diff --git a/src/display/api.js b/src/display/api.js
index 9c70a7c22..5b91922f1 100644
--- a/src/display/api.js
+++ b/src/display/api.js
@@ -1510,8 +1510,14 @@ class PDFPageProxy {
         internalRenderTask.capability.resolve();
       }
 
-      this._stats?.timeEnd("Rendering");
-      this._stats?.timeEnd("Overall");
+      if (this._stats) {
+        this._stats.timeEnd("Rendering");
+        this._stats.timeEnd("Overall");
+
+        if (globalThis.Stats?.enabled) {
+          globalThis.Stats.add(this.pageNumber, this._stats);
+        }
+      }
     };
 
     const internalRenderTask = new InternalRenderTask({
diff --git a/web/app.js b/web/app.js
index 491761d69..80ab34877 100644
--- a/web/app.js
+++ b/web/app.js
@@ -1898,10 +1898,6 @@ const PDFViewerApplication = {
       signal,
     });
 
-    if (AppOptions.get("pdfBug")) {
-      eventBus._on("pagerendered", reportPageStatsPDFBug, { signal });
-      eventBus._on("pagechanging", reportPageStatsPDFBug, { signal });
-    }
     if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
       eventBus._on("fileinputchange", webViewerFileInputChange, { signal });
       eventBus._on("openfile", webViewerOpenFile, { signal });
@@ -2187,16 +2183,6 @@ async function loadPDFBug(self) {
   self._PDFBug = PDFBug;
 }
 
-function reportPageStatsPDFBug({ pageNumber }) {
-  if (!globalThis.Stats?.enabled) {
-    return;
-  }
-  const pageView = PDFViewerApplication.pdfViewer.getPageView(
-    /* index = */ pageNumber - 1
-  );
-  globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats);
-}
-
 function webViewerPageRender({ pageNumber }) {
   // If the page is (the most) visible when it starts rendering,
   // ensure that the page number input loading indicator is displayed.