diff --git a/units/src/amount/signed.rs b/units/src/amount/signed.rs
index 3c9df7f60..2d3846ab5 100644
--- a/units/src/amount/signed.rs
+++ b/units/src/amount/signed.rs
@@ -297,8 +297,6 @@ impl SignedAmount {
         self.display_in(denom).show_denomination().to_string()
     }
 
-    // Some arithmetic that doesn't fit in [`core::ops`] traits.
-
     /// Gets the absolute value of this [`SignedAmount`].
     #[must_use]
     pub fn abs(self) -> SignedAmount { SignedAmount(self.0.abs()) }
diff --git a/units/src/amount/unsigned.rs b/units/src/amount/unsigned.rs
index 9ee8d8cc0..db7017792 100644
--- a/units/src/amount/unsigned.rs
+++ b/units/src/amount/unsigned.rs
@@ -298,8 +298,6 @@ impl Amount {
         self.display_in(denom).show_denomination().to_string()
     }
 
-    // Some arithmetic that doesn't fit in [`core::ops`] traits.
-
     /// Checked addition.
     ///
     /// Returns [`None`] if the sum is larger than [`Amount::MAX`].