diff --git a/compiler/gen/tests/helpers/eval.rs b/compiler/gen/tests/helpers/eval.rs
index 7893a029bf..2d7ac95bb3 100644
--- a/compiler/gen/tests/helpers/eval.rs
+++ b/compiler/gen/tests/helpers/eval.rs
@@ -378,7 +378,7 @@ macro_rules! assert_evals_to {
             assert_llvm_evals_to!($src, $expected, $ty, (|val| val));
         }
         {
-            // assert_opt_evals_to!($src, $expected, $ty, (|val| val));
+            assert_opt_evals_to!($src, $expected, $ty, (|val| val));
         }
     };
     ($src:expr, $expected:expr, $ty:ty, $transform:expr) => {
@@ -387,7 +387,7 @@ macro_rules! assert_evals_to {
             assert_llvm_evals_to!($src, $expected, $ty, $transform);
         }
         {
-            // assert_opt_evals_to!($src, $expected, $ty, $transform);
+            assert_opt_evals_to!($src, $expected, $ty, $transform);
         }
     };
 }