diff --git a/types/knockout/index.d.ts b/types/knockout/index.d.ts
index b3f3339177..62fe4e3e1c 100644
--- a/types/knockout/index.d.ts
+++ b/types/knockout/index.d.ts
@@ -567,9 +567,7 @@ interface KnockoutStatic {
 
         readValue(element: HTMLElement): any;
 
-        writeValue(element: HTMLElement, value: any): void;
-
-        writeValue(element: HTMLElement, value: any, allowUnset: boolean): void;
+        writeValue(element: HTMLElement, value: any,  allowUnset: boolean): void;
     };
 
     components: KnockoutComponents;