3 files changed, 11 insertions, 19 deletions
diff --git a/Cargo.lock b/Cargo.lock
index b4f23721c7c..3096b8c40f7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1753,11 +1753,10 @@ dependencies = [
  "fs-err",
  "getopts",
  "jsonpath_lib",
- "lazy_static",
+ "once_cell",
  "regex",
- "serde",
  "serde_json",
- "shlex 0.1.1",
+ "shlex",
 ]
 
 [[package]]
@@ -2138,7 +2137,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "shlex 1.0.0",
+ "shlex",
  "tempfile",
  "toml",
 ]
@@ -4815,12 +4814,6 @@ checksum = "45bb67a18fa91266cc7807181f62f9178a6873bfad7dc788c42e6430db40184f"
 
 [[package]]
 name = "shlex"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
-
-[[package]]
-name = "shlex"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42a568c8f2cd051a4d283bd6eb0343ac214c1b0f1ac19f93e1175b2dee38c73d"
diff --git a/src/tools/jsondocck/Cargo.toml b/src/tools/jsondocck/Cargo.toml
index a6efc4c9a6b..b5f1554dbe4 100644
--- a/src/tools/jsondocck/Cargo.toml
+++ b/src/tools/jsondocck/Cargo.toml
@@ -8,8 +8,7 @@ edition = "2018"
 jsonpath_lib = "0.2"
 getopts = "0.2"
 regex = "1.4"
-lazy_static = "1.4"
-shlex = "0.1"
-serde = "1.0"
+shlex = "1.0"
 serde_json = "1.0"
 fs-err = "2.5.0"
+once_cell = "1.0"
diff --git a/src/tools/jsondocck/src/main.rs b/src/tools/jsondocck/src/main.rs
index 216890d59ad..b8ea10f3d22 100644
--- a/src/tools/jsondocck/src/main.rs
+++ b/src/tools/jsondocck/src/main.rs
@@ -1,5 +1,5 @@
 use jsonpath_lib::select;
-use lazy_static::lazy_static;
+use once_cell::sync::Lazy;
 use regex::{Regex, RegexBuilder};
 use serde_json::Value;
 use std::borrow::Cow;
@@ -94,19 +94,19 @@ impl fmt::Display for CommandKind {
     }
 }
 
-lazy_static! {
-    static ref LINE_PATTERN: Regex = RegexBuilder::new(
+static LINE_PATTERN: Lazy<Regex> = Lazy::new(|| {
+    RegexBuilder::new(
         r#"
         \s(?P<invalid>!?)@(?P<negated>!?)
         (?P<cmd>[A-Za-z]+(?:-[A-Za-z]+)*)
         (?P<args>.*)$
-    "#
+    "#,
     )
     .ignore_whitespace(true)
     .unicode(true)
     .build()
-    .unwrap();
-}
+    .unwrap()
+});
 
 fn print_err(msg: &str, lineno: usize) {
     eprintln!("Invalid command: {} on line {}", msg, lineno)