diff --git a/arduino-ide-extension/package.json b/arduino-ide-extension/package.json
index 6ee6bf66..f7eb1eda 100644
--- a/arduino-ide-extension/package.json
+++ b/arduino-ide-extension/package.json
@@ -24,11 +24,9 @@
     "@theia/workspace": "next",
     "@types/google-protobuf": "^3.7.1",
     "@types/dateformat": "^3.0.1",
-    "@types/chance": "1.0.7",
     "@types/ps-tree": "^1.1.0",
     "@types/react-select": "^3.0.0",
     "@types/which": "^1.3.1",
-    "chance": "^1.1.3",
     "css-element-queries": "^1.2.0",
     "dateformat": "^3.0.3",
     "google-protobuf": "^3.11.0",
diff --git a/yarn.lock b/yarn.lock
index 4ea71d0a..fb216891 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2145,11 +2145,6 @@
   resolved "https://registry.yarnpkg.com/@types/caseless/-/caseless-0.12.2.tgz#f65d3d6389e01eeb458bd54dc8f52b95a9463bc8"
   integrity sha512-6ckxMjBBD8URvjB6J3NcnuAn5Pkl7t3TizAg+xdlzzQGSPSmBcXf8KoIH0ua/i+tio+ZRUHEXp0HEmvaR4kt0w==
 
-"@types/chance@1.0.7":
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/@types/chance/-/chance-1.0.7.tgz#c680a3891a505d8c626ec3a46bb1c0496419dfb6"
-  integrity sha512-LBOkJ7899SSLm08KicLYX3DqWUhfDspMLWNGuV1UPpL3iUENSvI0THGlf05n9yNHTR7zDlV/mCGZ7ZJ0ws8v3Q==
-
 "@types/connect@*":
   version "3.4.32"
   resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.32.tgz#aa0e9616b9435ccad02bc52b5b454ffc2c70ba28"
@@ -4439,11 +4434,6 @@ chalk@~0.4.0:
     has-color "~0.1.0"
     strip-ansi "~0.1.0"
 
-chance@^1.1.3:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/chance/-/chance-1.1.4.tgz#d8743bf8e40bb05e024c305ca1ff441195eb23db"
-  integrity sha512-pXPDSu3knKlb6H7ahQfpq//J9mSOxYK8SMtp8MV/nRJh8aLRDIl0ipLH8At8+nVogVwtvPZzyIzY/EbcY/cLuQ==
-
 changes-stream@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/changes-stream/-/changes-stream-2.2.0.tgz#9cf2bdbc2173c29c634aec9948e5d23b24d37c18"