diff --git a/source/data/brkitr/brklocal.mk b/source/data/brkitr/brklocal.mk
index d9664b37..0855139b 100644
--- a/source/data/brkitr/brklocal.mk
+++ b/source/data/brkitr/brklocal.mk
@@ -34,14 +34,14 @@ BRK_RES_ALIAS_SOURCE = $(BRK_RES_SYNTHETIC_ALIAS)
 
 
 # List of dictionary files (dict).
-BRK_DICT_SOURCE = burmesedict.txt cjdict.txt khmerdict.txt laodict.txt\
+BRK_DICT_SOURCE = burmesedict.txt khmerdict.txt laodict.txt\
  thaidict.txt
 
 
 # List of break iterator files (brk).
 BRK_SOURCE = char.txt line.txt line_loose.txt line_loose_cj.txt\
  line_normal.txt line_normal_cj.txt sent.txt sent_el.txt title.txt\
- word.txt
+ word.txt word_ja.txt
 
 
 # Ordinary resources
diff --git a/source/data/brkitr/ja.txt b/source/data/brkitr/ja.txt
index 0048b118..c422c425 100644
--- a/source/data/brkitr/ja.txt
+++ b/source/data/brkitr/ja.txt
@@ -7,5 +7,6 @@ ja{
         line_loose:process(dependency){"line_loose_cj.brk"}
         line_normal:process(dependency){"line_normal_cj.brk"}
         line_strict:process(dependency){"line.brk"}
+        word:process(dependency){"word_ja.brk"}
     }
 }
diff --git a/source/data/brkitr/root.txt b/source/data/brkitr/root.txt
index cb87c7ff..ef60ab6f 100644
--- a/source/data/brkitr/root.txt
+++ b/source/data/brkitr/root.txt
@@ -13,9 +13,6 @@ root{
         word:process(dependency){"word.brk"}
     }
     dictionaries{
-        Hani:process(dependency){"cjdict.dict"}
-        Hira:process(dependency){"cjdict.dict"}
-        Kana:process(dependency){"cjdict.dict"}
         Khmr:process(dependency){"khmerdict.dict"}
         Laoo:process(dependency){"laodict.dict"}
         Mymr:process(dependency){"burmesedict.dict"}
diff --git a/source/data/brkitr/rules/word.txt b/source/data/brkitr/rules/word.txt
index 86977021..41a03ca0 100644
--- a/source/data/brkitr/rules/word.txt
+++ b/source/data/brkitr/rules/word.txt
@@ -68,11 +68,9 @@ $Control        = [\p{Grapheme_Cluster_Break = Control}];
 $HangulSyllable = [\uac00-\ud7a3];
 $ComplexContext = [:LineBreak = Complex_Context:];
 $KanaKanji      = [$Han $Hiragana $Katakana];
-$dictionaryCJK  = [$KanaKanji $HangulSyllable];
-$dictionary     = [$ComplexContext $dictionaryCJK];
+$dictionary     = [$ComplexContext];
 
-# leave CJK scripts out of ALetterPlus
-$ALetterPlus  = [$ALetter-$dictionaryCJK [$ComplexContext-$Extend-$Control]];
+$ALetterPlus  = [$ALetter [$ComplexContext-$Extend-$Control]];
 
 
 #
@@ -184,10 +182,6 @@ $ExtendNumLetEx  $KatakanaEx     {400};    #  (13b)
 #
 ^$Regional_IndicatorEx $Regional_IndicatorEx;
 
-# special handling for CJK characters: chain for later dictionary segmentation
-$HangulSyllable $HangulSyllable {200};
-$KanaKanji $KanaKanji {400}; # different rule status if both kana and kanji found 
-
 # Rule 999
 #     Match a single code point if no other rule applies.
 .;