diff --git a/src/monomorphize_collector.rs b/src/monomorphize_collector.rs
index 8c59228..7ea14bb 100644
--- a/src/monomorphize_collector.rs
+++ b/src/monomorphize_collector.rs
@@ -785,12 +785,7 @@ pub fn should_codegen_locally<'tcx>(tcx: TyCtxt<'tcx>, instance: &Instance<'tcx>
         return true;
     }
 
-    if tcx.is_reachable_non_generic(def_id)
-        || instance
-            .polymorphize(tcx)
-            .upstream_monomorphization(tcx)
-            .is_some()
-    {
+    if tcx.is_reachable_non_generic(def_id) || instance.upstream_monomorphization(tcx).is_some() {
         // We can link to the item in question, no instance needed in this crate.
         return false;
     }
@@ -926,7 +921,7 @@ fn create_fn_mono_item<'tcx>(
     instance: Instance<'tcx>,
     source: Span,
 ) -> Spanned<MonoItem<'tcx>> {
-    respan(source, MonoItem::Fn(instance.polymorphize(tcx)))
+    respan(source, MonoItem::Fn(instance))
 }
 
 /// Creates a `MonoItem` for each method that is referenced by the vtable for