diff --git a/compiler/rustc_lint/src/passes.rs b/compiler/rustc_lint/src/passes.rs
index c4f5f152de5..2a843977990 100644
--- a/compiler/rustc_lint/src/passes.rs
+++ b/compiler/rustc_lint/src/passes.rs
@@ -237,5 +237,5 @@ fn name(&self) -> &'static str {
 }
 
 /// A lint pass boxed up as a trait object.
-pub type EarlyLintPassObject = Box<dyn EarlyLintPass + 'static>;
-pub type LateLintPassObject<'tcx> = Box<dyn LateLintPass<'tcx> + 'tcx>;
+pub(crate) type EarlyLintPassObject = Box<dyn EarlyLintPass + 'static>;
+pub(crate) type LateLintPassObject<'tcx> = Box<dyn LateLintPass<'tcx> + 'tcx>;