Use hashbrown replacements for std equivalents

[rust-lightning] / lightning / src / util / ser.rs

diff --git a/lightning/src/util/ser.rs b/lightning/src/util/ser.rs
index 4e69a37d20e9fcc5e0d093804136ef9f90be1747..b02fef275d2c08d644f1f706c8440f3d688d682c 100644 (file)
--- a/lightning/src/util/ser.rs
+++ b/lightning/src/util/ser.rs
@@ -12,7 +12,6 @@
 
 use prelude::*;
 use std::io::{Read, Write};
-use std::collections::HashMap;
 use core::hash::Hash;
 use std::sync::Mutex;
 use core::cmp;