diff --git a/compiler/test_gen/src/helpers/dev.rs b/compiler/test_gen/src/helpers/dev.rs
index 0ecd1bb37c..1210ce98e3 100644
--- a/compiler/test_gen/src/helpers/dev.rs
+++ b/compiler/test_gen/src/helpers/dev.rs
@@ -107,15 +107,12 @@ pub fn helper(
     let mut delayed_errors = Vec::new();
 
     for (home, (module_path, src)) in loaded.sources {
-        use roc_reporting::report::{
-            can_problem, mono_problem, type_problem, RocDocAllocator, DEFAULT_PALETTE,
-        };
+        use roc_reporting::report::{can_problem, type_problem, RocDocAllocator, DEFAULT_PALETTE};
 
         let can_problems = loaded.can_problems.remove(&home).unwrap_or_default();
         let type_problems = loaded.type_problems.remove(&home).unwrap_or_default();
-        let mono_problems = loaded.mono_problems.remove(&home).unwrap_or_default();
 
-        let error_count = can_problems.len() + type_problems.len() + mono_problems.len();
+        let error_count = can_problems.len() + type_problems.len();
 
         if error_count == 0 {
             continue;
@@ -156,15 +153,6 @@ pub fn helper(
                 lines.push(buf);
             }
         }
-
-        for problem in mono_problems {
-            let report = mono_problem(&alloc, &line_info, module_path.clone(), problem);
-            let mut buf = String::new();
-
-            report.render_color_terminal(&mut buf, &alloc, &palette);
-
-            lines.push(buf);
-        }
     }
 
     if !lines.is_empty() {