diff --git a/components/servo/Cargo.toml b/components/servo/Cargo.toml
index 81a46875200..4b0d27e2531 100644
--- a/components/servo/Cargo.toml
+++ b/components/servo/Cargo.toml
@@ -26,7 +26,6 @@ energy-profiling = ["profile_traits/energy-profiling"]
 
 [profile.release]
 opt-level = 3
-codegen-units = 4
 # Uncomment to profile on Linux:
 # debug = true
 # lto = false