diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a0fe204ac..45be3aa1c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,6 +28,13 @@ repos:
         entry: cargo clippy --all-targets --all -- -D warnings
         pass_filenames: false
 
+      - id: udeps
+        name: udeps
+        language: system
+        files: '\.rs$'
+        entry: cargo +nightly udeps --all-targets
+        pass_filenames: false
+
       - id: test
         name: test
         language: system
diff --git a/.taskcluster.yml b/.taskcluster.yml
index fdcd11930..84401c7ec 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -41,6 +41,8 @@ tasks:
             - "-cx"
             - "curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && python3 get-pip.py &&
                rustup component add clippy rustfmt &&
+               rustup toolchain install nightly &&
+               curl -L https://github.com/est31/cargo-udeps/releases/download/v0.1.25/cargo-udeps-v0.1.25-x86_64-unknown-linux-gnu.tar.gz | tar xz -C /usr/local/cargo/bin --strip-components 2 &&
                git clone --quiet ${repository} &&
                cd rust-code-analysis &&
                git -c advice.detachedHead=false checkout ${head_rev} &&
diff --git a/tree-sitter-mozcpp/Cargo.toml b/tree-sitter-mozcpp/Cargo.toml
index 1c603b6cc..f3e06abb6 100644
--- a/tree-sitter-mozcpp/Cargo.toml
+++ b/tree-sitter-mozcpp/Cargo.toml
@@ -28,3 +28,6 @@ cc = "^1.0"
 # This dependency is not used at all for this crate, but it is here so that
 # dependabot can send notifications when there are updates for this grammar
 tree-sitter-cpp = "0.19.0"
+
+[package.metadata.cargo-udeps.ignore]
+build = ["tree-sitter-cpp"]
diff --git a/tree-sitter-mozjs/Cargo.toml b/tree-sitter-mozjs/Cargo.toml
index ab98eb9c5..9a93ecb4a 100644
--- a/tree-sitter-mozjs/Cargo.toml
+++ b/tree-sitter-mozjs/Cargo.toml
@@ -28,3 +28,6 @@ cc = "^1.0"
 # This dependency is not used at all for this crate, but it is here so that
 # dependabot can send notifications when there are updates for this grammar
 tree-sitter-javascript = "0.19.0"
+
+[package.metadata.cargo-udeps.ignore]
+build = ["tree-sitter-javascript"]