diff --git a/components/selectors/Cargo.toml b/components/selectors/Cargo.toml
index 884f8c009ac..e0ee246dcea 100644
--- a/components/selectors/Cargo.toml
+++ b/components/selectors/Cargo.toml
@@ -22,7 +22,7 @@ shmem = ["dep:to_shmem", "dep:to_shmem_derive"]
 [dependencies]
 bitflags = "1.0"
 cssparser = "0.29"
-derive_more = "0.99"
+derive_more = { version = "0.99", default-features = false, features = ["add", "add_assign"] }
 fxhash = "0.2"
 log = "0.4"
 new_debug_unreachable = "1"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index e5b9640b430..4ede46270ae 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -42,7 +42,7 @@ atomic_refcell = "0.1"
 bitflags = "1.0"
 byteorder = "1.0"
 cssparser = "0.29"
-derive_more = "0.99"
+derive_more = { version = "0.99", default-features = false, features = ["add", "add_assign", "deref", "from"] }
 encoding_rs = { version = "0.8", optional = true }
 euclid = "0.22"
 fxhash = "0.2"