diff --git a/libimagerror/src/error_gen.rs b/libimagerror/src/error_gen.rs
index e46ce184..38cb1590 100644
--- a/libimagerror/src/error_gen.rs
+++ b/libimagerror/src/error_gen.rs
@@ -242,11 +242,15 @@ mod test {
 
     generate_error_imports!();
 
+    #[allow(dead_code)]
     generate_custom_error_types!(CustomTestError, CustomTestErrorKind,
         CustomData,
         CustomErrorKindA => "customerrorkind a",
         CustomErrorKindB => "customerrorkind B");
 
+    // Allow dead code here.
+    // We wrote this to show that custom test types can be implemented.
+    #[allow(dead_code)]
     impl CustomTestError {
         pub fn test(&self) -> i32 {
             match self.custom_data {
@@ -412,7 +416,7 @@ mod test {
         let something : Option<i32> = None;
         match something.ok_or_errkind(TestErrorKind::TestErrorKindA) {
             Ok(_)  => assert!(false),
-            Err(e) => assert!(true),
+            Err(_) => assert!(true),
         }
     }