diff --git a/packages/contracts/src/settings.test.ts b/packages/contracts/src/settings.test.ts
index c5d9c52a71755490668a526ef84020226f041c90..1673f4ad159b9b4f7810c5d8c9021e7b0b8b6bc6 100644
--- a/packages/contracts/src/settings.test.ts
+++ b/packages/contracts/src/settings.test.ts
@@ -7,7 +7,6 @@ import {
   ClientSettingsPatch,
   ClaudeSettings,
   DEFAULT_SERVER_SETTINGS,
-  defaultEnabledForDriver,
   resolveProviderInstanceEnabled,
   ServerSettings,
   ServerSettingsPatch,
@@ -432,14 +431,6 @@ describe("provider enabled defaults", () => {
     expect(decoded.providers.opencode.enabled).toBe(false);
   });
 
-  it("derives per-driver defaults from the settings schemas", () => {
-    expect(defaultEnabledForDriver(ProviderDriverKind.make("codex"))).toBe(true);
-    expect(defaultEnabledForDriver(ProviderDriverKind.make("cursor"))).toBe(false);
-    expect(defaultEnabledForDriver(ProviderDriverKind.make("grok"))).toBe(false);
-    // Unknown fork drivers stay enabled; their own build decides otherwise.
-    expect(defaultEnabledForDriver(ProviderDriverKind.make("ollama"))).toBe(true);
-  });
-
   it("keeps Cursor enabled when an existing user explicitly opted in", () => {
     const cursor = ProviderDriverKind.make("cursor");
     const cursorId = ProviderInstanceId.make("cursor");
@@ -460,6 +451,10 @@ describe("provider enabled defaults", () => {
     // No flags anywhere: driver default applies.
     expect(resolveProviderInstanceEnabled({ driver: grok, config: {} })).toBe(false);
     expect(resolveProviderInstanceEnabled({ driver: codex, config: {} })).toBe(true);
+    // Unknown fork drivers stay enabled.
+    expect(
+      resolveProviderInstanceEnabled({ driver: ProviderDriverKind.make("ollama"), config: {} }),
+    ).toBe(true);
     // Envelope flag wins over the driver default.
     expect(resolveProviderInstanceEnabled({ driver: grok, enabled: true, config: {} })).toBe(true);
     expect(resolveProviderInstanceEnabled({ driver: codex, enabled: false, config: {} })).toBe(
diff --git a/packages/contracts/src/settings.ts b/packages/contracts/src/settings.ts
index cf68dcf62de8f682c8950f0068a964fa8120fef2..50923423352b74924522917f94cb99d5d46c3d33 100644
--- a/packages/contracts/src/settings.ts
+++ b/packages/contracts/src/settings.ts
@@ -975,7 +975,7 @@ export const providerInstanceConfigEnabledFlag = (config: unknown): boolean | un
  * through `DEFAULT_SERVER_SETTINGS`, so the schema's decoding default stays
  * the single source of truth. Unknown (fork) drivers default to enabled.
  */
-export const defaultEnabledForDriver = (driver: ProviderDriverKind): boolean => {
+const defaultEnabledForDriver = (driver: ProviderDriverKind): boolean => {
   const legacyDefaults = DEFAULT_SERVER_SETTINGS.providers as Record<
     string,
     { readonly enabled?: boolean } | undefined