VERSION_2 = "-2";
-        private static final String OPTION_VERSION_3 = "-3";
         private static final String OPTION_VERSION_4 = "-4";
         private static final String OPTION_INPUT_SOURCE = "-s";
         private static final String OPTION_INPUT_BIGRAM_XML = "-b";
@@ -158,8 +157,6 @@
                 if (arg.charAt(0) == '-') {
                     if (OPTION_VERSION_2.equals(arg)) {
                         // Do nothing, this is the default
-                    } else if (OPTION_VERSION_3.equals(arg)) {
-                        outputBinaryFormatVersion = FormatSpec.VERSION3;
                     } else if (OPTION_VERSION_4.equals(arg)) {
                         outputBinaryFormatVersion = FormatSpec.VERSION4;
                     } else if (OPTION_HELP.equals(arg)) {