diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d1b381..1db3027 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
           rustup +nightly component add clippy
           cargo install cargo-dylint dylint-link || true
           cargo install cargo-supply-chain       || true
-          cargo install group-runner             || true
+          cargo install unset                    || true
 
       - name: Update
         if: ${{ runner.os == 'Linux' }}
@@ -83,7 +83,7 @@ jobs:
         run: cargo test --no-run
 
       - name: Test
-        run: cargo test --config "target.'cfg(all())'.runner = 'group-runner'"
+        run: cargo test --config "target.'cfg(all())'.runner = 'unset'"
 
   all-checks:
     needs: [test]
diff --git a/Cargo.lock b/Cargo.lock
index bf780c4..abab5a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -106,7 +106,6 @@ dependencies = [
  "anyhow",
  "assert_cmd",
  "cargo_metadata",
- "ctor",
  "home",
  "regex",
  "serde",
@@ -174,16 +173,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "ctor"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8f521dd9c9e5f03986eb5c674b14b21e9ccf2eb9f98fecb681100214d5e9e4f"
-dependencies = [
- "link-section",
- "linktime-proc-macro",
-]
-
 [[package]]
 name = "difflib"
 version = "0.4.0"
@@ -309,18 +298,6 @@ version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
-[[package]]
-name = "link-section"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0567ec9fe5ffdf9241cd90a7629f250a5f903d6ff4573cf7903308662d6fce40"
-
-[[package]]
-name = "linktime-proc-macro"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a44cd706ff0d503ee32b2071166510ca27e281228de10cd3aa8d35ff94560f81"
-
 [[package]]
 name = "linux-raw-sys"
 version = "0.12.1"
diff --git a/Cargo.toml b/Cargo.toml
index 5749993..2d30b46 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,6 @@ xdg = "3.0"
 [dev-dependencies]
 assert_cmd = "2.2"
 cargo_metadata = "0.23"
-ctor = "0.12"
 serde = "1.0"
 serde_json = "1.0"
 similar-asserts = "2.0"
diff --git a/src/util/common.rs b/src/util/common.rs
index 26ee7fd..3c96cdb 100644
--- a/src/util/common.rs
+++ b/src/util/common.rs
@@ -119,7 +119,7 @@ pub fn split_and_expand(build_script_path: &Path) -> Result<Vec<String>> {
         .into_iter()
         .map(|arg| expand(&arg, Some(build_script_path)))
         .collect::<Result<Vec<_>>>()?;
-    eprintln!("expanded `BUILD_WRAP_CMD`: {:#?}", &expanded_args);
+    eprintln!("expanded `BUILD_WRAP_CMD`: {expanded_args:#?}");
     ensure!(
         !expanded_args.is_empty(),
         "expanded `BUILD_WRAP_CMD` is empty or all whitespace"
diff --git a/tests/integration/util.rs b/tests/integration/util.rs
index ad6adc7..d2e332d 100644
--- a/tests/integration/util.rs
+++ b/tests/integration/util.rs
@@ -24,13 +24,6 @@ use std::{
 mod main_util;
 pub use main_util::*;
 
-#[ctor::ctor]
-fn initialize() {
-    unsafe {
-        env::set_var("CARGO_TERM_COLOR", "never");
-    }
-}
-
 #[must_use]
 pub fn build_with_build_wrap() -> Command {
     let build_wrap = env!("CARGO_BIN_EXE_build-wrap");
diff --git a/unset.txt b/unset.txt
new file mode 100644
index 0000000..17edb6b
--- /dev/null
+++ b/unset.txt
@@ -0,0 +1 @@
+CARGO_TERM_COLOR