diff --git a/ja/build.go b/ja/build.go
deleted file mode 120000
index 8228b893..00000000
--- a/ja/build.go
+++ /dev/null
@@ -1 +0,0 @@
-../../ebook/build.go
\ No newline at end of file
diff --git a/ja/build.sh b/ja/build.sh
deleted file mode 120000
index a100c8e3..00000000
--- a/ja/build.sh
+++ /dev/null
@@ -1 +0,0 @@
-../../ebook/build.sh
\ No newline at end of file