diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 3ea8e8aa94..8012786a89 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -36198,31 +36198,6 @@ streaming API for miniz_oxide.")
     (arguments
      `(#:cargo-inputs (("rust-adler32" ,rust-adler32-1))))))
 
-(define-public rust-miniz-sys-0.1
-  (package
-    (name "rust-miniz-sys")
-    (version "0.1.12")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "miniz-sys" version))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-         (base32
-          "00l2r4anm8g35x0js2zfdnwfbrih9m43vphdpb77c5ga3kjkm7hy"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-libc" ,rust-libc-0.2)
-        ;; Build dependencies:
-        ("rust-cc" ,rust-cc-1))))
-    (home-page "https://github.com/alexcrichton/flate2-rs")
-    (synopsis "Bindings to the miniz.c library")
-    (description
-     "This package provides bindings to the @code{miniz.c} library.")
-    (license (list license:asl2.0
-                   license:expat))))
-
 (define-public rust-mint-0.5
   (package
     (name "rust-mint")