diff --git a/src/backup/chunk_store.rs b/src/backup/chunk_store.rs
index 139c9fd2..96ccbf2b 100644
--- a/src/backup/chunk_store.rs
+++ b/src/backup/chunk_store.rs
@@ -157,8 +157,8 @@ impl ChunkStore {
 
         let (chunk_path, _digest_str) = self.chunk_path(digest);
 
-        const UTIME_NOW: i64 = ((1 << 30) - 1);
-        const UTIME_OMIT: i64 = ((1 << 30) - 2);
+        const UTIME_NOW: i64 = (1 << 30) - 1;
+        const UTIME_OMIT: i64 = (1 << 30) - 2;
 
         let times: [libc::timespec; 2] = [
             libc::timespec { tv_sec: 0, tv_nsec: UTIME_NOW },
diff --git a/src/pxar/sequential_decoder.rs b/src/pxar/sequential_decoder.rs
index 08487100..8ae31cb7 100644
--- a/src/pxar/sequential_decoder.rs
+++ b/src/pxar/sequential_decoder.rs
@@ -1159,7 +1159,7 @@ fn symlinkat(target: &Path, parent: RawFd, linkname: &OsStr) -> Result<(), Error
 
 fn nsec_to_update_timespec(mtime_nsec: u64) -> [libc::timespec; 2] {
     // restore mtime
-    const UTIME_OMIT: i64 = ((1 << 30) - 2);
+    const UTIME_OMIT: i64 = (1 << 30) - 2;
     const NANOS_PER_SEC: i64 = 1_000_000_000;
 
     let sec = (mtime_nsec as i64) / NANOS_PER_SEC;