diff --git a/srcts/types/src/shiny/sendWindowSize.d.ts b/srcts/types/src/shiny/sendWindowSize.d.ts
deleted file mode 100644
index 5b0189351..000000000
--- a/srcts/types/src/shiny/sendWindowSize.d.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import type { InputBatchSender } from "../inputPolicies";
-import { Debouncer } from "../time";
-declare class SendWindowSize {
-    regular: () => void;
-    transitioned: () => void;
-    setWindowSizeSend(inputBatchSender: InputBatchSender, doSendWindowSize: () => void): Debouncer<typeof doSendWindowSize>;
-}
-declare const sendWindowSizeFns: SendWindowSize;
-export { sendWindowSizeFns };