diff --git a/lib/phpspreadsheet/markbaker/matrix/composer.json b/lib/phpspreadsheet/markbaker/matrix/composer.json
index e86a1e0556b33..eb100bf1dad5d 100644
--- a/lib/phpspreadsheet/markbaker/matrix/composer.json
+++ b/lib/phpspreadsheet/markbaker/matrix/composer.json
@@ -18,8 +18,6 @@
         "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
         "phpdocumentor/phpdocumentor": "2.*",
         "phpmd/phpmd": "2.*",
-        "sebastian/phpcpd": "^4.0",
-        "phploc/phploc": "^4.0",
         "squizlabs/php_codesniffer": "^3.7",
         "phpcompatibility/php-compatibility": "^9.3",
         "dealerdirect/phpcodesniffer-composer-installer": "dev-master"