diff --git a/invokeai/frontend/src/global.d.ts b/invokeai/frontend/src/global.d.ts
deleted file mode 100644
index fd4d8fd28c..0000000000
--- a/invokeai/frontend/src/global.d.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-export {};
-
-declare global {
-  // Manual implementation of https://github.com/microsoft/TypeScript/issues/48829
-
-  interface Array<T> {
-    /**
-     * Returns the value of the last element in the array where predicate is true, and undefined
-     * otherwise.
-     * @param predicate findLast calls predicate once for each element of the array, in descending
-     * order, until it finds one where predicate returns true. If such an element is found, findLast
-     * immediately returns that element value. Otherwise, findLast returns undefined.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
-    findLast<S extends T>(
-      predicate: (this: void, value: T, index: number, obj: T[]) => value is S,
-      thisArg?: unknown
-    ): S | undefined;
-    findLast(
-      predicate: (value: T, index: number, obj: T[]) => unknown,
-      thisArg?: unknown
-    ): T | undefined;
-
-    /**
-     * Returns the index of the last element in the array where predicate is true, and -1
-     * otherwise.
-     * @param predicate findLastIndex calls predicate once for each element of the array, in descending
-     * order, until it finds one where predicate returns true. If such an element is found,
-     * findLastIndex immediately returns that element index. Otherwise, findLastIndex returns -1.
-     * @param thisArg If provided, it will be used as the this value for each invocation of
-     * predicate. If it is not provided, undefined is used instead.
-     */
-    findLastIndex(
-      predicate: (value: T, index: number, obj: T[]) => unknown,
-      thisArg?: unknown
-    ): number;
-  }
-}