diff --git a/Cargo.lock b/Cargo.lock
index e6de683..f43c6ed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "alphanumeric-sort"
-version = "1.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77e9c9abb82613923ec78d7a461595d52491ba7240f3c64c0bbe0e6d98e0fce0"
-
 [[package]]
 name = "anyhow"
 version = "1.0.66"
@@ -89,68 +83,13 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "core-foundation-sys"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
-
-[[package]]
-name = "crossbeam-channel"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
-dependencies = [
- "cfg-if",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "715e8152b692bba2d374b53d4875445368fdf21a94751410af607a5ac677d1fc"
-dependencies = [
- "cfg-if",
- "crossbeam-epoch",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96bf8df95e795db1a4aca2957ad884a2df35413b24bbeb3114422f3cc21498e8"
-dependencies = [
- "autocfg",
- "cfg-if",
- "crossbeam-utils",
- "memoffset 0.7.1",
- "scopeguard",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "422f23e724af1240ec469ea1e834d87a4b59ce2efe2c6a96256b0c47e2fd86aa"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "either"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
-
 [[package]]
 name = "field-offset"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e1c54951450cbd39f3dbcf1005ac413b49487dabf18a720ad2383eccfeffb92"
 dependencies = [
- "memoffset 0.6.5",
+ "memoffset",
  "rustc_version",
 ]
 
@@ -411,15 +350,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
 
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "libappindicator"
 version = "0.7.1"
@@ -478,34 +408,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "memoffset"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "ntapi"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc51db7b362b205941f71232e56c625156eb9a929f8cf74a428fd5bc094a4afc"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "num_cpus"
-version = "1.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.16.0"
@@ -541,11 +443,8 @@ dependencies = [
 name = "parrotd"
 version = "0.1.0"
 dependencies = [
- "alphanumeric-sort",
- "glib",
  "gtk",
  "libappindicator",
- "sysinfo",
 ]
 
 [[package]]
@@ -629,29 +528,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rayon"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b"
-dependencies = [
- "crossbeam-deque",
- "either",
- "rayon-core",
-]
-
-[[package]]
-name = "rayon-core"
-version = "1.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
-dependencies = [
- "crossbeam-channel",
- "crossbeam-deque",
- "crossbeam-utils",
- "num_cpus",
-]
-
 [[package]]
 name = "rustc_version"
 version = "0.3.3"
@@ -661,12 +537,6 @@ dependencies = [
  "semver",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
-
 [[package]]
 name = "semver"
 version = "0.11.0"
@@ -717,21 +587,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "sysinfo"
-version = "0.26.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c375d5fd899e32847b8566e10598d6e9f1d9b55ec6de3cdf9e7da4bdc51371bc"
-dependencies = [
- "cfg-if",
- "core-foundation-sys",
- "libc",
- "ntapi",
- "once_cell",
- "rayon",
- "winapi",
-]
-
 [[package]]
 name = "system-deps"
 version = "6.0.3"
diff --git a/Cargo.toml b/Cargo.toml
index 11f771c..567480e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,3 @@ edition = "2021"
 [dependencies]
 libappindicator = "0.7"
 gtk = "0.15"
-glib = "0.15"
-sysinfo = "0.26"
-alphanumeric-sort = "1.4"
diff --git a/res/cat/dark_cat_0.png b/res/cat/dark_cat_0.png
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diff --git a/res/horse/light_horse_6.png b/res/horse/light_horse_6.png
deleted file mode 100644
index c0bdc07..0000000
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diff --git a/res/horse/light_horse_7.png b/res/horse/light_horse_7.png
deleted file mode 100644
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diff --git a/res/horse/light_horse_8.png b/res/horse/light_horse_8.png
deleted file mode 100644
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diff --git a/src/main.rs b/src/main.rs
index 15aac16..f3bf7e1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,29 +7,13 @@ pub use err::*;
 use libappindicator::*;
 use gtk::prelude::*;
 use pack::*;
-use std::cell::RefCell;
-use std::time::{Duration, Instant};
-use sysinfo::*;
 
-thread_local! {
-    static SYSTEM: RefCell<System> = RefCell::new(System::new_all());
-}
-
-fn update_frame_time() -> Duration {
-    return SYSTEM.with(|system| {
-        let mut system = system.borrow_mut();
-        system.refresh_cpu_specifics(CpuRefreshKind::new().with_cpu_usage());
-        let num_cpus = system.cpus().len();
-        let load: f32 = system.cpus().iter()
-            .map(|cpu| cpu.cpu_usage() / num_cpus as f32)
-            .sum();
-        return Duration::from_millis(10 + 2 * load as u64); // min 10 (~100Hz), max 210 (~5Hz)
-    })
-}
-
-fn init_indicator(icon_pack: &IconPack) -> AppIndicator {
+fn main() {
+    gtk::init().unwrap();
+    let mut icon_pack = IconPack::new("./res", "parrot", PackVariant::Dark).unwrap();
     let mut indicator = AppIndicator::new("parrotd", "");
     indicator.set_icon_theme_path(icon_pack.pack_path());
+    indicator.set_icon_full(icon_pack.next_icon_path(), "parrotd");
     indicator.set_status(AppIndicatorStatus::Active);
     let mut m = gtk::Menu::new();
     let mi = gtk::CheckMenuItem::with_label("I'm a parrot");
@@ -39,40 +23,5 @@ fn init_indicator(icon_pack: &IconPack) -> AppIndicator {
     m.append(&mi);
     indicator.set_menu(&mut m);
     m.show_all();
-    return indicator;
-}
-
-fn main() {
-    gtk::init().unwrap();
-
-    let res_dir = std::env::var("PARROTD_RESOURCE_DIR").unwrap_or("./res".to_owned());
-    let pack_name = std::env::var("PARROTD_ICON_PACK").unwrap_or("parrot".to_owned());
-    let variant = PackVariant::parse(
-        &std::env::var("PARROTD_VARIANT").unwrap_or("dark".to_owned())).expect("Invalid variant name");
-
-    let mut icon_pack = IconPack::new(res_dir, &pack_name, variant).unwrap();
-    let mut indicator = init_indicator(&icon_pack);
-
-    // Animation task
-    let mut last_update = Instant::now();
-    let mut last_update_frame_time = Instant::now();
-    let mut frame_time = update_frame_time();
-    glib::timeout_add_local(Duration::from_millis(1) /* we need granularity */, move || {
-        let now = Instant::now();
-
-        if now - last_update_frame_time >= Duration::from_millis(100) {
-            // Update frame time
-            frame_time = update_frame_time();
-            last_update_frame_time = now;
-        }
-
-        if now - last_update >= frame_time {
-            // Update animation
-            indicator.set_icon(icon_pack.next_icon_path());
-            last_update = now;
-        }
-        Continue(true)
-    });
-
     gtk::main();
 }
diff --git a/src/pack.rs b/src/pack.rs
index 7875859..c591787 100644
--- a/src/pack.rs
+++ b/src/pack.rs
@@ -2,7 +2,6 @@ use crate::*;
 use std::path::{Path, PathBuf};
 
 #[allow(dead_code)]
-#[derive(Debug)]
 pub enum PackVariant {
     Light,
     Dark,
@@ -15,14 +14,6 @@ impl PackVariant {
             PackVariant::Dark => "dark",
         }
     }
-
-    pub fn parse(s: &str) -> Option<PackVariant> {
-        match s {
-            "light" => Some(PackVariant::Light),
-            "dark" => Some(PackVariant::Dark),
-            _ => None
-        }
-    }
 }
 
 #[allow(unused)]
@@ -69,7 +60,7 @@ impl IconPack {
             icons.push(name.split_at(name.len() - ".png".len()).0.to_string());
         }
 
-        alphanumeric_sort::sort_str_slice(&mut icons); // Alphanumerical ordering
+        icons.sort(); // Alphanumerical ordering
 
         let num_icons = icons.len();