diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs
index 1d49024f13e..41ca9ba8425 100644
--- a/library/std/src/net/ip.rs
+++ b/library/std/src/net/ip.rs
@@ -14,9 +14,6 @@ use crate::sys_common::{FromInner, IntoInner};
 /// This enum can contain either an [`Ipv4Addr`] or an [`Ipv6Addr`], see their
 /// respective documentation for more details.
 ///
-/// The size of an `IpAddr` instance may vary depending on the target operating
-/// system.
-///
 /// # Examples
 ///
 /// ```
@@ -49,9 +46,6 @@ pub enum IpAddr {
 ///
 /// See [`IpAddr`] for a type encompassing both IPv4 and IPv6 addresses.
 ///
-/// The size of an `Ipv4Addr` struct may vary depending on the target operating
-/// system.
-///
 /// [IETF RFC 791]: https://tools.ietf.org/html/rfc791
 ///
 /// # Textual representation
@@ -87,9 +81,6 @@ pub struct Ipv4Addr {
 /// IPv6 addresses are defined as 128-bit integers in [IETF RFC 4291].
 /// They are usually represented as eight 16-bit segments.
 ///
-/// The size of an `Ipv6Addr` struct may vary depending on the target operating
-/// system.
-///
 /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291
 ///
 /// # Embedding IPv4 Addresses