diff --git a/packages/voila/index.js b/packages/voila/index.js
index aa7e0b78d..0d08d00a0 100644
--- a/packages/voila/index.js
+++ b/packages/voila/index.js
@@ -70,17 +70,12 @@ async function main() {
   const disabled = [];
   let mods = [
     // @jupyterlab plugins
-    require('@jupyterlab/apputils-extension').default.filter(({ id }) =>
-      [
-        '@jupyterlab/apputils-extension:settings',
-        '@jupyterlab/apputils-extension:themes'
-      ].includes(id)
-    ),
     // TODO: re-add after updating to 3.1 lab packages
     // require('@jupyterlab/markdownviewer-extension'),
     require('@jupyterlab/mathjax2-extension'),
     require('@jupyterlab/rendermime-extension'),
     // TODO: add the settings endpoint to re-enable the theme plugins?
+    // This would also need the theme manager plugin and settings
     // require('@jupyterlab/theme-light-extension'),
     // require('@jupyterlab/theme-dark-extension'),
     require('./plugins')
diff --git a/packages/voila/package.json b/packages/voila/package.json
index 36fb5030d..afbc5d362 100644
--- a/packages/voila/package.json
+++ b/packages/voila/package.json
@@ -11,13 +11,10 @@
     "@jupyter-widgets/base": "^4.0.0",
     "@jupyter-widgets/controls": "^3.0.0",
     "@jupyter-widgets/jupyterlab-manager": "^3.0.0",
-    "@jupyterlab/apputils-extension": "^3.0.0",
     "@jupyterlab/json-extension": "^3.0.0",
     "@jupyterlab/markdownviewer-extension": "^3.0.0",
     "@jupyterlab/mathjax2-extension": "^3.0.0",
     "@jupyterlab/rendermime-extension": "^3.0.0",
-    "@jupyterlab/theme-light-extension": "^3.0.0",
-    "@jupyterlab/theme-dark-extension": "^3.0.0",
     "@jupyterlab/application": "^3.0.0",
     "@jupyterlab/apputils": "^3.0.0",
     "@jupyterlab/coreutils": "^5.0.0",
diff --git a/packages/voila/style.css b/packages/voila/style.css
index 1dc644aa8..03b669625 100644
--- a/packages/voila/style.css
+++ b/packages/voila/style.css
@@ -1,5 +1,3 @@
-@import url('~@jupyterlab/theme-light-extension/style/index.css');
-
 @import url('~@lumino/widgets/style/index.css');
 
 @import url('~@jupyter-widgets/controls/css/widgets.built.css');
diff --git a/yarn.lock b/yarn.lock
index f468fb932..8e80daed3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1280,30 +1280,6 @@
     "@lumino/signaling" "^1.4.3"
     "@lumino/widgets" "^1.16.1"
 
-"@jupyterlab/apputils-extension@^3.0.0":
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils-extension/-/apputils-extension-3.0.6.tgz#6b30d7b24d8de37e3771c07636988f23b1a7774e"
-  integrity sha512-XpJlVqtWJjcnvj5uzZ6cN/H1UcQvuj2iHJF/k564Bbi0mxg5bLytjwf7ZEBzhW6Y+m5RxKmKlnoEagtucbpPGQ==
-  dependencies:
-    "@jupyterlab/application" "^3.0.6"
-    "@jupyterlab/apputils" "^3.0.5"
-    "@jupyterlab/coreutils" "^5.0.3"
-    "@jupyterlab/docregistry" "^3.0.6"
-    "@jupyterlab/filebrowser" "^3.0.6"
-    "@jupyterlab/mainmenu" "^3.0.5"
-    "@jupyterlab/services" "^6.0.5"
-    "@jupyterlab/settingregistry" "^3.0.3"
-    "@jupyterlab/statedb" "^3.0.3"
-    "@jupyterlab/translation" "^3.0.5"
-    "@jupyterlab/ui-components" "^3.0.4"
-    "@lumino/algorithm" "^1.3.3"
-    "@lumino/commands" "^1.12.0"
-    "@lumino/coreutils" "^1.5.3"
-    "@lumino/disposable" "^1.4.3"
-    "@lumino/polling" "^1.3.3"
-    "@lumino/widgets" "^1.16.1"
-    es6-promise "~4.2.8"
-
 "@jupyterlab/apputils@^3.0.0", "@jupyterlab/apputils@^3.0.5":
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/@jupyterlab/apputils/-/apputils-3.0.5.tgz#1eb682e20f5da98ea7c1d2b3909ea8c17565f607"
@@ -1599,7 +1575,7 @@
     "@lumino/signaling" "^1.4.3"
     "@lumino/widgets" "^1.16.1"
 
-"@jupyterlab/mainmenu@^3.0.0", "@jupyterlab/mainmenu@^3.0.5":
+"@jupyterlab/mainmenu@^3.0.0":
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu/-/mainmenu-3.0.5.tgz#0376f3202bb61ef83077581ab1155dd2025578cd"
   integrity sha512-2rziVmmr3/Sl84PzzGYfcGfvjB1tx9aLQVJF+iMvKLEWtPZAsObCVK0SZLPb1S/f942l6/tC87nNOMinIFujBw==
@@ -1859,24 +1835,6 @@
     simulate-event "~1.4.0"
     ts-jest "^26.3.0"
 
-"@jupyterlab/theme-dark-extension@^3.0.0":
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-dark-extension/-/theme-dark-extension-3.0.6.tgz#8e17bdc12c5fd69b0e0cbf681ef7764966fe774a"
-  integrity sha512-VNM2013+j36XHHPz3EUVWHWU//ZrqDuhfVtPbpTBTuqu/Esb7bAUKoTiPSrRPnDoyaLdPs3UHRG1ZxalI48Z8g==
-  dependencies:
-    "@jupyterlab/application" "^3.0.6"
-    "@jupyterlab/apputils" "^3.0.5"
-    "@jupyterlab/translation" "^3.0.5"
-
-"@jupyterlab/theme-light-extension@^3.0.0":
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-light-extension/-/theme-light-extension-3.0.6.tgz#6a1162b33e7467c025369d07aae099c2229ad030"
-  integrity sha512-RBg5EZLY0M1BaeTMMFdljrVgiAkdSJJEdBTneteZk0iW02jdezIzncPpyUXbgjAW62BO7aroGS3FLlJ7dwmAHA==
-  dependencies:
-    "@jupyterlab/application" "^3.0.6"
-    "@jupyterlab/apputils" "^3.0.5"
-    "@jupyterlab/translation" "^3.0.5"
-
 "@jupyterlab/translation@^3.0.0", "@jupyterlab/translation@^3.0.5":
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/@jupyterlab/translation/-/translation-3.0.5.tgz#8706f48e6989d4aaa8613fa88e348a84ae87eade"
@@ -5110,7 +5068,7 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es6-promise@^4.0.3, es6-promise@~4.2.8:
+es6-promise@^4.0.3:
   version "4.2.8"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
   integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==