Metadata pulls in serde.

CHANGELOG.md

@@ -16,7 +16,9 @@ an object map is small.
 `HashMap` and `BTreeMap` have almost identical public API's so this change is unlikely to break
 existing code.
 
-All function signature/metadata methods are now grouped under the umbrella `metadata` feature.
+Im addition, all function signature/metadata methods are now grouped under the umbrella `metadata` feature.
+This avoids spending precious resources maintaining metadata for functions for the vast majority of
+use cases where such information is not required.
 
 
 Breaking changes

src/serde/mod.rs

@@ -8,7 +8,6 @@ mod serialize;
 mod str;
 
 #[cfg(feature = "metadata")]
-#[cfg(feature = "serde")]
 mod metadata;
 
 pub use de::from_dynamic;