diff --git a/iterator/src/blk_metadata.rs b/iterator/src/blk_metadata.rs
index a4d2b6131..4f07a98a2 100644
--- a/iterator/src/blk_metadata.rs
+++ b/iterator/src/blk_metadata.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::path::Path;
 
 use crate::path_to_modified_time;
 
@@ -9,7 +9,7 @@ pub struct BlkMetadata {
 }
 
 impl BlkMetadata {
-    pub fn new(index: usize, path: &PathBuf) -> Self {
+    pub fn new(index: usize, path: &Path) -> Self {
         Self {
             index,
             modified_time: path_to_modified_time(path),
diff --git a/iterator/src/blk_recap.rs b/iterator/src/blk_recap.rs
index bad813830..487ffc2ed 100644
--- a/iterator/src/blk_recap.rs
+++ b/iterator/src/blk_recap.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::path::Path;
 
 use bitcoin::{hashes::Hash, BlockHash};
 use serde::{Deserialize, Serialize};
@@ -29,7 +29,7 @@ impl BlkRecap {
         }
     }
 
-    pub fn has_different_modified_time(&self, blk_path: &PathBuf) -> bool {
+    pub fn has_different_modified_time(&self, blk_path: &Path) -> bool {
         if self.modified_time != path_to_modified_time(blk_path) {
             dbg!(self.modified_time, path_to_modified_time(blk_path));
         }
diff --git a/iterator/src/error.rs b/iterator/src/error.rs
index 0a7562c65..41bd962f0 100644
--- a/iterator/src/error.rs
+++ b/iterator/src/error.rs
@@ -8,6 +8,7 @@ pub type Result<T, E = Error> = std::result::Result<T, E>;
 #[derive(Debug)]
 pub enum Error {
     IO(io::Error),
+    #[cfg(feature = "zerocopy")]
     ZeroCopyError,
 }
 
@@ -17,6 +18,7 @@ impl From<io::Error> for Error {
     }
 }
 
+#[cfg(feature = "zerocopy")]
 impl<A, B> From<zerocopy::error::SizeError<A, B>> for Error {
     fn from(_: zerocopy::error::SizeError<A, B>) -> Self {
         Self::ZeroCopyError
@@ -27,6 +29,7 @@ impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
             Error::IO(error) => Debug::fmt(&error, f),
+            #[cfg(feature = "zerocopy")]
             Error::ZeroCopyError => write!(f, "Zero copy convert error"),
         }
     }
diff --git a/iterator/src/height.rs b/iterator/src/height.rs
index 8104cb05b..b646bbc3b 100644
--- a/iterator/src/height.rs
+++ b/iterator/src/height.rs
@@ -1,18 +1,15 @@
 use std::{
     fmt::{self, Debug},
-    fs, io,
     ops::{Add, AddAssign, Rem, Sub},
-    path::Path,
 };
 
 use derive_deref::{Deref, DerefMut};
 use serde::{Deserialize, Serialize};
+
+#[cfg(feature = "zerocopy")]
 use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
-use crate::{
-    rpc::{self, RpcApi},
-    Error,
-};
+use crate::rpc::{self, RpcApi};
 
 #[derive(Debug, Clone, Copy, Deref, DerefMut, PartialEq, Eq, PartialOrd, Ord, Default, Serialize, Deserialize)]
 #[cfg_attr(feature = "zerocopy", derive(FromBytes, Immutable, IntoBytes, KnownLayout))]
@@ -21,8 +18,9 @@ pub struct Height(u32);
 impl Height {
     const ZERO: Self = Height(0);
 
-    pub fn write(&self, path: &Path) -> Result<(), io::Error> {
-        fs::write(path, self.as_bytes())
+    #[cfg(feature = "zerocopy")]
+    pub fn write(&self, path: &std::path::Path) -> Result<(), std::io::Error> {
+        std::fs::write(path, self.as_bytes())
     }
 
     pub fn increment(&mut self) {
@@ -166,16 +164,16 @@ impl From<Height> for bitcoin::locktime::absolute::Height {
 }
 
 #[cfg(feature = "zerocopy")]
-impl TryFrom<&Path> for Height {
-    type Error = Error;
-    fn try_from(value: &Path) -> Result<Self, Self::Error> {
-        Ok(Self::read_from_bytes(fs::read(value)?.as_slice())?.to_owned())
+impl TryFrom<&std::path::Path> for Height {
+    type Error = crate::Error;
+    fn try_from(value: &std::path::Path) -> Result<Self, Self::Error> {
+        Ok(Self::read_from_bytes(std::fs::read(value)?.as_slice())?.to_owned())
     }
 }
 
 #[cfg(feature = "fjall")]
 impl TryFrom<fjall::Slice> for Height {
-    type Error = Error;
+    type Error = crate::Error;
     fn try_from(value: fjall::Slice) -> Result<Self, Self::Error> {
         Ok(Self::read_from_bytes(&value)?)
     }
diff --git a/iterator/src/lib.rs b/iterator/src/lib.rs
index 7ebcb5faf..c6811ffc4 100644
--- a/iterator/src/lib.rs
+++ b/iterator/src/lib.rs
@@ -38,7 +38,7 @@ use utils::*;
 
 pub const NUMBER_OF_UNSAFE_BLOCKS: usize = 1000;
 const MAGIC_BYTES: [u8; 4] = [249, 190, 180, 217];
-const BOUND_CAP: usize = 210;
+const BOUND_CAP: usize = 100;
 
 ///
 /// Returns a crossbeam channel receiver that receives `(usize, Block, BlockHash)` tuples (with `usize` being the height) in sequential order.
@@ -99,7 +99,7 @@ pub fn new(
             .iter()
             .filter(|(blk_index, _)| **blk_index >= starting_blk_index)
             .try_for_each(move |(blk_index, blk_path)| {
-                let blk_metadata = BlkMetadata::new(*blk_index, blk_path);
+                let blk_metadata = BlkMetadata::new(*blk_index, blk_path.as_path());
 
                 let blk_bytes = fs::read(blk_path).unwrap();
                 let blk_bytes_len = blk_bytes.len() as u64;
@@ -224,8 +224,6 @@ pub fn new(
                               tuple: BlkMetadataAndBlock| {
             let mut tuple = Some(tuple);
 
-            println!("{} {} {}", recent_hashes.len(), recent_chain.len(), future_blocks.len(),);
-
             while let Some(tuple) = tuple.take().or_else(|| future_blocks.remove(prev_hash)) {
                 let hash = tuple.block.block_hash();
 
diff --git a/iterator/src/main.rs b/iterator/src/main.rs
index 09792ef49..4341a714d 100644
--- a/iterator/src/main.rs
+++ b/iterator/src/main.rs
@@ -14,7 +14,7 @@ fn main() {
         .unwrap(),
     ));
 
-    let start = Some(460_001_u32.into());
+    let start = None;
     let end = None;
 
     biterator::new(data_dir, start, end, rpc)
diff --git a/iterator/src/utils.rs b/iterator/src/utils.rs
index 0894cd24d..0b73fc981 100644
--- a/iterator/src/utils.rs
+++ b/iterator/src/utils.rs
@@ -1,6 +1,6 @@
-use std::{fs, path::PathBuf, time::UNIX_EPOCH};
+use std::{fs, path::Path, time::UNIX_EPOCH};
 
-pub fn path_to_modified_time(path: &PathBuf) -> u64 {
+pub fn path_to_modified_time(path: &Path) -> u64 {
     fs::metadata(path)
         .unwrap()
         .modified()