diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 56d9546..412f979 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,7 +10,6 @@ repos:
       - id: check-added-large-files
       - id: check-case-conflict
       - id: check-merge-conflict
-      - id: check-json
       - id: check-yaml
       - id: debug-statements
       - id: end-of-file-fixer
diff --git a/app.json b/app.json
deleted file mode 100644
index f949e5e..0000000
--- a/app.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "name": "Blurb it!",
-  "description": "Add a news blurb to CPython pull request",
-  "repository": "https://github.com/python/blurb_it"
-}