diff --git a/gulpfile.mjs b/gulpfile.mjs
index f1cbe97e2..e50c285fb 100644
--- a/gulpfile.mjs
+++ b/gulpfile.mjs
@@ -34,7 +34,6 @@ import rimraf from "rimraf";
 import stream from "stream";
 import streamqueue from "streamqueue";
 import through from "through2";
-import vfs from "vinyl-fs";
 import Vinyl from "vinyl";
 import webpack2 from "webpack";
 import webpackStream from "webpack-stream";
@@ -2098,15 +2097,14 @@ function ghPagesPrepare() {
 
   rimraf.sync(GH_PAGES_DIR);
 
-  // 'vfs' because web/viewer.html needs its BOM.
   return merge([
-    vfs
-      .src(GENERIC_DIR + "**/*", { base: GENERIC_DIR, stripBOM: false })
+    gulp
+      .src(GENERIC_DIR + "**/*", { base: GENERIC_DIR, removeBOM: false })
       .pipe(gulp.dest(GH_PAGES_DIR)),
-    vfs
+    gulp
       .src(GENERIC_LEGACY_DIR + "**/*", {
         base: GENERIC_LEGACY_DIR,
-        stripBOM: false,
+        removeBOM: false,
       })
       .pipe(gulp.dest(GH_PAGES_DIR + "legacy/")),
     gulp
@@ -2223,8 +2221,11 @@ gulp.task(
 
       return merge([
         packageJson().pipe(gulp.dest(DIST_DIR)),
-        vfs
-          .src("external/dist/**/*", { base: "external/dist", stripBOM: false })
+        gulp
+          .src("external/dist/**/*", {
+            base: "external/dist",
+            removeBOM: false,
+          })
           .pipe(gulp.dest(DIST_DIR)),
         gulp.src(GENERIC_DIR + "LICENSE").pipe(gulp.dest(DIST_DIR)),
         gulp
diff --git a/package-lock.json b/package-lock.json
index 35d20df85..b7e7276bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -60,7 +60,6 @@
         "typescript": "^5.1.6",
         "typogr": "^0.6.8",
         "vinyl": "^3.0.0",
-        "vinyl-fs": "^3.0.3",
         "webpack": "^5.88.2",
         "webpack-stream": "^7.0.0",
         "wintersmith": "^2.5.0",
diff --git a/package.json b/package.json
index 1a079469e..59cb8407b 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,6 @@
     "typescript": "^5.1.6",
     "typogr": "^0.6.8",
     "vinyl": "^3.0.0",
-    "vinyl-fs": "^3.0.3",
     "webpack": "^5.88.2",
     "webpack-stream": "^7.0.0",
     "wintersmith": "^2.5.0",