diff --git a/src/lib.rs b/src/lib.rs
index df58a83..c51ebb7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,7 +8,6 @@ pub mod colors;
 pub mod error;
 pub mod model;
 pub mod output_destination;
-pub mod process;
 pub mod regexes;
 pub mod selection;
 pub mod tmux;
diff --git a/src/process.rs b/src/process.rs
deleted file mode 100644
index 5ef5825..0000000
--- a/src/process.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-use std::process::Command;
-
-use crate::error::ParseError;
-
-/// Execute an arbitrary Unix command and return the stdout as a `String` if
-/// successful.
-pub fn execute(command: &str, args: &[&str]) -> Result<String, ParseError> {
-    let output = Command::new(command).args(args).output()?;
-
-    if !output.status.success() {
-        let msg = String::from_utf8_lossy(&output.stderr);
-        return Err(ParseError::ProcessFailure(format!(
-            "Process failure: {} {}, error {}",
-            command,
-            args.join(" "),
-            msg
-        )));
-    }
-
-    Ok(String::from_utf8_lossy(&output.stdout).to_string())
-}
diff --git a/src/tmux.rs b/src/tmux.rs
index 529e74d..1649af1 100644
--- a/src/tmux.rs
+++ b/src/tmux.rs
@@ -5,7 +5,6 @@ use std::fmt;
 use std::str::FromStr;
 
 use crate::error::ParseError;
-use crate::process;
 
 #[derive(Debug, PartialEq)]
 pub struct Pane {
@@ -145,7 +144,7 @@ pub fn list_panes() -> Result<Vec<Pane>, ParseError> {
         "#{pane_id}:#{?pane_in_mode,true,false}:#{pane_height}:#{scroll_position}:#{?pane_active,true,false}",
         ];
 
-    let output = process::execute("tmux", &args)?;
+    let output = duct::cmd("tmux", &args).read()?;
 
     // Each call to `Pane::parse` returns a `Result<Pane, _>`. All results
     // are collected into a Result<Vec<Pane>, _>, thanks to `collect()`.
@@ -165,9 +164,7 @@ pub fn list_panes() -> Result<Vec<Pane>, ParseError> {
 /// # Example
 /// ```get_options("@copyrat-")```
 pub fn get_options(prefix: &str) -> Result<HashMap<String, String>, ParseError> {
-    let args = vec!["show", "-g"];
-
-    let output = process::execute("tmux", &args)?;
+    let output = duct::cmd!("tmux", "show", "-g").read()?;
     let lines: Vec<&str> = output.split('\n').collect();
 
     let pattern = format!(r#"{prefix}([\w\-0-9]+) "?(\w+)"?"#, prefix = prefix);
@@ -223,16 +220,14 @@ pub fn capture_pane(pane: &Pane, region: &CaptureRegion) -> Result<String, Parse
 
     let args: Vec<&str> = args.split(' ').collect();
 
-    let output = process::execute("tmux", &args)?;
+    let output = duct::cmd("tmux", &args).read()?;
     Ok(output)
 }
 
 /// Ask tmux to swap the current Pane with the target_pane (uses Tmux format).
 pub fn swap_pane_with(target_pane: &str) -> Result<(), ParseError> {
     // -Z: keep the window zoomed if it was zoomed.
-    let args = vec!["swap-pane", "-Z", "-s", target_pane];
-
-    process::execute("tmux", &args)?;
+    duct::cmd!("tmux", "swap-pane", "-Z", "-s", target_pane).run()?;
 
     Ok(())
 }
diff --git a/src/ui.rs b/src/ui.rs
index 11ee285..bcc0d6d 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -8,7 +8,7 @@ use sequence_trie::SequenceTrie;
 use termion::{self, color, cursor, event, style};
 
 use crate::error::ParseError;
-use crate::{colors, model, output_destination::OutputDestination, process, selection::Selection};
+use crate::{colors, model, output_destination::OutputDestination, selection::Selection};
 
 pub struct Ui<'a> {
     model: &'a mut model::Model<'a>,
@@ -493,8 +493,8 @@ impl<'a> Ui<'a> {
                 event::Key::Char(_ch @ ' ') => {
                     output_destination.toggle();
                     let message = format!("output destination: `{}`", output_destination);
-                    let args = vec!["display-message", &message];
-                    process::execute("tmux", &args)
+                    duct::cmd!("tmux", "display-message", &message)
+                        .run()
                         .expect("could not make tmux display the message.");
                     continue;
                 }