build.rs: minor cleanup

3 files changed, 2 insertions, 11 deletions

diff --git a/Cargo.nix b/Cargo.nix
index 5a51652..2b83f63 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -1056,10 +1056,6 @@ rec {
             packageId = "bindgen";
           }
           {
-            name = "lazy_static";
-            packageId = "lazy_static";
-          }
-          {
             name = "regex";
             packageId = "regex";
           }
diff --git a/Cargo.toml b/Cargo.toml
index 8391917..292a606 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,5 +28,3 @@ env_logger = "0.9"
 [build-dependencies]
 bindgen = "0.53.1"
 regex = "1.5.4"
-lazy_static = "1.4.0"
-
diff --git a/build.rs b/build.rs
index a39bbc3..b92653d 100644
--- a/build.rs
+++ b/build.rs
@@ -1,7 +1,6 @@
 //! This build script leverages `bindgen` to generate rust sys files.
 
 use bindgen;
-use lazy_static::lazy_static;
 use regex::{Captures, Regex};
 use std::borrow::Cow;
 use std::fs::File;
@@ -49,10 +48,8 @@ fn generate_sys() {
 
 /// Recast nft_*_attributes from u32 to u16 in header string `header`.
 fn reformat_units(header: &str) -> Cow<str> {
-    lazy_static! {
-        static ref RE: Regex = Regex::new(r"(pub type nft[a-zA-Z_]*_attributes) = u32;").unwrap();
-    }
-    RE.replace_all(header, |captures: &Captures| {
+    let re = Regex::new(r"(pub type nft[a-zA-Z_]*_attributes) = u32;").unwrap();
+    re.replace_all(header, |captures: &Captures| {
         format!("{} = u16;", &captures[1])
     })
 }