diff --git a/FORCE_SYNC_MARKER.txt b/FORCE_SYNC_MARKER.txt
deleted file mode 100644
index 3c392f9175..0000000000
--- a/FORCE_SYNC_MARKER.txt
+++ /dev/null
@@ -1 +0,0 @@
-// OSS-only marker (forces sync diff for action test)
diff --git a/UNAUTHORIZED_OSS_FILE.md b/UNAUTHORIZED_OSS_FILE.md
new file mode 100644
index 0000000000..0286e34ac1
--- /dev/null
+++ b/UNAUTHORIZED_OSS_FILE.md
@@ -0,0 +1 @@
+OSS-only file — should be flagged CRITICAL
diff --git a/package.json b/package.json
index 06df053df0..c1afa517f1 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
   "homepage": "https://github.com/formio/formio.js#readme",
   "dependencies": {
     "@formio/bootstrap": "^3.2.2",
-    "@formio/core": "^2.6.6",
+    "@formio/core": "^99.99.99",
     "@formio/text-mask-addons": "^3.8.0-formio.4",
     "@formio/vanilla-text-mask": "^5.1.1-formio.1",
     "abortcontroller-polyfill": "^1.7.5",