diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index ffb2d5bf61..6649288c2b 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -61948,36 +61948,6 @@ (define-public rust-tracing-tree-0.2
 events.")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-tracing-tree-0.1
-  (package
-    (inherit rust-tracing-tree-0.2)
-    (name "rust-tracing-tree")
-    (version "0.1.9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "tracing-tree" version))
-       (file-name
-        (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0rs9zjajlkhdxfgyajbi7l9bf569vrhsnqv7qqmvrngq0w4v84hp"))))
-    (build-system cargo-build-system)
-    (arguments
-     `(#:skip-build? #t
-       #:cargo-inputs
-       (("rust-ansi-term" ,rust-ansi-term-0.12)
-        ("rust-atty" ,rust-atty-0.2)
-        ("rust-termcolor" ,rust-termcolor-1)
-        ("rust-tracing" ,rust-tracing-0.1)
-        ("rust-tracing-log" ,rust-tracing-log-0.1)
-        ("rust-tracing-subscriber"
-         ,rust-tracing-subscriber-0.2))
-       #:cargo-development-inputs
-        (("rust-assert-cmd" ,rust-assert-cmd-1)
-         ("rust-glob" ,rust-glob-0.3)
-         ("rust-log" ,rust-log-0.4))))))
-
 (define-public rust-trackable-1
   (package
     (name "rust-trackable")