diff --git a/radicle-surf/Cargo.toml b/radicle-surf/Cargo.toml
index 498dfa5..e39c8fc 100644
--- a/radicle-surf/Cargo.toml
+++ b/radicle-surf/Cargo.toml
@@ -29,10 +29,7 @@ gh-actions = []
 
 [dependencies]
 base64 = "0.13"
-either = "1.5"
-nom = "6"
 nonempty = "0.5"
-regex = ">= 1.5.5"
 serde = { features = ["serde_derive"], optional = true, version = "1" }
 thiserror = "1.0"
 
@@ -51,17 +48,7 @@ version = "0.2.0"
 path = "../radicle-git-ext"
 features = ["serde"]
 
-[dev-dependencies]
-criterion = "0.3"
-pretty_assertions = "1.3.0"
-proptest = "0.9"
-serde_json = "1"
-
 [build-dependencies]
 anyhow = "1.0"
 flate2 = "1"
 tar = "0.4"
-
-[[bench]]
-name = "last_commit"
-harness = false
diff --git a/radicle-surf/benches/last_commit.rs b/radicle-surf/benches/last_commit.rs
deleted file mode 100644
index 76b69ac..0000000
--- a/radicle-surf/benches/last_commit.rs
+++ /dev/null
@@ -1,45 +0,0 @@
-// This file is part of radicle-surf
-// <https://github.com/radicle-dev/radicle-surf>
-//
-// Copyright (C) 2019-2020 The Radicle Team <dev@radicle.xyz>
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 3 or
-// later as published by the Free Software Foundation.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
-use git_ref_format::refname;
-use radicle_surf::{
-    file_system::{unsound, Path},
-    git::{Branch, Repository},
-};
-
-fn last_commit_comparison(c: &mut Criterion) {
-    let repo = Repository::open("./data/git-platinum")
-        .expect("Could not retrieve ./data/git-platinum as git repository");
-    let rev = Branch::local(refname!("master"));
-
-    let mut group = c.benchmark_group("Last Commit");
-    for path in [
-        Path::root(),
-        unsound::path::new("~/src/memory.rs"),
-        unsound::path::new("~/this/is/a/really/deeply/nested/directory/tree"),
-    ]
-    .iter()
-    {
-        group.bench_with_input(BenchmarkId::new("", path), path, |b, path| {
-            b.iter(|| repo.last_commit(path.clone(), &rev))
-        });
-    }
-}
-
-criterion_group!(benches, last_commit_comparison);
-criterion_main!(benches);
diff --git a/test/test-helpers/Cargo.toml b/test/test-helpers/Cargo.toml
index adf0ac8..9605f7a 100644
--- a/test/test-helpers/Cargo.toml
+++ b/test/test-helpers/Cargo.toml
@@ -21,13 +21,10 @@ tempfile = "3.3"
 tracing = "0.1"
 proptest = "1"
 
-# [dependencies.link-canonical]
-# path = "../../link-canonical"
-
 [dependencies.minicbor]
 version = "0.13"
 features = ["std"]
 
 [dependencies.tracing-subscriber]
-version = "0.3.7"
+version = "0.3.16"
 features = ["std", "env-filter", "fmt", "json"]