diff --git a/belt-hash/src/lib.rs b/belt-hash/src/lib.rs
index fd3317865..d441158cc 100644
--- a/belt-hash/src/lib.rs
+++ b/belt-hash/src/lib.rs
@@ -25,6 +25,9 @@ use digest::{
 };
 
 const U32_MASK: u128 = (1 << 32) - 1;
+const H0: [u32; 8] = [
+    0xC8BA94B1, 0x3BF5080A, 0x8E006D36, 0xE45D4A58, 0x9DFA0485, 0xACC7B61B, 0xC2722E25, 0x0DCEFD02,
+];
 
 /// Core BelT hasher state.
 #[derive(Clone)]
@@ -101,11 +104,7 @@ impl Default for BeltHashCore {
         Self {
             r: 0,
             s: [0; 4],
-            #[rustfmt::skip]
-            h: [
-                0xC8BA94B1, 0x3BF5080A, 0x8E006D36, 0xE45D4A58,
-                0x9DFA0485, 0xACC7B61B, 0xC2722E25, 0x0DCEFD02,
-            ],
+            h: H0,
         }
     }
 }
diff --git a/blake2/tests/persona.rs b/blake2/tests/persona.rs
index 49e6574e9..53ba8ef08 100644
--- a/blake2/tests/persona.rs
+++ b/blake2/tests/persona.rs
@@ -2,39 +2,37 @@ use blake2::{digest::FixedOutput, Blake2bMac512, Blake2sMac256};
 use hex_literal::hex;
 
 #[test]
-#[rustfmt::skip]
 fn blake2s_persona() {
-    let key= hex!("
-        000102030405060708090a0b0c0d0e0f
-        101112131415161718191a1b1c1d1e1f
-    ");
+    let key = hex!(
+        "000102030405060708090a0b0c0d0e0f"
+        "101112131415161718191a1b1c1d1e1f"
+    );
     let persona = b"personal";
     let ctx = Blake2sMac256::new_with_salt_and_personal(&key, &[], persona).unwrap();
     assert_eq!(
-        ctx.finalize_fixed()[..],
-        hex!("
-            25a4ee63b594aed3f88a971e1877ef70
-            99534f9097291f88fb86c79b5e70d022
-        ")[..],
+        ctx.finalize_fixed(),
+        hex!(
+            "25a4ee63b594aed3f88a971e1877ef70"
+            "99534f9097291f88fb86c79b5e70d022"
+        ),
     );
 }
 
 #[test]
-#[rustfmt::skip]
 fn blake2b_persona() {
-    let key = hex!("
-        000102030405060708090a0b0c0d0e0f
-        101112131415161718191a1b1c1d1e1f
-    ");
+    let key = hex!(
+        "000102030405060708090a0b0c0d0e0f"
+        "101112131415161718191a1b1c1d1e1f"
+    );
     let persona = b"personal";
     let ctx = Blake2bMac512::new_with_salt_and_personal(&key, &[], persona).unwrap();
     assert_eq!(
-        ctx.finalize_fixed()[..],
-        hex!("
-            03de3b295dcfc3b25b05abb09bc95fe3
-            e9ff3073638badc68101d1e42019d077
-            1dd07525a3aae8318e92c5e5d967ba92
-            e4810d0021d7bf3b49da0b4b4a8a4e1f
-        ")[..],
+        ctx.finalize_fixed(),
+        hex!(
+            "03de3b295dcfc3b25b05abb09bc95fe3"
+            "e9ff3073638badc68101d1e42019d077"
+            "1dd07525a3aae8318e92c5e5d967ba92"
+            "e4810d0021d7bf3b49da0b4b4a8a4e1f"
+        ),
     );
 }
diff --git a/fsb/tests/mod.rs b/fsb/tests/mod.rs
index 56d0a9d38..6a9bddeab 100644
--- a/fsb/tests/mod.rs
+++ b/fsb/tests/mod.rs
@@ -40,7 +40,6 @@ fn fsb256_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn fsb384_rand() {
     let mut h = Fsb384::new();
     feed_rand_16mib(&mut h);
@@ -54,7 +53,6 @@ fn fsb384_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn fsb512_rand() {
     let mut h = Fsb512::new();
     feed_rand_16mib(&mut h);
diff --git a/k12/tests/mod.rs b/k12/tests/mod.rs
index dce6d8243..7f54c2676 100644
--- a/k12/tests/mod.rs
+++ b/k12/tests/mod.rs
@@ -12,7 +12,6 @@ fn digest_and_box(data: &[u8], n: usize) -> Box<[u8]> {
 }
 
 #[test]
-#[rustfmt::skip]
 fn empty() {
     // Source: reference paper
     assert_eq!(
@@ -25,7 +24,7 @@ fn empty() {
         hex!(
             "1ac2d450fc3b4205d19da7bfca1b37513c0803577ac7167f06fe2ce1f0ef39e5"
             "4269c056b8c82e48276038b6d292966cc07a3d4645272e31ff38508139eb0a71"
-        )[..]
+        )[..],
     );
 
     assert_eq!(
diff --git a/sha2/tests/mod.rs b/sha2/tests/mod.rs
index 70c297b7b..91104229b 100644
--- a/sha2/tests/mod.rs
+++ b/sha2/tests/mod.rs
@@ -21,7 +21,6 @@ fn sha256_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn sha512_rand() {
     let mut h = Sha512::new();
     feed_rand_16mib(&mut h);
diff --git a/shabal/tests/mod.rs b/shabal/tests/mod.rs
index 37caa0795..08ff31099 100644
--- a/shabal/tests/mod.rs
+++ b/shabal/tests/mod.rs
@@ -42,7 +42,6 @@ fn shabal256_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn shabal384_rand() {
     let mut h = Shabal384::new();
     feed_rand_16mib(&mut h);
@@ -56,7 +55,6 @@ fn shabal384_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn shabal512_rand() {
     let mut h = Shabal512::new();
     feed_rand_16mib(&mut h);
diff --git a/skein/src/lib.rs b/skein/src/lib.rs
index a0be3bcf9..649ea8a95 100644
--- a/skein/src/lib.rs
+++ b/skein/src/lib.rs
@@ -173,5 +173,4 @@ macro_rules! define_hasher {
 
 define_hasher!(Skein256Core, Skein256, Threefish256, U32, "Skein-256");
 define_hasher!(Skein512Core, Skein512, Threefish512, U64, "Skein-512");
-#[rustfmt::skip]
 define_hasher!(Skein1024Core, Skein1024, Threefish1024, U128, "Skein-1024");
diff --git a/streebog/tests/mod.rs b/streebog/tests/mod.rs
index f5222e992..1cba79d92 100644
--- a/streebog/tests/mod.rs
+++ b/streebog/tests/mod.rs
@@ -21,7 +21,6 @@ new_test!(
 /// Test vectors from:
 /// https://github.com/gost-engine/engine/blob/master/test/01-digest.t
 #[test]
-#[rustfmt::skip]
 fn gost_engine_tests() {
     let h256 = &mut streebog::Streebog256::new();
     let h512 = &mut streebog::Streebog512::new();
@@ -39,7 +38,8 @@ fn gost_engine_tests() {
         update(h256, h512, b"12345670");
     }
     check(
-        h256, h512,
+        h256,
+        h512,
         hex!("1906512b86a1283c68cec8419e57113efc562a1d0e95d8f4809542900c416fe4"),
         hex!(
             "283587e434864d0d4bea97c0fb10e2dd421572fc859304bdf6a94673d652c590"
@@ -51,7 +51,8 @@ fn gost_engine_tests() {
         update(h256, h512, &hex!("0001021584674531"));
     }
     check(
-        h256, h512,
+        h256,
+        h512,
         hex!("2eb1306be3e490f18ff0e2571a077b3831c815c46c7d4fdf9e0e26de4032b3f3"),
         hex!(
             "55656e5bcf795b499031a7833cd7dc18fe10d4a47e15be545c6ab3f304a4fe41"
@@ -65,7 +66,8 @@ fn gost_engine_tests() {
     }
     update(h256, h512, &buf[0..539]);
     check(
-        h256, h512,
+        h256,
+        h512,
         hex!("c98a17f9fadff78d08521e4179a7b2e6275f3b1da88339a3cb961a3514e5332e"),
         hex!(
             "d5ad93fbc9ed7abc1cf28d00827a052b40bea74b04c4fd753102c1bcf9f9dad5"
@@ -81,7 +83,8 @@ fn gost_engine_tests() {
     }
     update(h256, h512, b"12345\n");
     check(
-        h256, h512,
+        h256,
+        h512,
         hex!("50e935d725d9359e5991b6b7eba8b3539fca03584d26adf4c827c982ffd49367"),
         hex!(
             "1d93645ebfbb477660f98b7d1598e37fbf3bfc8234ead26e2246e1b979e590ac"
@@ -101,7 +104,6 @@ fn streebog256_rand() {
 }
 
 #[test]
-#[rustfmt::skip]
 fn streebog512_rand() {
     let mut h = Streebog512::new();
     feed_rand_16mib(&mut h);
diff --git a/whirlpool/tests/mod.rs b/whirlpool/tests/mod.rs
index 491348ed0..e0980f39e 100644
--- a/whirlpool/tests/mod.rs
+++ b/whirlpool/tests/mod.rs
@@ -5,15 +5,14 @@ use whirlpool::{Digest, Whirlpool};
 digest::new_test!(whirlpool_main, "whirlpool", Whirlpool, fixed_reset_test);
 
 #[test]
-#[rustfmt::skip]
 fn whirlpool_rand() {
     let mut h = Whirlpool::new();
     feed_rand_16mib(&mut h);
     assert_eq!(
-        h.finalize()[..],
-        hex!("
-            8db0acd78686f8160203b53bfb0c0c1ee2332b856732a311f7de8e4ea4c100cc
-            dd5267e8b63207e644c96d2ef5cfbb53f2519af1904c48fd2ecf937541998b11
-        ")[..]
+        h.finalize(),
+        hex!(
+            "8db0acd78686f8160203b53bfb0c0c1ee2332b856732a311f7de8e4ea4c100cc"
+            "dd5267e8b63207e644c96d2ef5cfbb53f2519af1904c48fd2ecf937541998b11"
+        ),
     );
 }