diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 7f607186db..27928302f2 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -55904,29 +55904,6 @@ variants in pure Rust.")
      "SipHash functions from rust-core < 1.13.")
     (license (list license:asl2.0 license:expat))))
 
-(define-public rust-size-format-1
-  (package
-    (name "rust-size-format")
-    (version "1.0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "size-format" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0fxjl0rc0x7yc14x885dh7jjf2jrlhpwf66akp3dxii246mzdmbf"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-generic-array" ,rust-generic-array-0.12)
-        ("rust-num" ,rust-num-0.2))))
-    (home-page "https://github.com/aticu/size_format")
-    (synopsis "Allow easier formatting of sizes")
-    (description "This package allows for easier formatting of sizes.")
-    (license (list license:expat license:asl2.0))))
-
 (define-public rust-sized-chunks-0.6
   (package
     (name "rust-sized-chunks")