diff --git a/packages/abort-controller/src/AbortController.ts b/packages/abort-controller/src/AbortController.ts
index 108ed1de911..d569790ebc8 100644
--- a/packages/abort-controller/src/AbortController.ts
+++ b/packages/abort-controller/src/AbortController.ts
@@ -2,7 +2,10 @@ import { AbortController as DeprecatedAbortController } from "@smithy/types";
 
 import { AbortSignal } from "./AbortSignal";
 
-export { DeprecatedAbortController };
+/**
+ * @public
+ */
+export { DeprecatedAbortController as IAbortController };
 
 /**
  * @deprecated This implementation was added as Node.js didn't support AbortController prior to 15.x
diff --git a/packages/abort-controller/src/AbortSignal.ts b/packages/abort-controller/src/AbortSignal.ts
index c243fa2285f..217261b88e8 100644
--- a/packages/abort-controller/src/AbortSignal.ts
+++ b/packages/abort-controller/src/AbortSignal.ts
@@ -1,11 +1,14 @@
-import { AbortHandler, AbortSignal as IAbortSignal } from "@smithy/types";
+import { AbortHandler, AbortSignal as DeprecatedAbortSignal } from "@smithy/types";
 
-export { AbortHandler, IAbortSignal };
+/**
+ * @public
+ */
+export { AbortHandler, DeprecatedAbortSignal as IAbortSignal };
 
 /**
  * @public
  */
-export class AbortSignal implements IAbortSignal {
+export class AbortSignal implements DeprecatedAbortSignal {
   public onabort: AbortHandler | null = null;
   private _aborted = false;