diff --git a/components/plugins/Cargo.toml b/components/plugins/Cargo.toml
index d60e535bfaf..39ec3723b45 100644
--- a/components/plugins/Cargo.toml
+++ b/components/plugins/Cargo.toml
@@ -10,9 +10,6 @@ name = "plugins"
 path = "lib.rs"
 plugin = true
 
-[dependencies]
-tenacious = "0.2.0"
-
 [dependencies.clippy_lints]
 version = "0.0.77"
 optional = true
diff --git a/components/plugins/lib.rs b/components/plugins/lib.rs
index 52bfad7e049..30009d63aeb 100644
--- a/components/plugins/lib.rs
+++ b/components/plugins/lib.rs
@@ -25,7 +25,6 @@ extern crate rustc_plugin;
 #[macro_use]
 extern crate syntax;
 extern crate syntax_ext;
-extern crate tenacious;
 
 use rustc_plugin::Registry;
 use syntax::ext::base::*;
@@ -53,7 +52,6 @@ pub fn plugin_registrar(reg: &mut Registry) {
     reg.register_late_lint_pass(box lints::inheritance_integrity::InheritancePass);
     reg.register_late_lint_pass(box lints::transmute_type::TransmutePass);
     reg.register_early_lint_pass(box lints::ban::BanPass);
-    reg.register_late_lint_pass(box tenacious::TenaciousPass);
     reg.register_attribute("must_root".to_string(), Whitelisted);
     reg.register_attribute("servo_lang".to_string(), Whitelisted);
     reg.register_attribute("allow_unrooted_interior".to_string(), Whitelisted);
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 7351981ff27..90897ef11b2 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -1716,9 +1716,6 @@ dependencies = [
 [[package]]
 name = "plugins"
 version = "0.0.1"
-dependencies = [
- "tenacious 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "pnacl-build-helper"
@@ -2311,11 +2308,6 @@ dependencies = [
  "winapi 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "tenacious"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "tendril"
 version = "0.2.2"
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index f324951617b..b10cfbc75b0 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -1580,9 +1580,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "plugins"
 version = "0.0.1"
-dependencies = [
- "tenacious 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "pnacl-build-helper"
@@ -2179,11 +2176,6 @@ dependencies = [
  "winapi 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "tenacious"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "tendril"
 version = "0.2.2"