diff --git a/src/copilot-model.ts b/src/copilot-model.ts
index 7526eb57e..42d1d64fc 100644
--- a/src/copilot-model.ts
+++ b/src/copilot-model.ts
@@ -9,7 +9,7 @@ interface CopilotModelValidationFailure {
   message: string;
 }
 
-export type CopilotModelValidationResult =
+type CopilotModelValidationResult =
   | CopilotModelValidationSuccess
   | CopilotModelValidationFailure;