diff --git a/hermit-abi/src/lib.rs b/hermit-abi/src/lib.rs
index 5e7fcb6b1..8292ad05d 100644
--- a/hermit-abi/src/lib.rs
+++ b/hermit-abi/src/lib.rs
@@ -39,10 +39,6 @@ pub const HIGH_PRIO: Priority = Priority::from(3);
 pub const NORMAL_PRIO: Priority = Priority::from(2);
 pub const LOW_PRIO: Priority = Priority::from(1);
 
-/// A handle, identifying a socket
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default, Hash)]
-pub struct Handle(usize);
-
 pub const FUTEX_RELATIVE_TIMEOUT: u32 = 1;
 pub const CLOCK_REALTIME: clockid_t = 1;
 pub const CLOCK_MONOTONIC: clockid_t = 4;
@@ -87,34 +83,6 @@ pub struct timeval {
 	pub tv_usec: suseconds_t,
 }
 
-/// Internet protocol version.
-#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
-pub enum Version {
-	Unspecified,
-	Ipv4,
-	Ipv6,
-}
-
-/// A four-octet IPv4 address.
-#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default)]
-pub struct Ipv4Address(pub [u8; 4]);
-
-/// A sixteen-octet IPv6 address.
-#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default)]
-pub struct Ipv6Address(pub [u8; 16]);
-
-/// An internetworking address.
-#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
-pub enum IpAddress {
-	/// An unspecified address.
-	/// May be used as a placeholder for storage where the address is not assigned yet.
-	Unspecified,
-	/// An IPv4 address.
-	Ipv4(Ipv4Address),
-	/// An IPv6 address.
-	Ipv6(Ipv6Address),
-}
-
 /// The largest number `rand` will return
 pub const RAND_MAX: i32 = 2_147_483_647;