diff --git a/.lgtm b/.lgtm
deleted file mode 100644
index ddb0d9772..000000000
--- a/.lgtm
+++ /dev/null
@@ -1,2 +0,0 @@
-approvals = 1
-pattern = "(?i)LGTM"
diff --git a/MAINTAINERS b/MAINTAINERS
deleted file mode 100644
index 0acd1549e..000000000
--- a/MAINTAINERS
+++ /dev/null
@@ -1 +0,0 @@
-hajimehoshi <hajimehoshi@gmail.com>