diff --git a/compiler/mono/src/expr.rs b/compiler/mono/src/expr.rs
index f8313d333b..a62c9d7c9f 100644
--- a/compiler/mono/src/expr.rs
+++ b/compiler/mono/src/expr.rs
@@ -52,6 +52,8 @@ pub enum InProgressProc<'a> {
 }
 
 impl<'a> Procs<'a> {
+    // TODO trim down these arguments!
+    #[allow(clippy::too_many_arguments)]
     pub fn insert_named(
         &mut self,
         env: &mut Env<'a, '_>,