diff --git a/fastfield_codecs/src/compact_space/mod.rs b/fastfield_codecs/src/compact_space/mod.rs
index aca7625ad..d137b30f4 100644
--- a/fastfield_codecs/src/compact_space/mod.rs
+++ b/fastfield_codecs/src/compact_space/mod.rs
@@ -14,7 +14,6 @@ use std::{
     cmp::Ordering,
     collections::BTreeSet,
     io::{self, Write},
-    net::{IpAddr, Ipv6Addr},
     ops::RangeInclusive,
 };
 
@@ -28,14 +27,6 @@ use crate::Column;
 mod blank_range;
 mod build_compact_space;
 
-pub fn ip_to_u128(ip_addr: IpAddr) -> u128 {
-    let ip_addr_v6: Ipv6Addr = match ip_addr {
-        IpAddr::V4(v4) => v4.to_ipv6_mapped(),
-        IpAddr::V6(v6) => v6,
-    };
-    u128::from_be_bytes(ip_addr_v6.octets())
-}
-
 /// The cost per blank is quite hard actually, since blanks are delta encoded, the actual cost of
 /// blanks depends on the number of blanks.
 ///
diff --git a/fastfield_codecs/src/lib.rs b/fastfield_codecs/src/lib.rs
index 3168543ea..88bc2953d 100644
--- a/fastfield_codecs/src/lib.rs
+++ b/fastfield_codecs/src/lib.rs
@@ -30,7 +30,6 @@ mod serialize;
 use self::bitpacked::BitpackedCodec;
 use self::blockwise_linear::BlockwiseLinearCodec;
 pub use self::column::{monotonic_map_column, Column, VecColumn};
-pub use self::compact_space::ip_to_u128;
 use self::linear::LinearCodec;
 pub use self::monotonic_mapping::MonotonicallyMappableToU64;
 pub use self::serialize::{