diff --git a/Keishiki/ext/plf_colony b/Keishiki/ext/plf_colony
deleted file mode 160000
index fbc8483..0000000
--- a/Keishiki/ext/plf_colony
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fbc8483fb785c431dc4410396815abf886728c40