diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51072cb..b2572cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,7 +43,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Resize of bitmap fonts
 - Crash when using bitmap font with `embeddedbitmap` set to `false`
 - Inconsistent fontconfig fallback
-- Backspace deleting characters while IME is open on macOS
 - Handling of OpenType variable fonts
 - Expansion of block-selection on partially selected full-width glyphs
 - Minimize action only works with decorations on macOS
diff --git a/alacritty/src/config/bindings.rs b/alacritty/src/config/bindings.rs
index 67dda77..d5360e9 100644
--- a/alacritty/src/config/bindings.rs
+++ b/alacritty/src/config/bindings.rs
@@ -287,6 +287,7 @@ pub fn default_key_bindings() -> Vec<KeyBinding> {
         PageDown; Action::Esc("\x1b[6~".into());
         PageDown, ModifiersState::SHIFT, +TermMode::ALT_SCREEN; Action::Esc("\x1b[6;2~".into());
         Tab,  ModifiersState::SHIFT; Action::Esc("\x1b[Z".into());
+        Back; Action::Esc("\x7f".into());
         Back, ModifiersState::ALT; Action::Esc("\x1b\x7f".into());
         Insert; Action::Esc("\x1b[2~".into());
         Delete; Action::Esc("\x1b[3~".into());
@@ -405,7 +406,6 @@ fn common_keybindings() -> Vec<KeyBinding> {
         Add,      ModifiersState::CTRL;  Action::IncreaseFontSize;
         Subtract, ModifiersState::CTRL;  Action::DecreaseFontSize;
         Minus,    ModifiersState::CTRL;  Action::DecreaseFontSize;
-        Back; Action::Esc("\x7f".into());
     )
 }
 
diff --git a/alacritty/src/config/mod.rs b/alacritty/src/config/mod.rs
index 1c5f7ba..d7b702b 100644
--- a/alacritty/src/config/mod.rs
+++ b/alacritty/src/config/mod.rs
@@ -7,9 +7,6 @@ use std::path::PathBuf;
 #[cfg(windows)]
 use dirs;
 use log::{error, warn};
-use serde_yaml;
-#[cfg(not(windows))]
-use xdg;
 
 use alacritty_terminal::config::{Config as TermConfig, LOG_TARGET_CONFIG};
 
diff --git a/alacritty/src/logging.rs b/alacritty/src/logging.rs
index 9d837a7..86f01ce 100644
--- a/alacritty/src/logging.rs
+++ b/alacritty/src/logging.rs
@@ -27,7 +27,6 @@ use std::sync::{Arc, Mutex};
 
 use glutin::event_loop::EventLoopProxy;
 use log::{self, Level};
-use time;
 
 use alacritty_terminal::event::Event;
 use alacritty_terminal::message_bar::Message;
diff --git a/alacritty_terminal/src/ansi.rs b/alacritty_terminal/src/ansi.rs
index bac7e0c..c71d94f 100644
--- a/alacritty_terminal/src/ansi.rs
+++ b/alacritty_terminal/src/ansi.rs
@@ -19,8 +19,6 @@ use std::str;
 use log::{debug, trace};
 use serde::{Deserialize, Serialize};
 
-use vte;
-
 use crate::index::{Column, Line};
 use crate::term::color::Rgb;
 
diff --git a/alacritty_terminal/src/term/mod.rs b/alacritty_terminal/src/term/mod.rs
index 57733bf..ae1d715 100644
--- a/alacritty_terminal/src/term/mod.rs
+++ b/alacritty_terminal/src/term/mod.rs
@@ -2181,8 +2181,6 @@ impl IndexMut<Column> for TabStops {
 mod tests {
     use std::mem;
 
-    use serde_json;
-
     use crate::ansi::{self, CharsetIndex, Handler, StandardCharset};
     use crate::clipboard::Clipboard;
     use crate::config::MockConfig;
diff --git a/alacritty_terminal/src/tty/mod.rs b/alacritty_terminal/src/tty/mod.rs
index 425ec4b..f3e07eb 100644
--- a/alacritty_terminal/src/tty/mod.rs
+++ b/alacritty_terminal/src/tty/mod.rs
@@ -13,7 +13,6 @@
 // limitations under the License.
 //
 //! tty related functionality
-use mio;
 use std::{env, io};
 
 use terminfo::Database;
diff --git a/alacritty_terminal/src/tty/unix.rs b/alacritty_terminal/src/tty/unix.rs
index 1b01af0..3be5946 100644
--- a/alacritty_terminal/src/tty/unix.rs
+++ b/alacritty_terminal/src/tty/unix.rs
@@ -18,7 +18,6 @@ use crate::config::{Config, Shell};
 use crate::event::OnResize;
 use crate::term::SizeInfo;
 use crate::tty::{ChildEvent, EventedPty, EventedReadWrite};
-use mio;
 
 use libc::{self, c_int, pid_t, winsize, TIOCSCTTY};
 use log::error;
diff --git a/winpty/build.rs b/winpty/build.rs
index 0035ce3..ae141f7 100644
--- a/winpty/build.rs
+++ b/winpty/build.rs
@@ -62,7 +62,7 @@ fn aquire_winpty_agent(out_path: &Path) {
 
     let mut archive = zip::ZipArchive::new(file).unwrap();
 
-    let target = match env::var("TARGET").unwrap().split("-").next().unwrap() {
+    let target = match env::var("TARGET").unwrap().split('-').next().unwrap() {
         "x86_64" => "x64",
         "i386" => "ia32",
         _ => panic!("architecture has no winpty binary"),