diff --git a/packages/interactivity/src/portals.ts b/packages/interactivity/src/portals.ts
deleted file mode 100644
index b80cc420f762a1..00000000000000
--- a/packages/interactivity/src/portals.ts
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * External dependencies
- */
-import type { ContainerNode, VNode } from 'preact';
-import { createElement, render } from 'preact';
-/**
- * Internal dependencies
- */
-import type {
-	ContextProviderProps,
-	PortalInterface,
-	PortalProps,
-} from './types';
-
-/**
- * `ContextProvider` is a function component that provides context to its child components.
- *
- * @param props - The properties passed to the component.
- *              It includes a `context` property which is the context to be provided to the child components,
- *              and a `children` property which are the child components that will receive the context.
- *
- * @return The child components passed in through `props.children`.
- *
- * @example
- * <ContextProvider context={myContext}>
- *     <MyChildComponent />
- * </ContextProvider>
- */
-function ContextProvider( props: ContextProviderProps ): any {
-	this.getChildContext = () => props.context;
-	return props.children;
-}
-
-/**
- * Portal component
- *
- * @param props - The properties passed to the component.
- *
- *              TODO: use createRoot() instead of fake root
- */
-function Portal( props: PortalProps | null | undefined ): any {
-	const _this = this;
-	const container = props._container;
-
-	_this.componentWillUnmount = function () {
-		render( null, _this._temp );
-		_this._temp = null;
-		_this._container = null;
-	};
-
-	/*
-	 * When the container changes, it should clear the old container and
-	 * indicate a new mount.
-	 */
-	if ( _this._container && _this._container !== container ) {
-		_this.componentWillUnmount();
-	}
-
-	/*
-	 * When props.vnode is undefined/false/null, there is some kind of
-	 * conditional vnode. This should not trigger a render.
-	 */
-
-	if ( props._vnode ) {
-		if ( ! _this._temp ) {
-			_this._container = container;
-
-			// Create a fake DOM parent node that manages a subset of `container`'s children:
-			_this._temp = {
-				nodeType: 1,
-				parentNode: container,
-				childNodes: [],
-				appendChild( child ) {
-					this.childNodes.push( child );
-					_this._container.appendChild( child );
-				},
-				insertBefore( child ) {
-					this.childNodes.push( child );
-					_this._container.appendChild( child );
-				},
-				removeChild( child ) {
-					this.childNodes.splice(
-						// eslint-disable-next-line no-bitwise
-						this.childNodes.indexOf( child ) >>> 1,
-						1
-					);
-					_this._container.removeChild( child );
-				},
-			};
-		}
-
-		// Render our wrapping element into temp.
-		render(
-			createElement(
-				ContextProvider,
-				{ context: _this.context },
-				props._vnode
-			),
-			_this._temp
-		);
-	} else if ( _this._temp ) {
-		/*
-		 * If it is a conditional render, on a mounted
-		 * portal, the DOM should be cleared.
-		 */
-		_this.componentWillUnmount();
-	}
-}
-
-/**
- * Create a `Portal` to continue rendering the vnode tree at a different DOM node
- *
- * @param vnode     The vnode to render
- * @param container The DOM node to continue rendering in to.
- */
-export function createPortal(
-	vnode: VNode,
-	container: ContainerNode
-): PortalInterface {
-	const el = createElement( Portal, {
-		_vnode: vnode,
-		_container: container,
-	} ) as PortalInterface;
-	el.containerInfo = container;
-	return el;
-}
diff --git a/packages/interactivity/src/types.ts b/packages/interactivity/src/types.ts
index a379c62c33de86..3d655038b0d943 100644
--- a/packages/interactivity/src/types.ts
+++ b/packages/interactivity/src/types.ts
@@ -75,10 +75,6 @@ export interface DirectivesProps {
 	previousScope?: Scope;
 }
 
-export interface GetEvaluate {
-	( args: { scope: Scope } ): Evaluate;
-}
-
 type PriorityLevel = string[];
 
 export interface GetPriorityLevels {