diff --git a/src/fullnode.rs b/src/fullnode.rs
index 23ad54045..48d7f07e9 100644
--- a/src/fullnode.rs
+++ b/src/fullnode.rs
@@ -4,13 +4,12 @@ use bank::Bank;
 use broadcaster;
 use crdt::{Crdt, NodeInfo, TestNode};
 use entry::Entry;
-use ledger::{read_ledger, Block};
+use ledger::read_ledger;
 use ncp::Ncp;
 use packet::BlobRecycler;
 use rpu::Rpu;
 use service::Service;
 use signature::{Keypair, KeypairUtil};
-use std::collections::VecDeque;
 use std::net::SocketAddr;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, RwLock};
@@ -19,7 +18,7 @@ use std::time::Duration;
 use tpu::Tpu;
 use tvu::Tvu;
 use untrusted::Input;
-use window::{self, SharedWindow};
+use window;
 
 //use std::time::Duration;
 pub struct FullNode {
@@ -158,21 +157,6 @@ impl FullNode {
         )
     }
 
-    fn new_window(
-        ledger_tail: &[Entry],
-        entry_height: u64,
-        node_info: &NodeInfo,
-        blob_recycler: &BlobRecycler,
-    ) -> SharedWindow {
-        // convert to blobs
-        let mut blobs = VecDeque::new();
-        ledger_tail.to_blobs(&blob_recycler, &mut blobs);
-
-        // flatten deque to vec
-        let blobs: Vec<_> = blobs.into_iter().collect();
-        window::initialized_window(&node_info, blobs, entry_height)
-    }
-
     /// Create a server instance acting as a leader.
     ///
     /// ```text
@@ -219,7 +203,8 @@ impl FullNode {
         thread_hdls.extend(rpu.thread_hdls());
 
         let blob_recycler = BlobRecycler::default();
-        let window = FullNode::new_window(ledger_tail, entry_height, &node.data, &blob_recycler);
+        let window =
+            window::new_window_from_entries(ledger_tail, entry_height, &node.data, &blob_recycler);
 
         let crdt = Arc::new(RwLock::new(Crdt::new(node.data).expect("Crdt::new")));
 
@@ -309,7 +294,8 @@ impl FullNode {
         thread_hdls.extend(rpu.thread_hdls());
 
         let blob_recycler = BlobRecycler::default();
-        let window = FullNode::new_window(ledger_tail, entry_height, &node.data, &blob_recycler);
+        let window =
+            window::new_window_from_entries(ledger_tail, entry_height, &node.data, &blob_recycler);
 
         let crdt = Arc::new(RwLock::new(Crdt::new(node.data).expect("Crdt::new")));
         crdt.write()
diff --git a/src/window.rs b/src/window.rs
index 204958d5e..69834ce91 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -2,8 +2,10 @@
 //!
 use counter::Counter;
 use crdt::{Crdt, NodeInfo};
+use entry::Entry;
 #[cfg(feature = "erasure")]
 use erasure;
+use ledger::Block;
 use log::Level;
 use packet::{BlobRecycler, SharedBlob, SharedBlobs, BLOB_SIZE};
 use result::{Error, Result};
@@ -554,6 +556,21 @@ pub fn initialized_window(
     window
 }
 
+pub fn new_window_from_entries(
+    ledger_tail: &[Entry],
+    entry_height: u64,
+    node_info: &NodeInfo,
+    blob_recycler: &BlobRecycler,
+) -> SharedWindow {
+    // convert to blobs
+    let mut blobs = VecDeque::new();
+    ledger_tail.to_blobs(&blob_recycler, &mut blobs);
+
+    // flatten deque to vec
+    let blobs: Vec<_> = blobs.into_iter().collect();
+    initialized_window(&node_info, blobs, entry_height)
+}
+
 pub fn window(
     crdt: Arc<RwLock<Crdt>>,
     window: SharedWindow,