diff --git a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
index 555a522..4b61c14 100644
--- a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
+++ b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
@@ -131,7 +131,6 @@
     Dictionary *dictionary = (Dictionary*)dict;
     if (!dictionary) return 0;
     ProximityInfo *pInfo = (ProximityInfo*)proximityInfo;
-    if (!pInfo) return 0;
 
     int *xCoordinates = env->GetIntArrayElements(xCoordinatesArray, NULL);
     int *yCoordinates = env->GetIntArrayElements(yCoordinatesArray, NULL);
diff --git a/native/src/dictionary.cpp b/native/src/dictionary.cpp
index d69cb2a..d9ef8f3 100644
--- a/native/src/dictionary.cpp
+++ b/native/src/dictionary.cpp
@@ -53,7 +53,7 @@
     return ((mDict[1] & 0xFF) == 1);
 }
 
-// TODO: use uint16_t instead of unsigned short
+// TODO: use uint32_t instead of unsigned short
 bool Dictionary::isValidWord(unsigned short *word, int length) {
     if (IS_LATEST_DICT_VERSION) {
         return (isValidWordRec(DICTIONARY_HEADER_SIZE, word, 0, length) != NOT_VALID_WORD);
diff --git a/native/src/unigram_dictionary.cpp b/native/src/unigram_dictionary.cpp
index 0930b8e..e49e95b 100644
--- a/native/src/unigram_dictionary.cpp
+++ b/native/src/unigram_dictionary.cpp
@@ -233,7 +233,7 @@
     PROF_END(5);
 
     PROF_START(6);
-    if (SUGGEST_WORDS_WITH_SPACE_PROXIMITY) {
+    if (SUGGEST_WORDS_WITH_SPACE_PROXIMITY && proximityInfo) {
         // The first and last "mistyped spaces" are taken care of by excessive character handling
         for (int i = 1; i < codesSize - 1; ++i) {
             if (DEBUG_DICT) {