diff --git a/Cargo.lock b/Cargo.lock
index 43f96c11179..7c78896aad1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1135,7 +1135,6 @@ name = "crown"
 version = "0.0.1"
 dependencies = [
  "compiletest_rs",
- "once_cell",
 ]
 
 [[package]]
diff --git a/support/crown/Cargo.toml b/support/crown/Cargo.toml
index 100b0e6d5e4..8c2bc3a5306 100644
--- a/support/crown/Cargo.toml
+++ b/support/crown/Cargo.toml
@@ -11,7 +11,6 @@ publish = false
 # so it needs to make sense without the workspace manifest.
 [dev-dependencies]
 compiletest_rs = { version = "0.11", features = ["tmp"] }
-once_cell = "1"
 
 [features]
 default = ["unrooted_must_root_lint", "trace_in_no_trace_lint"]
diff --git a/support/crown/tests/compile_test.rs b/support/crown/tests/compile_test.rs
index 32f8d6c42fd..6cefdd2d5b5 100644
--- a/support/crown/tests/compile_test.rs
+++ b/support/crown/tests/compile_test.rs
@@ -4,11 +4,11 @@
 
 use std::env;
 use std::path::PathBuf;
+use std::sync::LazyLock;
 
 use compiletest_rs as compiletest;
-use once_cell::sync::Lazy;
 
-static PROFILE_PATH: Lazy<PathBuf> = Lazy::new(|| {
+static PROFILE_PATH: LazyLock<PathBuf> = LazyLock::new(|| {
     let current_exe_path = env::current_exe().unwrap();
     let deps_path = current_exe_path.parent().unwrap();
     let profile_path = deps_path.parent().unwrap();