diff --git a/pkgs/development/tools/rust/cbindgen/1010-fix-test-failures-due-to-CARGO_BUILD_TARGET.patch b/pkgs/development/tools/rust/cbindgen/1010-fix-test-failures-due-to-CARGO_BUILD_TARGET.patch
deleted file mode 100644
index 85baa4fd03e0..000000000000
--- a/pkgs/development/tools/rust/cbindgen/1010-fix-test-failures-due-to-CARGO_BUILD_TARGET.patch
+++ /dev/null
@@ -1,56 +0,0 @@
-diff --git a/tests/profile.rs b/tests/profile.rs
-index 69433a2..596829d 100644
---- a/tests/profile.rs
-+++ b/tests/profile.rs
-@@ -1,6 +1,7 @@
- use cbindgen::*;
- 
- use serial_test::serial;
-+use std::env;
- use std::path::{Path, PathBuf};
- use std::process::Command;
- 
-@@ -17,7 +18,12 @@ fn build_using_lib(config: fn(Builder) -> Builder) -> tempfile::TempDir {
-         .tempdir()
-         .expect("Creating tmp dir failed");
- 
--    std::env::set_var("CARGO_EXPAND_TARGET_DIR", tmp_dir.path());
-+    unsafe {
-+        env::set_var("CARGO_EXPAND_TARGET_DIR", tmp_dir.path());
-+        env::remove_var("CARGO_BUILD_TARGET");
-+        // ^ avoid unexpected change of layout of the target directory;
-+        // ... see: https://doc.rust-lang.org/cargo/guide/build-cache.html
-+    }
-     let builder = Builder::new()
-         .with_config(Config::from_file(expand_dep_test_dir.join("cbindgen.toml")).unwrap())
-         .with_crate(expand_dep_test_dir);
-@@ -45,6 +51,9 @@ fn build_using_bin(extra_args: &[&str]) -> tempfile::TempDir {
-     Command::new(cbindgen_path)
-         .current_dir(expand_dep_test_dir)
-         .env("CARGO_EXPAND_TARGET_DIR", tmp_dir.path())
-+        .env_remove("CARGO_BUILD_TARGET")
-+        // ^ avoid unexpected change of layout of the target directory;
-+        // ... see: https://doc.rust-lang.org/cargo/guide/build-cache.html
-         .args(extra_args)
-         .output()
-         .expect("build should succeed");
-@@ -87,6 +96,19 @@ fn bin_default_uses_debug_build() {
-     assert_eq!(get_contents_of_dir(target_dir.path()), &["debug"]);
- }
- 
-+#[test]
-+fn bin_ignore_cargo_build_target_in_tests() {
-+    unsafe {
-+        env::set_var("CARGO_BUILD_TARGET", "x86_64-unknown-linux-gnu");
-+    }
-+    assert_eq!(
-+        env::var("CARGO_BUILD_TARGET"),
-+        Ok("x86_64-unknown-linux-gnu".into())
-+    );
-+    // ^ this env var should be ignored:
-+    bin_default_uses_debug_build();
-+}
-+
- #[test]
- fn bin_explicit_debug_build() {
-     let target_dir = build_using_bin(&["--profile", "debug"]);
diff --git a/pkgs/development/tools/rust/cbindgen/default.nix b/pkgs/development/tools/rust/cbindgen/default.nix
index fa3b9fb98b78..6dc834822d4a 100644
--- a/pkgs/development/tools/rust/cbindgen/default.nix
+++ b/pkgs/development/tools/rust/cbindgen/default.nix
@@ -14,22 +14,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "rust-cbindgen";
-  version = "0.27.0";
+  version = "0.28.0";
 
   src = fetchFromGitHub {
     owner = "mozilla";
     repo = "cbindgen";
     rev = "v${version}";
-    hash = "sha256-XTGHHD5Qw3mr+lkPKOXyqb0K3sEENW8Sf0n9mtrFFXI=";
+    hash = "sha256-1GT+EgltLhveEACxhY+748L1HIIyQHbEs7wLKANFWr0=";
   };
 
-  patches = [
-    # open PR: https://github.com/mozilla/cbindgen/pull/1010
-    # see also: https://github.com/NixOS/nixpkgs/pull/298108
-    ./1010-fix-test-failures-due-to-CARGO_BUILD_TARGET.patch
-  ];
-
-  cargoHash = "sha256-l4FgwXdibek4BAnqjWd1rLxpEwuMNjYgvo6X3SS3fRo=";
+  cargoHash = "sha256-VaM2+az881qePMqkQRxVxoXCgrgPC8LqSQNDst1bnkY=";
 
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin Security;