diff --git a/compiler/constrain/src/expr.rs b/compiler/constrain/src/expr.rs
index c4c69b6208..32d449f7b0 100644
--- a/compiler/constrain/src/expr.rs
+++ b/compiler/constrain/src/expr.rs
@@ -1985,8 +1985,8 @@ pub fn rec_defs_help(
                             def,
                             &mut def_pattern_state,
                             &mut state,
-                            &arguments,
-                            &arg_types,
+                            arguments,
+                            arg_types,
                         );
                         let pattern_types = arguments.iter().map(|a| Type::Variable(a.0)).collect();
 
diff --git a/compiler/mono/src/ir.rs b/compiler/mono/src/ir.rs
index 751c38fe4f..1b0875c14a 100644
--- a/compiler/mono/src/ir.rs
+++ b/compiler/mono/src/ir.rs
@@ -5762,7 +5762,7 @@ fn to_opt_branches<'a>(
             Guard::NoGuard
         };
 
-        if when_branch.redundant.is_redundant(&env.subs) {
+        if when_branch.redundant.is_redundant(env.subs) {
             // Don't codegen this branch since it's redundant.
             continue;
         }