diff --git a/.gitignore b/.gitignore
index d2fe01d..cf8b1ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,3 @@ releases
 collerd.db
 !docker/collerd.json
 collerd.json
-node_modules
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 4cf810c..0000000
--- a/package-lock.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-  "name": "coller",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "dependencies": {
-        "bootstrap": "^5.3.8"
-      }
-    },
-    "node_modules/@popperjs/core": {
-      "version": "2.11.8",
-      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
-      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
-      "peer": true,
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/popperjs"
-      }
-    },
-    "node_modules/bootstrap": {
-      "version": "5.3.8",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.8.tgz",
-      "integrity": "sha512-HP1SZDqaLDPwsNiqRqi5NcP0SSXciX2s9E+RyqJIIqGo+vJeN5AJVM98CXmW/Wux0nQ5L7jeWUdplCEf0Ee+tg==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/twbs"
-        },
-        {
-          "type": "opencollective",
-          "url": "https://opencollective.com/bootstrap"
-        }
-      ],
-      "peerDependencies": {
-        "@popperjs/core": "^2.11.8"
-      }
-    }
-  }
-}
diff --git a/package.json b/package.json
deleted file mode 100644
index 719e5df..0000000
--- a/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "dependencies": {
-    "bootstrap": "^5.3.8"
-  }
-}
diff --git a/src/cmd/collerd/README.md b/src/cmd/collerd/README.md
index 4526cef..d99a273 100644
--- a/src/cmd/collerd/README.md
+++ b/src/cmd/collerd/README.md
@@ -34,7 +34,6 @@ The file format is **JSON**:
 * **languages** ([]string): List of supported [languages](https://github.com/microsoft/monaco-editor/tree/main/src/basic-languages)
 * **language** (string): Default language (default "text")
 * **enable_upload_file_button** (bool): Display the upload file button in the UI (default true)
-* **bootstrap_directory** (string): Serve [Bootstrap](https://getbootstrap.com/) assets from this local directory (ex: "./node_modules/bootstrap/dist"). See **Dependencies** for details.
 
 The configuration file is not required but the service might not be exposed to the public.
 
@@ -77,27 +76,4 @@ If the note is encrypted, the encrypted value is returned (application/octet-str
 
 Errors return **500 Server Internal Error** with the **JSON** payload:
 * **message** (string): context of the error
-* **error** (string): error message
-
-## Dependencies
-
-The web interface depends on:
-
-- [Bootstrap](https://getbootstrap.com/)
-- [Monaco Editor](https://github.com/microsoft/monaco-editor/)
-
-By default, those dependencies are fetched from **remote CDN** services by the client.
-
-If you would like to download them to serve them locally:
-
-```
-npm install
-```
-
-Then configure the local directories:
-
-```json
-{
-  "bootstrap_directory": "./node_modules/bootstrap/dist"
-}
-```
+* **error** (string): error message
\ No newline at end of file
diff --git a/src/server/config.go b/src/server/config.go
index e1ef5e7..8ba51ca 100644
--- a/src/server/config.go
+++ b/src/server/config.go
@@ -26,7 +26,6 @@ type Config struct {
 	Languages              []string `json:"languages"`
 	Language               string   `json:"language"`
 	EnableUploadFileButton bool     `json:"enable_upload_file_button"`
-	BootstrapDirectory     string   `json:"bootstrap_directory"`
 }
 
 func NewConfig() *Config {
diff --git a/src/server/server.go b/src/server/server.go
index ab61605..703714d 100644
--- a/src/server/server.go
+++ b/src/server/server.go
@@ -195,7 +195,6 @@ type PageData struct {
 	URL                    string
 	Note                   *Note
 	EnableUploadFileButton bool
-	BootstrapDirectory     string
 }
 
 type HomeHandler struct {
@@ -430,11 +429,10 @@ func (s *Server) Start() error {
 		"string":        func(b []byte) string { return string(b) },
 	}
 	p := PageData{
-		Title:              s.config.Title,
-		Expirations:        s.config.Expirations,
-		Expiration:         s.config.Expiration,
-		Languages:          s.config.Languages,
-		BootstrapDirectory: s.config.BootstrapDirectory,
+		Title:       s.config.Title,
+		Expirations: s.config.Expirations,
+		Expiration:  s.config.Expiration,
+		Languages:   s.config.Languages,
 	}
 
 	if s.config.ShowVersion {
@@ -471,10 +469,6 @@ func (s *Server) Start() error {
 	}
 	r.Path("/{id:[a-zA-Z0-9]+}.html").Handler(webNoteHandler).Methods("GET")
 
-	if s.config.BootstrapDirectory != "" {
-		r.PathPrefix("/static/bootstrap/").Handler(http.StripPrefix("/static/bootstrap/", http.FileServer(http.Dir(s.config.BootstrapDirectory))))
-	}
-
 	r.Path("/").Handler(&HomeHandler{Templates: templates, PageData: p}).Methods("GET")
 
 	addr := fmt.Sprintf("%s:%d", s.config.ListenAddress, s.config.ListenPort)
diff --git a/src/server/templates/head.html b/src/server/templates/head.html
index e5f3544..bd8edba 100644
--- a/src/server/templates/head.html
+++ b/src/server/templates/head.html
@@ -4,6 +4,6 @@
     <title>{{.Title}}</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link href="{{if ne .BootstrapDirectory ``}}/static/bootstrap/css/bootstrap.min.css{{else}}https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css{{end}}" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
 </head>
 {{end}}
\ No newline at end of file