diff --git a/org.w3c.dom.fragment/bin/.hgignore b/org.w3c.dom.fragment/bin/.hgignore
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/org.w3c.dom.fragment/src/.hgignore b/org.w3c.dom.fragment/src/.hgignore
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/org.zkoss.zk.library/lib/src/.hgignore b/org.zkoss.zk.library/lib/src/.hgignore
deleted file mode 100644
index e69de29bb2..0000000000