diff --git a/Cargo.lock b/Cargo.lock
index b9334ef55..ab0b1c463 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1932,7 +1932,6 @@ dependencies = [
  "log",
  "mlua",
  "serde",
- "serde_json",
  "strsim 0.10.0",
  "thiserror",
 ]
@@ -2845,7 +2844,6 @@ dependencies = [
  "async-task 4.0.2",
  "flume",
  "lazy_static",
- "smol",
  "thiserror",
 ]
 
@@ -4339,7 +4337,6 @@ dependencies = [
 name = "wezterm-gui"
 version = "0.1.0"
 dependencies = [
- "allsorts",
  "anyhow",
  "bitflags 1.2.1",
  "cc",
@@ -4530,7 +4527,6 @@ dependencies = [
  "memmap",
  "metrics",
  "mio",
- "mio-extras",
  "objc",
  "palette",
  "pretty_env_logger",
diff --git a/luahelper/Cargo.toml b/luahelper/Cargo.toml
index db697437b..0c11810a6 100644
--- a/luahelper/Cargo.toml
+++ b/luahelper/Cargo.toml
@@ -11,6 +11,5 @@ bstr = "0.2"
 log = "0.4"
 mlua = "0.4"
 serde = {version="1.0", features = ["rc", "derive"]}
-serde_json = "1.0"
 strsim = "0.10"
 thiserror = "1.0"
diff --git a/promise/Cargo.toml b/promise/Cargo.toml
index 993de4389..1aa49794f 100644
--- a/promise/Cargo.toml
+++ b/promise/Cargo.toml
@@ -5,7 +5,6 @@ version = "0.2.0"
 edition = "2018"
 
 [dependencies]
-smol = "1.2"
 async-task = "4.0"
 async-std = "1.4"
 anyhow = "1.0"
diff --git a/wezterm-gui/Cargo.toml b/wezterm-gui/Cargo.toml
index 05fd6280f..f15789eb4 100644
--- a/wezterm-gui/Cargo.toml
+++ b/wezterm-gui/Cargo.toml
@@ -15,7 +15,6 @@ embed-resource = "1.3"
 cc = "1.0"
 
 [dependencies]
-allsorts = "0.4"
 anyhow = "1.0"
 bitflags = "1.0"
 codec = { path = "../codec" }
diff --git a/window/Cargo.toml b/window/Cargo.toml
index 8840c513a..e96c5f47a 100644
--- a/window/Cargo.toml
+++ b/window/Cargo.toml
@@ -56,7 +56,6 @@ xcb = {version="0.9", features=["shm", "xkb", "xlib_xcb"]}
 xcb-util = { features = [ "icccm", "ewmh", "keysyms", "shm"], version = "0.3" }
 xkbcommon = { version = "0.5", features = ["x11", "wayland"], git="https://github.com/wez/xkbcommon-rs.git", rev="01a0a0cd5663405e6e4abb1ad3add9add1496f58"}
 mio = "0.6"
-mio-extras = "2.0"
 libc = "0.2"
 smithay-client-toolkit = {version = "0.9", optional = true, features=["calloop"], git="https://github.com/wez/client-toolkit.git", branch="title_trunc"}
 memmap = {version="0.7", optional=true}