diff --git a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
index 004665a..c0b858e 100644
--- a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
+++ b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
@@ -43,9 +43,8 @@
 
 static void releaseDictBuf(const void *dictBuf, const size_t length, const int fd);
 
-static jlong latinime_BinaryDictionary_open(JNIEnv *env, jobject object,
-        jstring sourceDir, jlong dictOffset, jlong dictSize, jint fullWordMultiplier,
-        jint maxWordLength, jint maxWords, jint maxPredictions) {
+static jlong latinime_BinaryDictionary_open(JNIEnv *env, jobject object, jstring sourceDir,
+        jlong dictOffset, jlong dictSize, jint maxWordLength, jint maxWords, jint maxPredictions) {
     PROF_OPEN;
     PROF_START(66);
     const jsize sourceDirUtf8Length = env->GetStringUTFLength(sourceDir);
@@ -119,8 +118,8 @@
         releaseDictBuf(dictBuf, 0, 0);
 #endif // USE_MMAP_FOR_DICTIONARY
     } else {
-        dictionary = new Dictionary(dictBuf, static_cast<int>(dictSize), fd, adjust,
-                fullWordMultiplier, maxWordLength, maxWords, maxPredictions);
+        dictionary = new Dictionary(dictBuf, static_cast<int>(dictSize), fd, adjust, maxWordLength,
+                maxWords, maxPredictions);
     }
     PROF_END(66);
     PROF_CLOSE;
@@ -272,7 +271,7 @@
 }
 
 static JNINativeMethod sMethods[] = {
-    {"openNative", "(Ljava/lang/String;JJIIII)J",
+    {"openNative", "(Ljava/lang/String;JJIII)J",
             reinterpret_cast<void *>(latinime_BinaryDictionary_open)},
     {"closeNative", "(J)V", reinterpret_cast<void *>(latinime_BinaryDictionary_close)},
     {"getSuggestionsNative", "(JJJ[I[I[I[I[IIIZ[IZ[I[I[I[I)I",
diff --git a/native/jni/src/dictionary.cpp b/native/jni/src/dictionary.cpp
index 5fbe046..963ba46 100644
--- a/native/jni/src/dictionary.cpp
+++ b/native/jni/src/dictionary.cpp
@@ -29,13 +29,13 @@
 namespace latinime {
 
 // TODO: Change the type of all keyCodes to uint32_t
-Dictionary::Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust,
-        int fullWordMultiplier, int maxWordLength, int maxWords, int maxPredictions)
+Dictionary::Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int maxWordLength,
+        int maxWords, int maxPredictions)
         : mDict(static_cast<unsigned char *>(dict)),
           mOffsetDict((static_cast<unsigned char *>(dict)) + BinaryFormat::getHeaderSize(mDict)),
           mDictSize(dictSize), mMmapFd(mmapFd), mDictBufAdjust(dictBufAdjust),
-          mUnigramDictionary(new UnigramDictionary(mOffsetDict, fullWordMultiplier, maxWordLength,
-                  maxWords, BinaryFormat::getFlags(mDict))),
+          mUnigramDictionary(new UnigramDictionary(mOffsetDict, maxWordLength, maxWords,
+                  BinaryFormat::getFlags(mDict))),
           mBigramDictionary(new BigramDictionary(mOffsetDict, maxWordLength, maxPredictions)),
           mGestureDecoder(new GestureDecoderWrapper(maxWordLength, maxWords)) {
     if (DEBUG_DICT) {
diff --git a/native/jni/src/dictionary.h b/native/jni/src/dictionary.h
index 2ca00ab..dd97e9a 100644
--- a/native/jni/src/dictionary.h
+++ b/native/jni/src/dictionary.h
@@ -41,8 +41,8 @@
     const static int KIND_SHORTCUT = 7; // A shortcut
     const static int KIND_PREDICTION = 8; // A prediction (== a suggestion with no input)
 
-    Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int fullWordMultiplier,
-            int maxWordLength, int maxWords, int maxPredictions);
+    Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int maxWordLength,
+            int maxWords, int maxPredictions);
 
     int getSuggestions(ProximityInfo *proximityInfo, void *traverseSession, int *xcoordinates,
             int *ycoordinates, int *times, int *pointerIds, int *codes, int codesSize,
diff --git a/native/jni/src/unigram_dictionary.cpp b/native/jni/src/unigram_dictionary.cpp
index d134a47..def4a5b 100644
--- a/native/jni/src/unigram_dictionary.cpp
+++ b/native/jni/src/unigram_dictionary.cpp
@@ -41,10 +41,9 @@
         { 'o', 'e', 0x0153 } }; // U+0153 : LATIN SMALL LIGATURE OE
 
 // TODO: check the header
-UnigramDictionary::UnigramDictionary(const uint8_t *const streamStart, int fullWordMultiplier,
-        int maxWordLength, int maxWords, const unsigned int flags)
+UnigramDictionary::UnigramDictionary(const uint8_t *const streamStart, int maxWordLength,
+        int maxWords, const unsigned int flags)
         : DICT_ROOT(streamStart), MAX_WORD_LENGTH(maxWordLength), MAX_WORDS(maxWords),
-          FULL_WORD_MULTIPLIER(fullWordMultiplier), // TODO : remove this variable.
           ROOT_POS(0), MAX_DIGRAPH_SEARCH_DEPTH(DEFAULT_MAX_DIGRAPH_SEARCH_DEPTH), FLAGS(flags) {
     if (DEBUG_DICT) {
         AKLOGI("UnigramDictionary - constructor");
diff --git a/native/jni/src/unigram_dictionary.h b/native/jni/src/unigram_dictionary.h
index 248b09d..3162e46 100644
--- a/native/jni/src/unigram_dictionary.h
+++ b/native/jni/src/unigram_dictionary.h
@@ -39,8 +39,8 @@
     static const int FLAG_MULTIPLE_SUGGEST_ABORT = 0;
     static const int FLAG_MULTIPLE_SUGGEST_SKIP = 1;
     static const int FLAG_MULTIPLE_SUGGEST_CONTINUE = 2;
-    UnigramDictionary(const uint8_t *const streamStart, int fullWordMultiplier, int maxWordLength,
-            int maxWords, const unsigned int flags);
+    UnigramDictionary(const uint8_t *const streamStart, int maxWordLength, int maxWords,
+            const unsigned int flags);
     int getFrequency(const int *const inWord, const int length) const;
     int getBigramPosition(int pos, int *word, int offset, int length) const;
     int getSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
@@ -114,7 +114,6 @@
     const uint8_t *const DICT_ROOT;
     const int MAX_WORD_LENGTH;
     const int MAX_WORDS;
-    const int FULL_WORD_MULTIPLIER;
     const int ROOT_POS;
     const int MAX_DIGRAPH_SEARCH_DEPTH;
     const int FLAGS;