diff --git a/gnu/packages/crates-crypto.scm b/gnu/packages/crates-crypto.scm
index 817328bfea..e728bf479c 100644
--- a/gnu/packages/crates-crypto.scm
+++ b/gnu/packages/crates-crypto.scm
@@ -3302,3 +3302,97 @@ (define-public rust-sha3-0.9
        #:cargo-development-inputs
        (("rust-digest" ,rust-digest-0.9)
         ("rust-hex-literal" ,rust-hex-literal-0.2))))))
+
+(define-public rust-signature-2
+  (package
+    (name "rust-signature")
+    (version "2.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "signature" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "00457czdia5gvll3a1vzf2ffsdpgcz2dz0h56z7zk28nsbp8h5sy"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-digest" ,rust-digest-0.10)
+        ("rust-rand-core" ,rust-rand-core-0.6)
+        ("rust-signature-derive" ,rust-signature-derive-2))
+       #:cargo-development-inputs
+       (("rust-hex-literal" ,rust-hex-literal-0.3)
+        ("rust-sha2" ,rust-sha2-0.10))))
+    (home-page "https://github.com/RustCrypto/traits/tree/master/signature")
+    (synopsis
+     "Traits for cryptographic signature algorithms (e.g. ECDSA, Ed25519)")
+    (description
+     "This package contains traits which provide generic, object-safe APIs
+for generating and verifying digital signatures.")
+    (license (list license:asl2.0 license:expat))))
+
+(define-public rust-signature-1
+  (package
+    (inherit rust-signature-2)
+    (name "rust-signature")
+    (version "1.6.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "signature" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0z3xg405pg827g6hfdprnszsdqkkbrsfx7f1dl04nv9g7cxks8vl"))))
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-digest" ,rust-digest-0.10)
+        ("rust-rand-core" ,rust-rand-core-0.6)
+        ("rust-signature-derive" ,rust-signature-derive-1))))))
+
+(define-public rust-signature-derive-2
+  (package
+    (name "rust-signature-derive")
+    (version "2.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "signature_derive" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1z0mjjg3fpj08kc3nkax4lczgp7sfzbcm8q2qgim865510wkgpxc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-2))))
+    (home-page
+     "https://github.com/RustCrypto/traits/tree/master/signature/derive")
+    (synopsis "Custom derive support for the 'signature' crate")
+    (description "This package provides proc macros used by the signature
+crate.
+
+It's not intended to be used directly.  See the signature crate's documentation
+for additional details.")
+    (license (list license:asl2.0 license:expat))))
+
+(define-public rust-signature-derive-1
+  (package
+    (inherit rust-signature-derive-2)
+    (name "rust-signature-derive")
+    (version "1.0.0-pre.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "signature_derive" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "03wj342zvljknqwg3qbc9acrcsrzhdp1d2d6pfrh4p1b087k3rln"))))
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1)
+        ("rust-synstructure" ,rust-synstructure-0.12))))))
diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 414658a963..b73dcbed5e 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -64141,100 +64141,6 @@ (define-public rust-signal-hook-registry-1
     (description "This package is a backend crate for @code{signal-hook}.")
     (license (list license:asl2.0 license:expat))))
 
-(define-public rust-signature-2
-  (package
-    (name "rust-signature")
-    (version "2.1.0")
-    (source (origin
-              (method url-fetch)
-              (uri (crate-uri "signature" version))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "00457czdia5gvll3a1vzf2ffsdpgcz2dz0h56z7zk28nsbp8h5sy"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-digest" ,rust-digest-0.10)
-        ("rust-rand-core" ,rust-rand-core-0.6)
-        ("rust-signature-derive" ,rust-signature-derive-2))
-       #:cargo-development-inputs
-       (("rust-hex-literal" ,rust-hex-literal-0.3)
-        ("rust-sha2" ,rust-sha2-0.10))))
-    (home-page "https://github.com/RustCrypto/traits/tree/master/signature")
-    (synopsis
-     "Traits for cryptographic signature algorithms (e.g. ECDSA, Ed25519)")
-    (description
-     "This package contains traits which provide generic, object-safe APIs
-for generating and verifying digital signatures.")
-    (license (list license:asl2.0 license:expat))))
-
-(define-public rust-signature-1
-  (package
-    (inherit rust-signature-2)
-    (name "rust-signature")
-    (version "1.6.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "signature" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0z3xg405pg827g6hfdprnszsdqkkbrsfx7f1dl04nv9g7cxks8vl"))))
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-digest" ,rust-digest-0.10)
-        ("rust-rand-core" ,rust-rand-core-0.6)
-        ("rust-signature-derive" ,rust-signature-derive-1))))))
-
-(define-public rust-signature-derive-2
-  (package
-    (name "rust-signature-derive")
-    (version "2.0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (crate-uri "signature_derive" version))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1z0mjjg3fpj08kc3nkax4lczgp7sfzbcm8q2qgim865510wkgpxc"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:cargo-inputs
-       (("rust-proc-macro2" ,rust-proc-macro2-1)
-        ("rust-quote" ,rust-quote-1)
-        ("rust-syn" ,rust-syn-2))))
-    (home-page
-     "https://github.com/RustCrypto/traits/tree/master/signature/derive")
-    (synopsis "Custom derive support for the 'signature' crate")
-    (description "This package provides proc macros used by the signature
-crate.
-
-It's not intended to be used directly.  See the signature crate's documentation
-for additional details.")
-    (license (list license:asl2.0 license:expat))))
-
-(define-public rust-signature-derive-1
-  (package
-    (inherit rust-signature-derive-2)
-    (name "rust-signature-derive")
-    (version "1.0.0-pre.7")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "signature_derive" version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "03wj342zvljknqwg3qbc9acrcsrzhdp1d2d6pfrh4p1b087k3rln"))))
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-proc-macro2" ,rust-proc-macro2-1)
-        ("rust-quote" ,rust-quote-1)
-        ("rust-syn" ,rust-syn-1)
-        ("rust-synstructure" ,rust-synstructure-0.12))))))
-
 (define-public rust-simba-0.8
   (package
     (name "rust-simba")