diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index c47c67a8fd..0250484a04 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -34324,27 +34324,6 @@ variant of this library is available separately as @code{im}.")
     (description "This package provides sized chunk datatypes.")
     (license license:mpl2.0)))
 
-(define-public rust-impl-codec-0.5
-  (package
-    (name "rust-impl-codec")
-    (version "0.5.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "impl-codec" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0hy4svffnw9idy9ipp0hkmbzk97fl583akqwyqmvbqy8qgzbs7hn"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-parity-scale-codec" ,rust-parity-scale-codec-2))))
-    (home-page "https://github.com/paritytech/parity-common")
-    (synopsis "Parity Codec serialization support for uint and fixed hash")
-    (description "This package provides Parity Codec serialization support
-for uint and fixed hash.")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-impl-more-0.1
   (package
     (name "rust-impl-more")