diff --git a/crates/context/src/journaled_state.rs b/crates/context/src/journaled_state.rs
index 14fc910401..79caea501f 100644
--- a/crates/context/src/journaled_state.rs
+++ b/crates/context/src/journaled_state.rs
@@ -418,7 +418,7 @@ impl<DB: Database, ENTRY: JournalEntryTr> Journal<DB, ENTRY> {
     ///
     /// There are few steps done:
     /// 1. Make created account warm loaded (AccessList) and this should
-    ///     be done before subroutine checkpoint is created.
+    ///    be done before subroutine checkpoint is created.
     /// 2. Check if there is collision of newly created account with existing one.
     /// 3. Mark created account as created.
     /// 4. Add fund to created account
diff --git a/crates/interpreter/src/instructions/utility.rs b/crates/interpreter/src/instructions/utility.rs
index 9fda582c3d..d64e2967a6 100644
--- a/crates/interpreter/src/instructions/utility.rs
+++ b/crates/interpreter/src/instructions/utility.rs
@@ -13,7 +13,7 @@ pub fn cast_slice_to_u256(slice: &[u8], dest: &mut U256) {
     }
     assert!(slice.len() <= 32, "slice too long");
 
-    let n_words = (slice.len() + 31) / 32;
+    let n_words = slice.len().div_ceil(32);
 
     // SAFETY: Length checked above.
     unsafe {
@@ -55,7 +55,7 @@ pub fn cast_slice_to_u256(slice: &[u8], dest: &mut U256) {
             i += 1;
         }
 
-        debug_assert_eq!((i + 3) / 4, n_words, "wrote too much");
+        debug_assert_eq!(i.div_ceil(4), n_words, "wrote too much");
 
         // Zero out upper bytes of last word
         let m = i % 4; // 32 / 8
diff --git a/crates/interpreter/src/interpreter/stack.rs b/crates/interpreter/src/interpreter/stack.rs
index ad3da7ee75..1612b78222 100644
--- a/crates/interpreter/src/interpreter/stack.rs
+++ b/crates/interpreter/src/interpreter/stack.rs
@@ -285,7 +285,7 @@ impl Stack {
             return Ok(());
         }
 
-        let n_words = (slice.len() + 31) / 32;
+        let n_words = slice.len().div_ceil(32);
         let new_len = self.data.len() + n_words;
         if new_len > STACK_LIMIT {
             return Err(InstructionResult::StackOverflow);
@@ -330,7 +330,7 @@ impl Stack {
                 i += 1;
             }
 
-            debug_assert_eq!((i + 3) / 4, n_words, "wrote too much");
+            debug_assert_eq!(i.div_ceil(4), n_words, "wrote too much");
 
             // Zero out upper bytes of last word
             let m = i % 4; // 32 / 8