diff --git a/chatto/package.json b/chatto/package.json
deleted file mode 100644
index e972e5c..0000000
--- a/chatto/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "dependencies": {
-    "@types/sjcl": "^1.0.28"
-  }
-}
diff --git a/chatto/yarn.lock b/chatto/yarn.lock
deleted file mode 100644
index eec45f3..0000000
--- a/chatto/yarn.lock
+++ /dev/null
@@ -1,8 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-"@types/sjcl@^1.0.28":
-  version "1.0.28"
-  resolved "https://registry.yarnpkg.com/@types/sjcl/-/sjcl-1.0.28.tgz#4693eb6943e385e844a70fb25b4699db286c7214"
-  integrity sha1-RpPraUPjhehEpw+yW0aZ2yhschQ=