diff --git a/src/babel/transformation/templates/helper-ludicrous-in.js b/src/babel/transformation/templates/helper-ludicrous-in.js
deleted file mode 100644
index 80348f0da7..0000000000
--- a/src/babel/transformation/templates/helper-ludicrous-in.js
+++ /dev/null
@@ -1 +0,0 @@
-Object(RIGHT)[LEFT] !== undefined;
diff --git a/src/babel/transformation/templates/helper-ludicrous-proxy-create.js b/src/babel/transformation/templates/helper-ludicrous-proxy-create.js
deleted file mode 100644
index 8ecc6af771..0000000000
--- a/src/babel/transformation/templates/helper-ludicrous-proxy-create.js
+++ /dev/null
@@ -1,4 +0,0 @@
-(function (proxy, directory) {
-  directory.push(proxy);
-  return proxy;
-})
diff --git a/src/babel/transformation/templates/helper-ludicrous-proxy-directory.js b/src/babel/transformation/templates/helper-ludicrous-proxy-directory.js
deleted file mode 100644
index 5e1ab7855e..0000000000
--- a/src/babel/transformation/templates/helper-ludicrous-proxy-directory.js
+++ /dev/null
@@ -1 +0,0 @@
-[];
diff --git a/src/babel/transformation/transformers/other/ludicrous.js b/src/babel/transformation/transformers/other/ludicrous.js
deleted file mode 100644
index d2c56bb118..0000000000
--- a/src/babel/transformation/transformers/other/ludicrous.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import * as t from "../../../types";
-import * as util from "../../../util";
-
-export var metadata = {
-  optional: true
-};
-
-// foo in bar
-export function BinaryExpression(node) {
-  if (node.operator === "in") {
-    return util.template("ludicrous-in", {
-      LEFT: node.left,
-      RIGHT: node.right
-    });
-  }
-}
-
-// { 1: "foo" }
-export function Property(node) {
-  var key = node.key;
-  if (t.isLiteral(key) && typeof key.value === "number") {
-    key.value = "" + key.value;
-  }
-}
-
-// /foobar/g
-export function Literal(node) {
-  if (node.regex) {
-    node.regex.pattern = "foobar";
-    node.regex.flags = "";
-  }
-}
-
-// foo.bar
-export function MemberExpression(node) {
-
-}
-
-// Object.setPrototypeOf
-// Object.preventExtensions
-// Object.keys
-// Object.isExtensible
-// Object.getOwnPropertyDescriptor
-// Object.defineProperty
-export function CallExpression(node) {
-
-}
-
-// delete foo.bar
-export function UnaryExpression(node) {
-
-}
-
-// foo.bar = bar;
-export function AssignmentExpression(node) {
-
-}
-
-// new Proxy
-export function NewExpression(node, parent, scope, file) {
-  if (this.get("callee").isIdentifier({ name: "Proxy" })) {
-    return t.callExpression(file.addHelper("proxy-create"), [node.arguments[0], file.addHelper("proxy-directory")]);
-  } else {
-    // possible proxy constructor
-  }
-}