diff --git a/src/display/annotation_layer.js b/src/display/annotation_layer.js
index 305175404..947e686e8 100644
--- a/src/display/annotation_layer.js
+++ b/src/display/annotation_layer.js
@@ -19,7 +19,6 @@
 /** @typedef {import("../../web/text_accessibility.js").TextAccessibilityManager} TextAccessibilityManager */
 // eslint-disable-next-line max-len
 /** @typedef {import("../../web/interfaces").IDownloadManager} IDownloadManager */
-/** @typedef {import("../../web/interfaces").IPDFLinkService} IPDFLinkService */
 // eslint-disable-next-line max-len
 /** @typedef {import("../src/display/editor/tools.js").AnnotationEditorUIManager} AnnotationEditorUIManager */
 // eslint-disable-next-line max-len
@@ -57,7 +56,7 @@ const TIMEZONE_OFFSET = new Date().getTimezoneOffset() * 60 * 1000;
  * @typedef {Object} AnnotationElementParameters
  * @property {Object} data
  * @property {HTMLDivElement} layer
- * @property {IPDFLinkService} linkService
+ * @property {PDFLinkService} linkService
  * @property {IDownloadManager} [downloadManager]
  * @property {AnnotationStorage} [annotationStorage]
  * @property {string} [imageResourcesPath] - Path for image resources, mainly
@@ -3736,7 +3735,7 @@ class FileAttachmentAnnotationElement extends AnnotationElement {
  * @property {HTMLDivElement} div
  * @property {Array} annotations
  * @property {PDFPageProxy} page
- * @property {IPDFLinkService} linkService
+ * @property {PDFLinkService} linkService
  * @property {IDownloadManager} [downloadManager]
  * @property {AnnotationStorage} [annotationStorage]
  * @property {string} [imageResourcesPath] - Path for image resources, mainly
@@ -4018,8 +4017,6 @@ class AnnotationLayer {
    * Add link annotations to the annotation layer.
    *
    * @param {Array<Object>} annotations
-   * @param {IPDFLinkService} linkService
-   * @memberof AnnotationLayer
    */
   async addLinkAnnotations(annotations) {
     const elementParams = {
diff --git a/src/display/xfa_layer.js b/src/display/xfa_layer.js
index 59b0dcac7..6ddf9b58e 100644
--- a/src/display/xfa_layer.js
+++ b/src/display/xfa_layer.js
@@ -16,7 +16,6 @@
 // eslint-disable-next-line max-len
 /** @typedef {import("./annotation_storage").AnnotationStorage} AnnotationStorage */
 /** @typedef {import("./display_utils").PageViewport} PageViewport */
-/** @typedef {import("../../web/interfaces").IPDFLinkService} IPDFLinkService */
 
 import { XfaText } from "./xfa_text.js";
 
@@ -26,7 +25,7 @@ import { XfaText } from "./xfa_text.js";
  * @property {HTMLDivElement} div
  * @property {Object} xfaHtml
  * @property {AnnotationStorage} [annotationStorage]
- * @property {IPDFLinkService} linkService
+ * @property {PDFLinkService} linkService
  * @property {string} [intent] - (default value is 'display').
  */
 
diff --git a/web/annotation_layer_builder.js b/web/annotation_layer_builder.js
index 40670a3d0..eef2fca33 100644
--- a/web/annotation_layer_builder.js
+++ b/web/annotation_layer_builder.js
@@ -19,7 +19,6 @@
 // eslint-disable-next-line max-len
 /** @typedef {import("../src/display/annotation_storage").AnnotationStorage} AnnotationStorage */
 /** @typedef {import("./interfaces").IDownloadManager} IDownloadManager */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 // eslint-disable-next-line max-len
 /** @typedef {import("./struct_tree_layer_builder.js").StructTreeLayerBuilder} StructTreeLayerBuilder */
 // eslint-disable-next-line max-len
@@ -43,7 +42,7 @@ import { PresentationModeState } from "./ui_utils.js";
  * @property {string} [imageResourcesPath] - Path for image resources, mainly
  *   for annotation icons. Include trailing slash.
  * @property {boolean} renderForms
- * @property {IPDFLinkService} linkService
+ * @property {PDFLinkService} linkService
  * @property {IDownloadManager} [downloadManager]
  * @property {boolean} [enableComment]
  * @property {boolean} [enableScripting]
diff --git a/web/interfaces.js b/web/interfaces.js
index 7c926af9c..1e2a13910 100644
--- a/web/interfaces.js
+++ b/web/interfaces.js
@@ -19,103 +19,6 @@
 /** @typedef {import("../src/display/display_utils").PageViewport} PageViewport */
 /** @typedef {import("./ui_utils").RenderingStates} RenderingStates */
 
-/**
- * @interface
- */
-class IPDFLinkService {
-  /**
-   * @type {number}
-   */
-  get pagesCount() {}
-
-  /**
-   * @type {number}
-   */
-  get page() {}
-
-  /**
-   * @param {number} value
-   */
-  set page(value) {}
-
-  /**
-   * @type {number}
-   */
-  get rotation() {}
-
-  /**
-   * @param {number} value
-   */
-  set rotation(value) {}
-
-  /**
-   * @type {boolean}
-   */
-  get isInPresentationMode() {}
-
-  /**
-   * @type {boolean}
-   */
-  get externalLinkEnabled() {}
-
-  /**
-   * @param {boolean} value
-   */
-  set externalLinkEnabled(value) {}
-
-  /**
-   * @param {string|Array} dest - The named, or explicit, PDF destination.
-   */
-  async goToDestination(dest) {}
-
-  /**
-   * @param {number|string} val - The page number, or page label.
-   */
-  goToPage(val) {}
-
-  /**
-   * Scrolls to a specific location in the PDF document.
-   * @param {number} pageNumber - The page number to scroll to.
-   * @param {number} x - The x-coordinate to scroll to in page coordinates.
-   * @param {number} y - The y-coordinate to scroll to in page coordinates.
-   */
-  goToXY(pageNumber, x, y) {}
-
-  /**
-   * @param {HTMLAnchorElement} link
-   * @param {string} url
-   * @param {boolean} [newWindow]
-   */
-  addLinkAttributes(link, url, newWindow = false) {}
-
-  /**
-   * @param dest - The PDF destination object.
-   * @returns {string} The hyperlink to the PDF object.
-   */
-  getDestinationHash(dest) {}
-
-  /**
-   * @param hash - The PDF parameters/hash.
-   * @returns {string} The hyperlink to the PDF object.
-   */
-  getAnchorUrl(hash) {}
-
-  /**
-   * @param {string} hash
-   */
-  setHash(hash) {}
-
-  /**
-   * @param {string} action
-   */
-  executeNamedAction(action) {}
-
-  /**
-   * @param {Object} action
-   */
-  executeSetOCGState(action) {}
-}
-
 /**
  * @interface
  */
@@ -226,10 +129,4 @@ class IPDFPrintServiceFactory {
   }
 }
 
-export {
-  IDownloadManager,
-  IL10n,
-  IPDFLinkService,
-  IPDFPrintServiceFactory,
-  IRenderableView,
-};
+export { IDownloadManager, IL10n, IPDFPrintServiceFactory, IRenderableView };
diff --git a/web/pdf_find_controller.js b/web/pdf_find_controller.js
index 64ca3d6a3..03dada3d6 100644
--- a/web/pdf_find_controller.js
+++ b/web/pdf_find_controller.js
@@ -15,7 +15,6 @@
 
 /** @typedef {import("../src/display/api").PDFDocumentProxy} PDFDocumentProxy */
 /** @typedef {import("./event_utils").EventBus} EventBus */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 
 import { binarySearchFirstItem, scrollIntoView } from "./ui_utils.js";
 import { getCharacterType, getNormalizeWithNFKC } from "./pdf_find_utils.js";
@@ -405,7 +404,7 @@ function getOriginalIndex(diffs, pos, len) {
 
 /**
  * @typedef {Object} PDFFindControllerOptions
- * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {PDFLinkService} linkService - The navigation/linking service.
  * @property {EventBus} eventBus - The application event bus.
  * @property {boolean} [updateMatchesCountOnProgress] - True if the matches
  *   count must be updated on progress or only when the last page is reached.
diff --git a/web/pdf_history.js b/web/pdf_history.js
index bed96f370..f0f7964db 100644
--- a/web/pdf_history.js
+++ b/web/pdf_history.js
@@ -14,7 +14,6 @@
  */
 
 /** @typedef {import("./event_utils").EventBus} EventBus */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 
 import { isValidRotation, parseQueryString } from "./ui_utils.js";
 import { updateUrlHash } from "pdfjs-lib";
@@ -29,7 +28,7 @@ const UPDATE_VIEWAREA_TIMEOUT = 1000; // milliseconds
 
 /**
  * @typedef {Object} PDFHistoryOptions
- * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {PDFLinkService} linkService - The navigation/linking service.
  * @property {EventBus} eventBus - The application event bus.
  */
 
diff --git a/web/pdf_link_service.js b/web/pdf_link_service.js
index 885de2bc8..c57be4873 100644
--- a/web/pdf_link_service.js
+++ b/web/pdf_link_service.js
@@ -14,7 +14,6 @@
  */
 
 /** @typedef {import("./event_utils").EventBus} EventBus */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 
 import { isValidExplicitDest } from "pdfjs-lib";
 import { parseQueryString } from "./ui_utils.js";
@@ -45,7 +44,6 @@ const LinkTarget = {
 /**
  * Performs navigation functions inside PDF, such as opening specified page,
  * or destination.
- * @implements {IPDFLinkService}
  */
 class PDFLinkService {
   externalLinkEnabled = true;
@@ -517,9 +515,6 @@ class PDFLinkService {
   }
 }
 
-/**
- * @implements {IPDFLinkService}
- */
 class SimpleLinkService extends PDFLinkService {
   setDocument(pdfDocument, baseUrl = null) {}
 }
diff --git a/web/pdf_outline_viewer.js b/web/pdf_outline_viewer.js
index efb7e5ec1..011e2c8d8 100644
--- a/web/pdf_outline_viewer.js
+++ b/web/pdf_outline_viewer.js
@@ -16,7 +16,6 @@
 /** @typedef {import("./event_utils.js").EventBus} EventBus */
 // eslint-disable-next-line max-len
 /** @typedef {import("./download_manager.js").DownloadManager} DownloadManager */
-/** @typedef {import("./interfaces.js").IPDFLinkService} IPDFLinkService */
 // eslint-disable-next-line max-len
 /** @typedef {import("../src/display/api.js").PDFDocumentProxy} PDFDocumentProxy */
 
@@ -27,7 +26,7 @@ import { SidebarView } from "./ui_utils.js";
  * @typedef {Object} PDFOutlineViewerOptions
  * @property {HTMLDivElement} container - The viewer element.
  * @property {EventBus} eventBus - The application event bus.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {PDFLinkService} linkService - The navigation/linking service.
  * @property {DownloadManager} downloadManager - The download manager.
  */
 
diff --git a/web/pdf_thumbnail_view.js b/web/pdf_thumbnail_view.js
index c1f72e6ec..b7fbc458e 100644
--- a/web/pdf_thumbnail_view.js
+++ b/web/pdf_thumbnail_view.js
@@ -18,7 +18,6 @@
 // eslint-disable-next-line max-len
 /** @typedef {import("../src/display/display_utils").PageViewport} PageViewport */
 /** @typedef {import("./event_utils").EventBus} EventBus */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 /** @typedef {import("./interfaces").IRenderableView} IRenderableView */
 // eslint-disable-next-line max-len
 /** @typedef {import("./pdf_rendering_queue").PDFRenderingQueue} PDFRenderingQueue */
@@ -44,7 +43,7 @@ const THUMBNAIL_WIDTH = 126; // px
  * @property {Promise<OptionalContentConfig>} [optionalContentConfigPromise] -
  *   A promise that is resolved with an {@link OptionalContentConfig} instance.
  *   The default value is `null`.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {PDFLinkService} linkService - The navigation/linking service.
  * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.
  * @property {number} [maxCanvasPixels] - The maximum supported canvas size in
  *   total pixels, i.e. width * height. Use `-1` for no limit, or `0` for
diff --git a/web/pdf_thumbnail_viewer.js b/web/pdf_thumbnail_viewer.js
index a11636c4c..3a527bcce 100644
--- a/web/pdf_thumbnail_viewer.js
+++ b/web/pdf_thumbnail_viewer.js
@@ -16,7 +16,6 @@
 /** @typedef {import("../src/display/api").PDFDocumentProxy} PDFDocumentProxy */
 /** @typedef {import("../src/display/api").PDFPageProxy} PDFPageProxy */
 /** @typedef {import("./event_utils").EventBus} EventBus */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 // eslint-disable-next-line max-len
 /** @typedef {import("./pdf_rendering_queue").PDFRenderingQueue} PDFRenderingQueue */
 
@@ -51,7 +50,7 @@ const SPACE_FOR_DRAG_MARKER_WHEN_NO_NEXT_ELEMENT = 15;
  * @property {HTMLDivElement} container - The container for the thumbnail
  *   elements.
  * @property {EventBus} eventBus - The application event bus.
- * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {PDFLinkService} linkService - The navigation/linking service.
  * @property {PDFRenderingQueue} renderingQueue - The rendering queue object.
  * @property {number} [maxCanvasPixels] - The maximum supported canvas size in
  *   total pixels, i.e. width * height. Use `-1` for no limit, or `0` for
diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
index 70943ad47..9f4b2bb14 100644
--- a/web/pdf_viewer.js
+++ b/web/pdf_viewer.js
@@ -22,7 +22,6 @@
 /** @typedef {import("./event_utils").EventBus} EventBus */
 /** @typedef {import("./interfaces").IDownloadManager} IDownloadManager */
 /** @typedef {import("./interfaces").IL10n} IL10n */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 // eslint-disable-next-line max-len
 /** @typedef {import("./pdf_find_controller").PDFFindController} PDFFindController */
 // eslint-disable-next-line max-len
@@ -90,7 +89,7 @@ function isValidAnnotationEditorMode(mode) {
  * @property {HTMLDivElement} container - The container for the viewer element.
  * @property {HTMLDivElement} [viewer] - The viewer element.
  * @property {EventBus} eventBus - The application event bus.
- * @property {IPDFLinkService} [linkService] - The navigation/linking service.
+ * @property {PDFLinkService} [linkService] - The navigation/linking service.
  * @property {IDownloadManager} [downloadManager] - The download manager
  *   component.
  * @property {PDFFindController} [findController] - The find controller
diff --git a/web/xfa_layer_builder.js b/web/xfa_layer_builder.js
index 95c540b93..9f7a92d87 100644
--- a/web/xfa_layer_builder.js
+++ b/web/xfa_layer_builder.js
@@ -18,7 +18,6 @@
 /** @typedef {import("../src/display/annotation_storage").AnnotationStorage} AnnotationStorage */
 // eslint-disable-next-line max-len
 /** @typedef {import("../src/display/display_utils").PageViewport} PageViewport */
-/** @typedef {import("./interfaces").IPDFLinkService} IPDFLinkService */
 
 import { XfaLayer } from "pdfjs-lib";
 
@@ -26,7 +25,7 @@ import { XfaLayer } from "pdfjs-lib";
  * @typedef {Object} XfaLayerBuilderOptions
  * @property {PDFPageProxy} pdfPage
  * @property {AnnotationStorage} [annotationStorage]
- * @property {IPDFLinkService} linkService
+ * @property {PDFLinkService} linkService
  * @property {Object} [xfaHtml]
  */