diff --git a/.changeset/light-friends-warn.md b/.changeset/light-friends-warn.md
new file mode 100644
index 000000000..667ae1c91
--- /dev/null
+++ b/.changeset/light-friends-warn.md
@@ -0,0 +1,5 @@
+---
+"@changesets/types": major
+---
+
+Remove `"private"` type support for `WrittenConfig.access`. Only `"public"` and `"restricted"` are valid values. This change was also already made in [#2015](https://github.com/changesets/changesets/pull/2015) in the runtime.
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 1f4952e98..37c6eb3be 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -101,7 +101,7 @@ export type WrittenConfig = {
   commit?: boolean | readonly [string, null | Record<string, unknown>] | string;
   fixed?: Fixed;
   linked?: Linked;
-  access?: AccessType | "private";
+  access?: AccessType;
   baseBranch?: string;
   changedFilePatterns?: readonly string[];
   format?: "auto" | "prettier" | "oxfmt" | "deno" | "dprint" | false;