diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 52f85254f3..03674ce1d1 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -3211,36 +3211,6 @@ assertions on the result of your program's run.")
     (description "Macro for static assert types implement a trait or not")
     (license license:expat)))
 
-(define-public rust-assert-json-diff-1
-  (package
-    (name "rust-assert-json-diff")
-    (version "1.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "assert-json-diff" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1h2w4n8f8a1n9sc8snka0arzw5x95ky5k8i7603z3lhkcplwnna2"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-extend" ,rust-extend-0.1)
-        ("rust-serde" ,rust-serde-1)
-        ("rust-serde-json" ,rust-serde-json-1))
-       #:cargo-development-inputs
-       (("rust-version-sync" ,rust-version-sync-0.8))))
-    (home-page "https://github.com/davidpdrsn/assert-json-diff")
-    (synopsis "Easily compare two JSON values and get great output")
-    (description
-     "This crate includes macros for comparing two serializable values
-by diffing their JSON representations.  It is designed to give much
-more helpful error messages than the standard @code{assert_eq!}.  It
-basically does a diff of the two objects and tells you the exact
-differences.  This is useful when asserting that two large JSON
-objects are the same.")
-    (license license:expat)))
-
 (define-public rust-assert-matches-1
   (package
     (name "rust-assert-matches")