diff --git a/postgres-types/Cargo.toml b/postgres-types/Cargo.toml
index 193d159a1..cfd083637 100644
--- a/postgres-types/Cargo.toml
+++ b/postgres-types/Cargo.toml
@@ -39,8 +39,10 @@ chrono-04 = { version = "0.4.16", package = "chrono", default-features = false,
     "clock",
 ], optional = true }
 cidr-02 = { version = "0.2", package = "cidr", optional = true }
+# eui48-04 will stop compiling and support will be removed
+# See https://github.com/sfackler/rust-postgres/issues/1073
 eui48-04 = { version = "0.4", package = "eui48", optional = true }
-eui48-1 = { version = "1.0", package = "eui48", optional = true }
+eui48-1 = { version = "1.0", package = "eui48", optional = true, default-features = false }
 geo-types-06 = { version = "0.6", package = "geo-types", optional = true }
 geo-types-0_7 = { version = "0.7", package = "geo-types", optional = true }
 serde-1 = { version = "1.0", package = "serde", optional = true }
diff --git a/postgres/src/lib.rs b/postgres/src/lib.rs
index fbe85cbde..ddf1609ad 100644
--- a/postgres/src/lib.rs
+++ b/postgres/src/lib.rs
@@ -55,7 +55,7 @@
 //! | ------- | ----------- | ------------------ | ------- |
 //! | `with-bit-vec-0_6` | Enable support for the `bit-vec` crate. | [bit-vec](https://crates.io/crates/bit-vec) 0.6 | no |
 //! | `with-chrono-0_4` | Enable support for the `chrono` crate. | [chrono](https://crates.io/crates/chrono) 0.4 | no |
-//! | `with-eui48-0_4` | Enable support for the 0.4 version of the `eui48` crate. | [eui48](https://crates.io/crates/eui48) 0.4 | no |
+//! | `with-eui48-0_4` | Enable support for the 0.4 version of the `eui48` crate. This is deprecated and will be removed. | [eui48](https://crates.io/crates/eui48) 0.4 | no |
 //! | `with-eui48-1` | Enable support for the 1.0 version of the `eui48` crate. | [eui48](https://crates.io/crates/eui48) 1.0 | no |
 //! | `with-geo-types-0_6` | Enable support for the 0.6 version of the `geo-types` crate. | [geo-types](https://crates.io/crates/geo-types/0.6.0) 0.6 | no |
 //! | `with-geo-types-0_7` | Enable support for the 0.7 version of the `geo-types` crate. | [geo-types](https://crates.io/crates/geo-types/0.7.0) 0.7 | no |
diff --git a/tokio-postgres/CHANGELOG.md b/tokio-postgres/CHANGELOG.md
index 75448d130..bd076eef9 100644
--- a/tokio-postgres/CHANGELOG.md
+++ b/tokio-postgres/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## Unreleased
+
+* Disable `rustc-serialize` compatibility of `eui48-1` dependency
+* Remove tests for `eui48-04`
+
+
 ## v0.7.10 - 2023-08-25
 
 ## Fixed
diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index ec5e3cbec..bb58eb2d9 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -78,8 +78,7 @@ tokio = { version = "1.0", features = [
 
 bit-vec-06 = { version = "0.6", package = "bit-vec" }
 chrono-04 = { version = "0.4", package = "chrono", default-features = false }
-eui48-04 = { version = "0.4", package = "eui48" }
-eui48-1 = { version = "1.0", package = "eui48" }
+eui48-1 = { version = "1.0", package = "eui48", default-features = false }
 geo-types-06 = { version = "0.6", package = "geo-types" }
 geo-types-07 = { version = "0.7", package = "geo-types" }
 serde-1 = { version = "1.0", package = "serde" }
diff --git a/tokio-postgres/src/lib.rs b/tokio-postgres/src/lib.rs
index ff8e93ddc..2973d33b0 100644
--- a/tokio-postgres/src/lib.rs
+++ b/tokio-postgres/src/lib.rs
@@ -107,7 +107,7 @@
 //! | `array-impls` | Enables `ToSql` and `FromSql` trait impls for arrays | - | no |
 //! | `with-bit-vec-0_6` | Enable support for the `bit-vec` crate. | [bit-vec](https://crates.io/crates/bit-vec) 0.6 | no |
 //! | `with-chrono-0_4` | Enable support for the `chrono` crate. | [chrono](https://crates.io/crates/chrono) 0.4 | no |
-//! | `with-eui48-0_4` | Enable support for the 0.4 version of the `eui48` crate. | [eui48](https://crates.io/crates/eui48) 0.4 | no |
+//! | `with-eui48-0_4` | Enable support for the 0.4 version of the `eui48` crate. This is deprecated and will be removed. | [eui48](https://crates.io/crates/eui48) 0.4 | no |
 //! | `with-eui48-1` | Enable support for the 1.0 version of the `eui48` crate. | [eui48](https://crates.io/crates/eui48) 1.0 | no |
 //! | `with-geo-types-0_6` | Enable support for the 0.6 version of the `geo-types` crate. | [geo-types](https://crates.io/crates/geo-types/0.6.0) 0.6 | no |
 //! | `with-geo-types-0_7` | Enable support for the 0.7 version of the `geo-types` crate. | [geo-types](https://crates.io/crates/geo-types/0.7.0) 0.7 | no |
diff --git a/tokio-postgres/tests/test/types/eui48_04.rs b/tokio-postgres/tests/test/types/eui48_04.rs
deleted file mode 100644
index 074faa37e..000000000
--- a/tokio-postgres/tests/test/types/eui48_04.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-use eui48_04::MacAddress;
-
-use crate::types::test_type;
-
-#[tokio::test]
-async fn test_eui48_params() {
-    test_type(
-        "MACADDR",
-        &[
-            (
-                Some(MacAddress::parse_str("12-34-56-AB-CD-EF").unwrap()),
-                "'12-34-56-ab-cd-ef'",
-            ),
-            (None, "NULL"),
-        ],
-    )
-    .await
-}
diff --git a/tokio-postgres/tests/test/types/mod.rs b/tokio-postgres/tests/test/types/mod.rs
index f1a44da08..62d54372a 100644
--- a/tokio-postgres/tests/test/types/mod.rs
+++ b/tokio-postgres/tests/test/types/mod.rs
@@ -17,8 +17,6 @@ use bytes::BytesMut;
 mod bit_vec_06;
 #[cfg(feature = "with-chrono-0_4")]
 mod chrono_04;
-#[cfg(feature = "with-eui48-0_4")]
-mod eui48_04;
 #[cfg(feature = "with-eui48-1")]
 mod eui48_1;
 #[cfg(feature = "with-geo-types-0_6")]