diff --git a/extend-expect.d.ts b/extend-expect.d.ts
deleted file mode 100644
index 98bbf5af..00000000
--- a/extend-expect.d.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-declare namespace jest {
-  interface Matchers<R, T> {
-    /**
-     * @deprecated
-     */
-    toBeInTheDOM(container?: HTMLElement | SVGElement): R
-    toBeInTheDocument(): R
-    toBeVisible(): R
-    toBeEmpty(): R
-    toBeDisabled(): R
-    toBeEnabled(): R
-    toBeInvalid(): R
-    toBeRequired(): R
-    toBeValid(): R
-    toContainElement(element: HTMLElement | SVGElement | null): R
-    toContainHTML(htmlText: string): R
-    toHaveAttribute(attr: string, value?: any): R
-    toHaveClass(...classNames: string[]): R
-    toHaveFocus(): R
-    toHaveFormValues(expectedValues: {[name: string]: any}): R
-    toHaveStyle(css: string): R
-    toHaveTextContent(
-      text: string | RegExp,
-      options?: {normalizeWhitespace: boolean},
-    ): R
-    toHaveValue(value?: string | string[] | number): R
-    toBeChecked(): R
-  }
-}