diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..10b6ce8
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,10 @@
+[unstable]
+build-std = [ "std", "panic_abort" ]
+build-std-features = [ "panic_immediate_abort" ]
+
+[profile.release]
+strip = true  # strip symbols from the binary
+opt-level = "z" # optimize for size
+lto = true # link time optimization
+codegen-units = 1 # decrease parallelization
+panic = "abort"
diff --git a/Cargo.lock b/Cargo.lock
index 691869e..b6b039f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,26 +8,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "arg"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "568bbed0b9810cd4b43c8560ff3c5d2318b29d78fc314818d156bbed7075d394"
-dependencies = [
- "arg-derive",
-]
-
-[[package]]
-name = "arg-derive"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "849efc162c06e51ce911bf4fe702f62a08f3b6ebbbfc5178e86c6bae449c2c60"
-dependencies = [
- "quote",
- "syn 1.0.109",
- "tabwriter",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -75,12 +55,10 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 name = "breed"
 version = "0.1.0"
 dependencies = [
- "arg",
  "crossbeam-channel",
  "crossterm",
  "libc",
  "notify",
- "once_cell",
  "parking_lot",
  "ropey",
  "syntect",
@@ -662,15 +640,6 @@ dependencies = [
  "walkdir",
 ]
 
-[[package]]
-name = "tabwriter"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36205cfc997faadcc4b0b87aaef3fbedafe20d38d4959a7ca6ff803564051111"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.40"
@@ -731,12 +700,6 @@ version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
-
 [[package]]
 name = "walkdir"
 version = "2.3.3"
diff --git a/Cargo.toml b/Cargo.toml
index 94d6c83..f22bc5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,12 +5,10 @@ edition = "2021"
 license = "AGPL-3.0-or-later"
 
 [dependencies]
-arg = "0.4.1"
 crossterm = "0.26"
 crossbeam-channel = "0.5"
 libc = "0.2.141"
 notify = "5"
-once_cell = "1.17"
 parking_lot = "0.12"
 ropey = "1.6"
 toml = "0.7"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..5d56faf
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "nightly"