diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 5603b3f..f44e632 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -108,7 +108,7 @@
 
     @Override
     public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
-            final CharSequence previousWord, final WordCallback callback) {
+            final CharSequence previousWord) {
         if (mNativeDict == 0) return null;
 
         int[] codePoints = StringUtils.toCodePointArray(previousWord.toString());
diff --git a/java/src/com/android/inputmethod/latin/Dictionary.java b/java/src/com/android/inputmethod/latin/Dictionary.java
index e999e5c..e6d3cfb 100644
--- a/java/src/com/android/inputmethod/latin/Dictionary.java
+++ b/java/src/com/android/inputmethod/latin/Dictionary.java
@@ -70,15 +70,13 @@
             final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo);
 
     /**
-     * Searches for pairs in the bigram dictionary that matches the previous word and all the
-     * possible words following are added through the callback object.
+     * Searches for pairs in the bigram dictionary that matches the previous word.
      * @param composer the key sequence to match
      * @param previousWord the word before
-     * @param callback the callback object to send possible word following previous word
      * @return the list of suggestions
      */
     public abstract ArrayList<SuggestedWordInfo> getBigrams(final WordComposer composer,
-            final CharSequence previousWord, final WordCallback callback);
+            final CharSequence previousWord);
 
     /**
      * Checks if the given word occurs in the dictionary
diff --git a/java/src/com/android/inputmethod/latin/DictionaryCollection.java b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
index 0a2f5aa..169e707 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryCollection.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
@@ -72,18 +72,18 @@
 
     @Override
     public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer composer,
-            final CharSequence previousWord, final WordCallback callback) {
+            final CharSequence previousWord) {
         final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
         if (dictionaries.isEmpty()) return null;
         // To avoid creating unnecessary objects, we get the list out of the first
         // dictionary and add the rest to it if not null, hence the get(0)
         ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getBigrams(composer,
-                previousWord, callback);
+                previousWord);
         if (null == suggestions) suggestions = new ArrayList<SuggestedWordInfo>();
         final int length = dictionaries.size();
         for (int i = 0; i < length; ++ i) {
             final ArrayList<SuggestedWordInfo> sugg =
-                    dictionaries.get(i).getBigrams(composer, previousWord, callback);
+                   dictionaries.get(i).getBigrams(composer, previousWord);
             if (null != sugg) suggestions.addAll(sugg);
         }
         return suggestions;
diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index 4cb4c14..c076fa0 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -219,17 +219,17 @@
 
     @Override
     public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
-            final CharSequence previousWord, final WordCallback callback) {
+            final CharSequence previousWord) {
         asyncReloadDictionaryIfRequired();
-        return getBigramsInner(codes, previousWord, callback);
+        return getBigramsInner(codes, previousWord);
     }
 
     protected ArrayList<SuggestedWordInfo> getBigramsInner(final WordComposer codes,
-            final CharSequence previousWord, final WordCallback callback) {
+            final CharSequence previousWord) {
         if (mLocalDictionaryController.tryLock()) {
             try {
                 if (mBinaryDictionary != null) {
-                    return mBinaryDictionary.getBigrams(codes, previousWord, callback);
+                    return mBinaryDictionary.getBigrams(codes, previousWord);
                 }
             } finally {
                 mLocalDictionaryController.unlock();
diff --git a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
index 653fb76..f19d77b 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
@@ -612,7 +612,7 @@
 
     @Override
     public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
-            final CharSequence previousWord, final WordCallback callback) {
+            final CharSequence previousWord) {
         if (!reloadDictionaryIfRequired()) {
             final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
             runBigramReverseLookUp(previousWord, suggestions);
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index 29ecbe9..3729c99 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -263,10 +263,9 @@
                     final int dicTypeId = sDictKeyToDictIndex.get(key);
                     final Dictionary dictionary = mBigramDictionaries.get(key);
                     final ArrayList<SuggestedWordInfo> suggestions =
-                            dictionary.getBigrams(wordComposer, prevWordForBigram, this);
+                            dictionary.getBigrams(wordComposer, prevWordForBigram);
                     if (null != lowerPrevWord) {
-                        suggestions.addAll(dictionary.getBigrams(wordComposer, lowerPrevWord,
-                                this));
+                        suggestions.addAll(dictionary.getBigrams(wordComposer, lowerPrevWord));
                     }
                     for (final SuggestedWordInfo suggestion : suggestions) {
                         final String suggestionStr = suggestion.mWord.toString();
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index acaf3d2..129f74f 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -789,7 +789,7 @@
                     dictInfo = mDictionaryPool.takeOrGetNull();
                     if (null == dictInfo) return getNotInDictEmptySuggestions();
                     final ArrayList<SuggestedWordInfo> suggestions = dictInfo.mDictionary.getWords(
-                            composer, prevWord, suggestionsGatherer, dictInfo.mProximityInfo);
+                            composer, prevWord, dictInfo.mProximityInfo);
                     for (final SuggestedWordInfo suggestion : suggestions) {
                         final String suggestionStr = suggestion.mWord.toString();
                         suggestionsGatherer.oldAddWord(suggestionStr.toCharArray(), null, 0,