diff --git a/.cargo/config.toml b/.cargo/config.toml
index 69564e33..8b1c087f 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -4,6 +4,7 @@ rustflags = [
     # do not change or add/remove here, but one can add exceptions after this section
     # for more info see: <https://github.com/EmbarkStudios/rust-ecosystem/issues/59>
     "-Dunsafe_code",
+    "-Wunexpected_cfgs",
     "-Wclippy::all",
     "-Wclippy::await_holding_lock",
     "-Wclippy::char_lit_as_u8",
@@ -44,7 +45,6 @@ rustflags = [
     "-Wclippy::match_wild_err_arm",
     "-Wclippy::match_wildcard_for_single_variants",
     "-Wclippy::mem_forget",
-    "-Wclippy::mismatched_target_os",
     "-Wclippy::missing_enforced_import_renames",
     "-Wclippy::mut_mut",
     "-Wclippy::mutex_integer",
diff --git a/src/licenses/gather.rs b/src/licenses/gather.rs
index 81f3016c..4aa85dfc 100644
--- a/src/licenses/gather.rs
+++ b/src/licenses/gather.rs
@@ -80,7 +80,7 @@ fn get_file_source(root: &Path, path: PathBuf) -> PackFile {
                 break;
             }
 
-            let keep = std::cmp::max(s.trim_end_matches(|p| p == '\r' || p == '\n').len(), min);
+            let keep = std::cmp::max(s.trim_end_matches(['\r', '\n']).len(), min);
             s.truncate(keep);
             s.push('\n');