diff --git a/types/tern/index.d.ts b/types/tern/index.d.ts
index ae5a793383..7ef634e6a6 100644
--- a/types/tern/index.d.ts
+++ b/types/tern/index.d.ts
@@ -13,4 +13,3 @@
 
 export * from "./lib/infer";
 export * from "./lib/tern";
-
diff --git a/types/tern/lib/infer/index.d.ts b/types/tern/lib/infer/index.d.ts
index 25bb7ab0d9..b8cc01e68f 100644
--- a/types/tern/lib/infer/index.d.ts
+++ b/types/tern/lib/infer/index.d.ts
@@ -193,7 +193,7 @@ export interface Constraint extends AVal {
 
 // #### Scopes ####
 interface ScopeConstructor {
-    new(parent?: Scope): Scope;
+    new(): Scope;
     new(parent: Scope, originNode: ESTree.Node): Scope;
 }
 export const Scope: ScopeConstructor;