diff --git a/libosdp-sys/Cargo.toml b/libosdp-sys/Cargo.toml
index 0181ef1..38753dd 100644
--- a/libosdp-sys/Cargo.toml
+++ b/libosdp-sys/Cargo.toml
@@ -19,8 +19,6 @@ build-target = "0.4.0"
 cc = "1.0.83"
 
 [features]
-default = ["std"]
-std = []
 packet_trace = []
 data_trace = []
 skip_mark_byte = []
diff --git a/libosdp-sys/src/lib.rs b/libosdp-sys/src/lib.rs
index 44945f4..2016d07 100644
--- a/libosdp-sys/src/lib.rs
+++ b/libosdp-sys/src/lib.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(not(feature = "std"), no_std)]
+#![no_std]
 //! Auto generated (bindgen) wrapper for LibOSDP C API exposed from osdp.h
 //! [here](https://github.com/goToMain/libosdp/blob/master/include/osdp.h).
 
diff --git a/libosdp/Cargo.toml b/libosdp/Cargo.toml
index 6c1ee94..3e760a1 100644
--- a/libosdp/Cargo.toml
+++ b/libosdp/Cargo.toml
@@ -29,7 +29,7 @@ sha256 = "1.5.0"
 
 [features]
 default = ["std"]
-std = ["libosdp-sys/std", "thiserror", "serde/std"]
+std = ["thiserror", "serde/std"]
 
 [[example]]
 name = "cp"