diff --git a/src/header/elf/mod.rs b/src/header/elf/mod.rs
index c826ab47da61c037174646f0a939b196d6cc747e..db7b6d41f86b5af65e102897c50cad778ddfa9e3 100644
--- a/src/header/elf/mod.rs
+++ b/src/header/elf/mod.rs
@@ -273,20 +273,20 @@ pub const SHT_HIPROC: usize = 0x7fffffff;
 pub const SHT_LOUSER: usize = 0x80000000;
 pub const SHT_HIUSER: usize = 0x8fffffff;
 
-pub const SHF_WRITE: usize = (1 << 0);
-pub const SHF_ALLOC: usize = (1 << 1);
-pub const SHF_EXECINSTR: usize = (1 << 2);
-pub const SHF_MERGE: usize = (1 << 4);
-pub const SHF_STRINGS: usize = (1 << 5);
-pub const SHF_INFO_LINK: usize = (1 << 6);
-pub const SHF_LINK_ORDER: usize = (1 << 7);
-pub const SHF_OS_NONCONFORMING: usize = (1 << 8);
-pub const SHF_GROUP: usize = (1 << 9);
-pub const SHF_TLS: usize = (1 << 10);
+pub const SHF_WRITE: usize = 1 << 0;
+pub const SHF_ALLOC: usize = 1 << 1;
+pub const SHF_EXECINSTR: usize = 1 << 2;
+pub const SHF_MERGE: usize = 1 << 4;
+pub const SHF_STRINGS: usize = 1 << 5;
+pub const SHF_INFO_LINK: usize = 1 << 6;
+pub const SHF_LINK_ORDER: usize = 1 << 7;
+pub const SHF_OS_NONCONFORMING: usize = 1 << 8;
+pub const SHF_GROUP: usize = 1 << 9;
+pub const SHF_TLS: usize = 1 << 10;
 pub const SHF_MASKOS: usize = 0x0ff00000;
 pub const SHF_MASKPROC: usize = 0xf0000000;
-pub const SHF_ORDERED: usize = (1 << 30);
-pub const SHF_EXCLUDE: usize = (1 << 31);
+pub const SHF_ORDERED: usize = 1 << 30;
+pub const SHF_EXCLUDE: usize = 1 << 31;
 pub const GRP_COMDAT: usize = 0x1;
 
 #[repr(C)]
@@ -432,9 +432,9 @@ pub const PT_HIOS: usize = 0x6fffffff;
 pub const PT_LOPROC: usize = 0x70000000;
 pub const PT_HIPROC: usize = 0x7fffffff;
 pub const PN_XNUM: usize = 0xffff;
-pub const PF_X: usize = (1 << 0);
-pub const PF_W: usize = (1 << 1);
-pub const PF_R: usize = (1 << 2);
+pub const PF_X: usize = 1 << 0;
+pub const PF_W: usize = 1 << 1;
+pub const PF_R: usize = 1 << 2;
 pub const PF_MASKOS: usize = 0x0ff00000;
 pub const PF_MASKPROC: usize = 0xf0000000;
 
diff --git a/src/header/time/mod.rs b/src/header/time/mod.rs
index 89eadd6a0fe14ad3c62d71d67b493ff3a11db9c6..5a2beb6bbd5509536ce12d9f49bdbd08175389a8 100644
--- a/src/header/time/mod.rs
+++ b/src/header/time/mod.rs
@@ -3,7 +3,7 @@
 use core::convert::{TryFrom, TryInto};
 
 use crate::{
-    header::errno::{EIO, EOVERFLOW},
+    header::errno::EOVERFLOW,
     platform::{self, types::*, Pal, Sys},
 };
 
@@ -384,10 +384,10 @@ pub unsafe extern "C" fn mktime(t: *mut tm) -> time_t {
             day += MONTH_DAYS[leap][month as usize] as i64;
         }
 
-        (day * (60 * 60 * 24)
+        day * (60 * 60 * 24)
             + ((*t).tm_hour as i64) * (60 * 60)
             + ((*t).tm_min as i64) * 60
-            + (*t).tm_sec as i64)
+            + (*t).tm_sec as i64
     }
 }