diff --git a/exercises/13_error_handling/errors4.rs b/exercises/13_error_handling/errors4.rs
index e41d594..ba01e54 100644
--- a/exercises/13_error_handling/errors4.rs
+++ b/exercises/13_error_handling/errors4.rs
@@ -1,5 +1,3 @@
-#![allow(clippy::comparison_chain)]
-
 #[derive(PartialEq, Debug)]
 enum CreationError {
     Negative,
diff --git a/solutions/13_error_handling/errors4.rs b/solutions/13_error_handling/errors4.rs
index f4d39bf..7f176cf 100644
--- a/solutions/13_error_handling/errors4.rs
+++ b/solutions/13_error_handling/errors4.rs
@@ -1,5 +1,3 @@
-#![allow(clippy::comparison_chain)]
-
 #[derive(PartialEq, Debug)]
 enum CreationError {
     Negative,
@@ -11,12 +9,10 @@ struct PositiveNonzeroInteger(u64);
 
 impl PositiveNonzeroInteger {
     fn new(value: i64) -> Result<Self, CreationError> {
-        if value == 0 {
-            Err(CreationError::Zero)
-        } else if value < 0 {
-            Err(CreationError::Negative)
-        } else {
-            Ok(Self(value as u64))
+        match value.cmp(&0) {
+            Ordering::Less => Err(CreationError::Negative),
+            Ordering::Equal => Err(CreationError::Zero),
+            Ordering::Greater => Ok(Self(value as u64)),
         }
     }
 }