diff --git a/Cargo.lock b/Cargo.lock
index 49d1581..25e1004 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1424,10 +1424,8 @@ dependencies = [
  "rustc-hash",
  "serde",
  "signal-hook",
- "strum",
  "television-derive",
  "tempfile",
- "thiserror 2.0.12",
  "tokio",
  "toml",
  "tracing",
diff --git a/Cargo.toml b/Cargo.toml
index bc1f846..6fc61f3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,10 +48,7 @@ ratatui = { version = "0.29", features = ["serde", "macros"] }
 better-panic = "0.3"
 signal-hook = "0.3"
 human-panic = "2.0"
-# FIXME: we probably don't need strum anymore
-strum = { version = "0.26", features = ["derive"] }
 parking_lot = "0.12"
-thiserror = "2.0"
 nucleo = "0.5"
 toml = "0.8"
 lazy-regex = { version = "3.4.1", features = [
diff --git a/TODO.md b/TODO.md
deleted file mode 100644
index 781deb1..0000000
--- a/TODO.md
+++ /dev/null
@@ -1 +0,0 @@
-- checkout the `which` crate for searching binaries
diff --git a/television/channels/mod.rs b/television/channels/mod.rs
index f28e822..a49887a 100644
--- a/television/channels/mod.rs
+++ b/television/channels/mod.rs
@@ -8,7 +8,6 @@ pub mod cable;
 pub mod entry;
 pub mod preview;
 pub mod remote_control;
-// pub mod stdin;
 
 /// The interface that all television channels must implement.
 ///
@@ -116,10 +115,6 @@ pub trait OnAir: Send {
 #[allow(dead_code, clippy::module_name_repetitions)]
 #[derive(Broadcast)]
 pub enum TelevisionChannel {
-    /// The standard input channel.
-    ///
-    /// This channel allows to search through whatever is passed through stdin.
-    // Stdin(stdin::Channel),
     /// The remote control channel.
     ///
     /// This channel allows to switch between different channels.
@@ -143,7 +138,6 @@ impl TelevisionChannel {
     pub fn name(&self) -> String {
         match self {
             TelevisionChannel::Cable(channel) => channel.name.clone(),
-            // TelevisionChannel::Stdin(_) => String::from("Stdin"),
             TelevisionChannel::RemoteControl(_) => String::from("Remote"),
         }
     }
diff --git a/television/cli/args.rs b/television/cli/args.rs
index 571d484..f61d1d3 100644
--- a/television/cli/args.rs
+++ b/television/cli/args.rs
@@ -16,8 +16,7 @@ pub struct Cli {
     ///
     /// If provided, the preview command will be executed and formatted using
     /// the entry.
-    /// Example: "bat -n --color=always {}" (where {} will be replaced with
-    /// the entry)
+    /// Example: "cat {}" (where {} will be replaced with the entry)
     ///
     /// Parts of the entry can be extracted positionally using the `delimiter`
     /// option.
diff --git a/television/config/mod.rs b/television/config/mod.rs
index 6a1c56b..bd3158e 100644
--- a/television/config/mod.rs
+++ b/television/config/mod.rs
@@ -56,7 +56,6 @@ impl Hash for AppConfig {
 
 #[allow(dead_code)]
 #[derive(Clone, Debug, Serialize, Deserialize, Default, PartialEq, Hash)]
-#[serde(deny_unknown_fields)]
 pub struct Config {
     /// General application configuration
     #[allow(clippy::struct_field_names)]
@@ -342,6 +341,9 @@ mod tests {
         ui_scale = 40
         theme = "television"
 
+        [previewers.file]
+        theme = "something"
+
         [keybindings]
         toggle_help = ["ctrl-a", "ctrl-b"]
         confirm_selection = "ctrl-enter"
diff --git a/television/utils/shell.rs b/television/utils/shell.rs
index aa351fa..c9fc46c 100644
--- a/television/utils/shell.rs
+++ b/television/utils/shell.rs
@@ -1,10 +1,11 @@
+use std::fmt::Display;
+
 use crate::cli::args::Shell as CliShell;
 use crate::config::shell_integration::ShellIntegrationConfig;
 use anyhow::Result;
-use strum::Display;
 use tracing::debug;
 
-#[derive(Debug, Clone, Copy, PartialEq, Display)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum Shell {
     Bash,
     Zsh,
@@ -25,6 +26,18 @@ impl Default for Shell {
     }
 }
 
+impl Display for Shell {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Shell::Bash => write!(f, "bash"),
+            Shell::Zsh => write!(f, "zsh"),
+            Shell::Fish => write!(f, "fish"),
+            Shell::PowerShell => write!(f, "powershell"),
+            Shell::Cmd => write!(f, "cmd"),
+        }
+    }
+}
+
 const SHELL_ENV_VAR: &str = "SHELL";
 
 impl TryFrom<&str> for Shell {