remove unecessary std imports

crates/primitives/src/account.rs

@@ -1,14 +1,10 @@
 use crate::revm_primitives::{Bytecode as RevmBytecode, Bytes};
 use byteorder::{BigEndian, ReadBytesExt};
 use bytes::Buf;
+use core::ops::Deref;
 use reth_codecs::Compact;
 use revm_primitives::JumpTable;
 use serde::{Deserialize, Serialize};
-#[cfg(feature = "std")]
-use std::ops::Deref;
-
-#[cfg(not(feature = "std"))]
-use core::ops::Deref;
 
 pub use reth_primitives_traits::Account;
 

crates/primitives/src/block.rs

@@ -3,12 +3,11 @@ use crate::{
     TransactionSignedEcRecovered, Withdrawals, B256,
 };
 use alloy_rlp::{RlpDecodable, RlpEncodable};
+use core::{mem, ops::Deref};
 #[cfg(any(test, feature = "arbitrary"))]
 use proptest::prelude::{any, prop_compose};
 use reth_codecs::derive_arbitrary;
 use serde::{Deserialize, Serialize};
-#[cfg(feature = "std")]
-use std::{mem, ops::Deref};
 
 pub use alloy_eips::eip1898::{
     BlockHashOrNumber, BlockId, BlockNumHash, BlockNumberOrTag, ForkBlock, RpcBlockHash,
@@ -17,9 +16,6 @@ pub use alloy_eips::eip1898::{
 #[cfg(not(feature = "std"))]
 use alloc::vec::Vec;
 
-#[cfg(not(feature = "std"))]
-use core::{mem, ops::Deref};
-
 // HACK(onbjerg): we need this to always set `requests` to `None` since we might otherwise generate
 // a block with `None` withdrawals and `Some` requests, in which case we end up trying to decode the
 // requests as withdrawals

crates/primitives/src/chain/spec.rs

@@ -15,16 +15,10 @@ use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
 
 #[cfg(feature = "std")]
-use std::{
-    collections::BTreeMap,
-    fmt,
-    fmt::{Display, Formatter},
-    sync::Arc,
-};
+use std::{collections::BTreeMap, sync::Arc};
 
 pub use alloy_eips::eip1559::BaseFeeParams;
 
-#[cfg(not(feature = "std"))]
 use core::{
     fmt,
     fmt::{Display, Formatter},

crates/primitives/src/constants/mod.rs

@@ -5,11 +5,6 @@ use crate::{
     revm_primitives::{address, b256},
     B256, U256,
 };
-
-#[cfg(feature = "std")]
-use std::time::Duration;
-
-#[cfg(not(feature = "std"))]
 use core::time::Duration;
 
 #[cfg(feature = "optimism")]

crates/primitives/src/error.rs

@@ -1,10 +1,3 @@
-#[cfg(feature = "std")]
-use std::{
-    fmt,
-    ops::{Deref, DerefMut},
-};
-
-#[cfg(not(feature = "std"))]
 use core::{
     fmt,
     ops::{Deref, DerefMut},

crates/primitives/src/header.rs

@@ -13,17 +13,12 @@ use crate::{
 };
 use alloy_rlp::{length_of_length, Decodable, Encodable};
 use bytes::BufMut;
+use core::{mem, ops::Deref};
 #[cfg(any(test, feature = "arbitrary"))]
 use proptest::prelude::*;
 use reth_codecs::{add_arbitrary_tests, derive_arbitrary, main_codec, Compact};
 use serde::{Deserialize, Serialize};
 
-#[cfg(feature = "std")]
-use std::{mem, ops::Deref};
-
-#[cfg(not(feature = "std"))]
-use core::{mem, ops::Deref};
-
 /// Errors that can occur during header sanity checks.
 #[derive(Debug, PartialEq, Eq)]
 pub enum HeaderError {

crates/primitives/src/integer_list.rs

@@ -1,15 +1,11 @@
 use bytes::BufMut;
+use core::{fmt, ops::Deref};
 use roaring::RoaringTreemap;
 use serde::{
     de::{SeqAccess, Unexpected, Visitor},
     ser::SerializeSeq,
     Deserialize, Deserializer, Serialize, Serializer,
 };
-#[cfg(feature = "std")]
-use std::{fmt, ops::Deref};
-
-#[cfg(not(feature = "std"))]
-use core::{fmt, ops::Deref};
 
 #[cfg(not(feature = "std"))]
 use alloc::vec::Vec;

crates/primitives/src/receipt.rs

@@ -11,16 +11,11 @@ use reth_codecs::CompactZstd;
 use reth_codecs::{add_arbitrary_tests, main_codec, Compact};
 
 #[cfg(feature = "std")]
-use std::{
-    cmp::Ordering,
-    ops::{Deref, DerefMut},
-    vec,
-};
+use std::vec;
 
 #[cfg(not(feature = "std"))]
 use alloc::{vec, vec::Vec};
 
-#[cfg(not(feature = "std"))]
 use core::{
     cmp::Ordering,
     ops::{Deref, DerefMut},

crates/primitives/src/transaction/eip1559.rs

@@ -2,12 +2,8 @@ use super::access_list::AccessList;
 use crate::{keccak256, Bytes, ChainId, Signature, TxKind, TxType, B256, U256};
 use alloy_rlp::{length_of_length, Decodable, Encodable, Header};
 use bytes::BytesMut;
-use reth_codecs::{main_codec, Compact};
-#[cfg(feature = "std")]
-use std::mem;
-
-#[cfg(not(feature = "std"))]
 use core::mem;
+use reth_codecs::{main_codec, Compact};
 
 /// A transaction with a priority fee ([EIP-1559](https://eips.ethereum.org/EIPS/eip-1559)).
 #[main_codec]

crates/primitives/src/transaction/eip2930.rs

@@ -2,12 +2,8 @@ use super::access_list::AccessList;
 use crate::{keccak256, Bytes, ChainId, Signature, TxKind, TxType, B256, U256};
 use alloy_rlp::{length_of_length, Decodable, Encodable, Header};
 use bytes::BytesMut;
-use reth_codecs::{main_codec, Compact};
-#[cfg(feature = "std")]
-use std::mem;
-
-#[cfg(not(feature = "std"))]
 use core::mem;
+use reth_codecs::{main_codec, Compact};
 
 /// Transaction with an [`AccessList`] ([EIP-2930](https://eips.ethereum.org/EIPS/eip-2930)).
 #[main_codec]

crates/primitives/src/transaction/eip4844.rs

@@ -4,16 +4,12 @@ use crate::{
     B256, U256,
 };
 use alloy_rlp::{length_of_length, Decodable, Encodable, Header};
+use core::mem;
 use reth_codecs::{main_codec, Compact, CompactPlaceholder};
-#[cfg(feature = "std")]
-use std::mem;
 
 #[cfg(feature = "c-kzg")]
 use crate::kzg::KzgSettings;
 
-#[cfg(not(feature = "std"))]
-use core::mem;
-
 #[cfg(not(feature = "std"))]
 use alloc::vec::Vec;
 

crates/primitives/src/transaction/legacy.rs

@@ -2,10 +2,7 @@ use crate::{keccak256, Bytes, ChainId, Signature, TxKind, TxType, B256, U256};
 use alloy_rlp::{length_of_length, Encodable, Header};
 use bytes::BytesMut;
 use reth_codecs::{main_codec, Compact};
-#[cfg(feature = "std")]
-use std::mem;
 
-#[cfg(not(feature = "std"))]
 use core::mem;
 
 /// Legacy transaction.

crates/primitives/src/transaction/mod.rs

@@ -8,16 +8,12 @@ use alloy_rlp::{
     Decodable, Encodable, Error as RlpError, Header, EMPTY_LIST_CODE, EMPTY_STRING_CODE,
 };
 use bytes::Buf;
+use core::mem;
 use derive_more::{AsRef, Deref};
 use once_cell::sync::Lazy;
 use rayon::prelude::{IntoParallelIterator, ParallelIterator};
 use reth_codecs::{add_arbitrary_tests, derive_arbitrary, Compact};
 use serde::{Deserialize, Serialize};
-#[cfg(feature = "std")]
-use std::mem;
-
-#[cfg(not(feature = "std"))]
-use core::mem;
 
 pub use access_list::{AccessList, AccessListItem};
 pub use eip1559::TxEip1559;

crates/primitives/src/transaction/signature.rs

@@ -2,13 +2,9 @@ use crate::{transaction::util::secp256k1, Address, B256, U256};
 use alloy_primitives::Bytes;
 use alloy_rlp::{Decodable, Encodable, Error as RlpError};
 use bytes::Buf;
+use core::mem;
 use reth_codecs::{derive_arbitrary, Compact};
 use serde::{Deserialize, Serialize};
-#[cfg(feature = "std")]
-use std::mem;
-
-#[cfg(not(feature = "std"))]
-use core::mem;
 
 /// The order of the secp256k1 curve, divided by two. Signatures that should be checked according
 /// to EIP-2 should have an S value less than or equal to this.

crates/primitives/src/transaction/variant.rs

@@ -6,10 +6,6 @@ use crate::{
     B256,
 };
 
-#[cfg(feature = "std")]
-use std::ops::Deref;
-
-#[cfg(not(feature = "std"))]
 use core::ops::Deref;
 
 /// Represents various different transaction formats used in reth.

crates/primitives/src/withdrawal.rs

@@ -2,18 +2,12 @@
 
 use alloy_rlp::{RlpDecodableWrapper, RlpEncodableWrapper};
 use reth_codecs::{main_codec, Compact};
-
 #[cfg(feature = "std")]
-use std::{
-    mem,
-    ops::{Deref, DerefMut},
-    slice, vec,
-};
+use std::vec;
 
 #[cfg(not(feature = "std"))]
 use alloc::{vec, vec::Vec};
 
-#[cfg(not(feature = "std"))]
 use core::{
     mem,
     ops::{Deref, DerefMut},