diff --git a/lib/types.js b/lib/types.js
index a5211c0e89..8926e27e2f 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -1727,4 +1727,8 @@ declare module "babel-types" {
   declare function isTSType(node: Object, opts?: Object): boolean;
   declare function isNumberLiteral(node: Object, opts?: Object): boolean;
   declare function isRegexLiteral(node: Object, opts?: Object): boolean;
+  declare function clone<T>(n: T): T;
+  declare function cloneDeep<T>(n: T): T;
+  declare function removeProperties<T>(n: T, opts: ?{}): void;
+  declare function removePropertiesDeep<T>(n: T, opts: ?{}): T;
 }
diff --git a/scripts/generate-interfaces.js b/scripts/generate-interfaces.js
index 49c796d497..3777bd114d 100644
--- a/scripts/generate-interfaces.js
+++ b/scripts/generate-interfaces.js
@@ -129,6 +129,13 @@ for (let i = 0; i < t.TYPES.length; i++) {
   );
 }
 
+lines.push(
+  `declare function clone<T>(n: T): T;`,
+  `declare function cloneDeep<T>(n: T): T;`,
+  `declare function removeProperties<T>(n: T, opts: ?{}): void;`,
+  `declare function removePropertiesDeep<T>(n: T, opts: ?{}): T;`
+);
+
 for (const type in t.FLIPPED_ALIAS_KEYS) {
   const types = t.FLIPPED_ALIAS_KEYS[type];
   code += `type ${NODE_PREFIX}${type} = ${types