core/core.libraries.yml | 2 +-
 core/package.json       | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/core.libraries.yml b/core/core.libraries.yml
index 473c68c589..f887c7cea3 100644
--- a/core/core.libraries.yml
+++ b/core/core.libraries.yml
@@ -27,7 +27,7 @@ ckeditor5:
   version: &ckeditor5Version "31.0.0"
   license: &ckeditor5License
     name: GNU-GPL-2.0-or-later
-    url: https://github.com/ckeditor/ckeditor5/blob/master/LICENSE.md
+    url: https://github.com/ckeditor/ckeditor5/blob/v31.0.0/LICENSE.md
     gpl-compatible: true
   js:
     assets/vendor/ckeditor5/build/ckeditor5-dll.js: { preprocess: false, minified: true }
diff --git a/core/package.json b/core/package.json
index bcce9ec738..0dbf864c57 100644
--- a/core/package.json
+++ b/core/package.json
@@ -37,7 +37,6 @@
     "@babel/core": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
     "@babel/register": "^7.7.7",
-    "@ckeditor/ckeditor5-dev-utils": "^25.4.5",
     "@ckeditor/ckeditor5-alignment": "~31.0.0",
     "@ckeditor/ckeditor5-basic-styles": "~31.0.0",
     "@ckeditor/ckeditor5-block-quote": "~31.0.0",