diff --git a/Cargo.lock b/Cargo.lock
index 30aee29523f..5b3b39c9981 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -921,11 +921,9 @@ dependencies = [
 name = "geckoservo"
 version = "0.0.1"
 dependencies = [
- "app_units 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "euclid 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/geckolib/Cargo.toml b/ports/geckolib/Cargo.toml
index 829aa98a270..a787ce685b3 100644
--- a/ports/geckolib/Cargo.toml
+++ b/ports/geckolib/Cargo.toml
@@ -13,11 +13,9 @@ crate-type = ["staticlib", "rlib"]
 bindgen = ["style/use_bindgen"]
 
 [dependencies]
-app_units = "0.4"
 atomic_refcell = "0.1"
 cssparser = "0.12"
 env_logger = {version = "0.4", default-features = false} # disable `regex` to reduce code size
-euclid = "0.11"
 lazy_static = "0.2"
 libc = "0.2"
 log = {version = "0.3.5", features = ["release_max_level_info"]}
diff --git a/ports/geckolib/lib.rs b/ports/geckolib/lib.rs
index 8754021afa5..ac04fb58757 100644
--- a/ports/geckolib/lib.rs
+++ b/ports/geckolib/lib.rs
@@ -4,11 +4,9 @@
 
 #![deny(warnings)]
 
-extern crate app_units;
 extern crate atomic_refcell;
 extern crate cssparser;
 extern crate env_logger;
-extern crate euclid;
 #[macro_use] extern crate lazy_static;
 extern crate libc;
 #[macro_use] extern crate log;