diff --git a/src/lint.ts b/src/lint.ts
index 5c67c2d..ea96f20 100644
--- a/src/lint.ts
+++ b/src/lint.ts
@@ -53,6 +53,11 @@ export async function diagnosticsForDocument(request: {
     return [];
   }
 
+  // Skip linting if the user navigates to a system framework interface file.
+  if (request.document.uri.fsPath.includes(".swiftinterface")) {
+    return [];
+  }
+
   const workspaceOrRoot =
     request.workspaceFolder?.uri.fsPath ?? path.normalize("/");
   const relativeDocumentPath = path.relative(