diff --git a/README.md b/README.md
index 6c71019..ef2d914 100644
--- a/README.md
+++ b/README.md
@@ -48,8 +48,7 @@ vdflex = "0.1.0"
 
 ## Feature Flags
 
-- `default`: `["std"]`
-- `no_std`: Don't use the standard library
+- `default`: No features
 - `preserve_order`: Preserve entry insertion order 
 
 ## Quick Start
diff --git a/src/de.rs b/src/de.rs
index 4ee96da..a280e30 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -4,7 +4,9 @@
 #![allow(dead_code)]
 
 use crate::Result;
+use serde::de::DeserializeOwned;
 use serde::Deserialize;
+use std::io::Read;
 
 /// Deserialize a KeyValues value representing some type `T`.
 ///
@@ -33,7 +35,6 @@ pub fn kv_from_str<'a, T: Deserialize<'a>>(_s: &'a str) -> Result<(String, T)> {
 ///
 /// Deserialization can fail if the input is not valid KeyValues or does not match the structure
 /// expected by `T`. It can also fail if `T`'s implementation of `Deserialize` decides to fail.
-#[cfg(feature = "std")]
 pub fn from_reader<R: Read, T: DeserializeOwned>(_reader: R) -> Result<T> {
     unimplemented!()
 }
@@ -46,7 +47,6 @@ pub fn from_reader<R: Read, T: DeserializeOwned>(_reader: R) -> Result<T> {
 ///
 /// Deserialization can fail if the input is not valid KeyValues or does not match the structure
 /// expected by `T`. It can also fail if `T`'s implementation of `Deserialize` decides to fail.
-#[cfg(feature = "std")]
 pub fn kv_from_reader<R: Read, T: DeserializeOwned>(_reader: R) -> Result<(String, T)> {
     unimplemented!()
 }
diff --git a/src/lib.rs b/src/lib.rs
index 697ee0b..13b248e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,7 +23,6 @@ pub enum Value {
     Object(Object),
 }
 
-#[cfg(feature = "std")]
 impl serde::Serialize for Value {
     fn serialize<S: serde::Serializer>(&self, serializer: S) -> result::Result<S::Ok, S::Error> {
         match self {
@@ -119,7 +118,6 @@ impl KeyValues {
     }
 }
 
-#[cfg(feature = "std")]
 impl serde::Serialize for KeyValues {
     fn serialize<S: serde::Serializer>(&self, serializer: S) -> result::Result<S::Ok, S::Error> {
         self.root.serialize(serializer)