diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index 0e9c14e..0def53e 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -30,6 +30,7 @@
 LATINIME_BASE_SOURCE_DIRECTORY := $(LATINIME_LOCAL_DIR)/java/src/com/android/inputmethod
 LATINIME_ANNOTATIONS_SOURCE_DIRECTORY := $(LATINIME_BASE_SOURCE_DIRECTORY)/annotations
 MAKEDICT_CORE_SOURCE_DIRECTORY := $(LATINIME_BASE_SOURCE_DIRECTORY)/latin/makedict
+LATINIME_TESTS_SOURCE_DIRECTORY := $(LATINIME_LOCAL_DIR)/tests/src/com/android/inputmethod/latin
 
 # Dependencies for Dicttool. Most of these files are needed by BinaryDictionary.java. Note that
 # a significant part of the dependencies are mocked in the compat/ directory, with empty or
@@ -47,7 +48,6 @@
         latin/WordComposer.java \
         latin/settings/NativeSuggestOptions.java \
         latin/utils/BinaryDictionaryUtils.java \
-        latin/utils/ByteArrayDictBuffer.java \
         latin/utils/CollectionUtils.java \
         latin/utils/CombinedFormatUtils.java \
         latin/utils/CoordinateUtils.java \
@@ -56,8 +56,13 @@
         latin/utils/LocaleUtils.java \
         latin/utils/ResizableIntArray.java \
         latin/utils/StringUtils.java
-USED_TARGETED_SRCS := $(addprefix $(LATINIME_BASE_SOURCE_DIRECTORY)/, \
-        $(LATINIME_SRCS_FOR_DICTTOOL))
+
+LATINIME_TEST_SRCS_FOR_DICTTOOL := \
+        utils/ByteArrayDictBuffer.java
+
+USED_TARGETED_SRCS := \
+        $(addprefix $(LATINIME_BASE_SOURCE_DIRECTORY)/, $(LATINIME_SRCS_FOR_DICTTOOL)) \
+        $(addprefix $(LATINIME_TESTS_SOURCE_DIRECTORY)/, $(LATINIME_TEST_SRCS_FOR_DICTTOOL))
 
 DICTTOOL_ONDEVICE_TESTS_DIRECTORY := \
         $(LATINIME_LOCAL_DIR)/tests/src/com/android/inputmethod/latin/makedict/
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
index e31ac2a..f9771c8 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin.dicttool;
 
 import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils;
+import com.android.inputmethod.latin.makedict.BinaryDictIOUtils;
 import com.android.inputmethod.latin.makedict.DictDecoder;
 import com.android.inputmethod.latin.makedict.FormatSpec;
 import com.android.inputmethod.latin.makedict.FusionDictionary;
@@ -191,8 +192,9 @@
                     return CombinedInputOutput.readDictionaryCombined(
                             new BufferedInputStream(new FileInputStream(decodedSpec.mFile)));
                 } else {
-                    final DictDecoder dictDecoder = FormatSpec.getDictDecoder(decodedSpec.mFile,
-                            0, decodedSpec.mFile.length(), DictDecoder.USE_BYTEARRAY);
+                    final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(
+                            decodedSpec.mFile, 0, decodedSpec.mFile.length(),
+                            DictDecoder.USE_BYTEARRAY);
                     if (report) {
                         System.out.println("Format : Binary dictionary format");
                         System.out.println("Packaging : " + decodedSpec.describeChain());
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 68d7850..8e8ab19 100644
--- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
+++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin.dicttool;
 
 import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils;
+import com.android.inputmethod.latin.makedict.BinaryDictIOUtils;
 import com.android.inputmethod.latin.makedict.DictDecoder;
 import com.android.inputmethod.latin.makedict.DictEncoder;
 import com.android.inputmethod.latin.makedict.FormatSpec;
@@ -264,7 +265,7 @@
     private static FusionDictionary readBinaryFile(final String binaryFilename)
             throws FileNotFoundException, IOException, UnsupportedFormatException {
         final File file = new File(binaryFilename);
-        final DictDecoder dictDecoder = FormatSpec.getDictDecoder(file, 0, file.length());
+        final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(file, 0, file.length());
         return dictDecoder.readDictionaryBinary(false /* deleteDictIfBroken */);
     }
 
diff --git a/tools/dicttool/src/com/android/inputmethod/latin/makedict/MakedictLog.java b/tools/dicttool/src/com/android/inputmethod/latin/makedict/MakedictLog.java
deleted file mode 100644
index 7eccff2..0000000
--- a/tools/dicttool/src/com/android/inputmethod/latin/makedict/MakedictLog.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package com.android.inputmethod.latin.makedict;
-
-/**
- * Wrapper to redirect log events to the right output medium.
- */
-public class MakedictLog {
-    public static final boolean DBG = true;
-
-    private static void print(String message) {
-        System.out.println(message);
-    }
-
-    public static void d(String message) {
-        print(message);
-    }
-
-    public static void i(String message) {
-        print(message);
-    }
-
-    public static void w(String message) {
-        print(message);
-    }
-
-    public static void e(String message) {
-        print(message);
-    }
-}
diff --git a/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java b/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java
index a3095da..4f1273b 100644
--- a/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java
+++ b/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java
@@ -16,6 +16,8 @@
 
 package com.android.inputmethod.latin.dicttool;
 
+import com.android.inputmethod.latin.Dictionary;
+import com.android.inputmethod.latin.makedict.BinaryDictIOUtils;
 import com.android.inputmethod.latin.makedict.DictDecoder;
 import com.android.inputmethod.latin.makedict.DictEncoder;
 import com.android.inputmethod.latin.makedict.DictionaryHeader;
@@ -77,7 +79,7 @@
             assertEquals("Wrong decode spec", BinaryDictOffdeviceUtils.COMPRESSION, step);
         }
         assertEquals("Wrong decode spec", 3, decodeSpec.mDecoderSpec.size());
-        final DictDecoder dictDecoder = FormatSpec.getDictDecoder(decodeSpec.mFile, 0,
+        final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(decodeSpec.mFile, 0,
                 decodeSpec.mFile.length());
         final FusionDictionary resultDict =
                 dictDecoder.readDictionaryBinary(false /* deleteDictIfBroken */);