diff --git a/v2/crates/wifi-densepose-mat/Cargo.toml b/v2/crates/wifi-densepose-mat/Cargo.toml
index d4ede0aa..147bcba5 100644
--- a/v2/crates/wifi-densepose-mat/Cargo.toml
+++ b/v2/crates/wifi-densepose-mat/Cargo.toml
@@ -15,12 +15,12 @@ readme = "README.md"
 default = ["std", "api", "ruvector"]
 ruvector = ["dep:ruvector-solver", "dep:ruvector-temporal-tensor"]
 std = []
-api = ["dep:serde", "chrono/serde", "geo/use-serde"]
+api = ["chrono/serde", "geo/use-serde"]
 portable = ["low-power"]
 low-power = []
 distributed = ["tokio/sync"]
 drone = ["distributed"]
-serde = ["dep:serde", "chrono/serde", "geo/use-serde"]
+serde = ["chrono/serde", "geo/use-serde"]
 
 [dependencies]
 # Workspace dependencies
@@ -43,7 +43,7 @@ thiserror = "2.0"
 anyhow = "1.0"
 
 # Serialization
-serde = { version = "1.0", features = ["derive"], optional = true }
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
 # Time handling