diff --git a/src/guiloop/x11.rs b/src/guiloop/x11.rs
index 8dd7ee8d6..160f2e78a 100644
--- a/src/guiloop/x11.rs
+++ b/src/guiloop/x11.rs
@@ -4,7 +4,7 @@ use crate::font::FontConfiguration;
 use crate::futurecore;
 use crate::xwindows::xwin::TerminalWindow;
 use crate::xwindows::Connection;
-use crate::{openpty, Child, Command, MasterPty};
+use crate::{openpty, Child, MasterPty};
 use failure::Error;
 use mio::unix::EventedFd;
 use mio::{Event, Evented, Events, Poll, PollOpt, Ready, Token};
@@ -248,7 +248,7 @@ impl GuiEventLoop {
         config: &Rc<Config>,
         fontconfig: &Rc<FontConfiguration>,
     ) -> Result<(), Error> {
-        let mut cmd = config.build_prog(None)?;
+        let cmd = config.build_prog(None)?;
         // First step is to figure out the font metrics so that we know how
         // big things are going to be.
         // we always load the cell_height for font 0,
diff --git a/src/xwindows/xwin.rs b/src/xwindows/xwin.rs
index a4e6e711d..31ef034aa 100644
--- a/src/xwindows/xwin.rs
+++ b/src/xwindows/xwin.rs
@@ -1,5 +1,5 @@
 use super::super::opengl::render::Renderer;
-use super::super::{Child, Command};
+use super::super::Child;
 use super::xkeysyms;
 use super::{Connection, Window};
 use crate::config::Config;
@@ -519,7 +519,7 @@ impl TerminalWindow {
         let cols = (self.width as usize + 1) / self.cell_width;
 
         let (pty, slave) = openpty(rows as u16, cols as u16, self.width, self.height)?;
-        let mut cmd = self.host.config.build_prog(None)?;
+        let cmd = self.host.config.build_prog(None)?;
 
         let process = RefCell::new(slave.spawn_command(cmd)?);
         eprintln!("spawned: {:?}", process);