diff --git a/Cargo.toml b/Cargo.toml
index a536833..8d4923f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,5 +25,4 @@ default = ["std"]
 defmt = ["dep:defmt"]
 fixed = ["dep:fixed"]
 std = ["num-traits/std"]
-nightly = []
 serde = ["dep:serde"]
diff --git a/src/lib.rs b/src/lib.rs
index 53454ff..4d9e220 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,4 @@
 #![cfg_attr(not(feature = "std"), no_std)]
-#![cfg_attr(feature = "nightly", feature(const_trait_impl))]
-#![cfg_attr(feature = "nightly", feature(trait_alias))]
 mod display;
 pub mod types;
 
@@ -42,9 +40,6 @@ where
     _cd: PhantomData<Candela>,
 }
 
-#[cfg(not(feature = "nightly"))]
-impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> Deref
-    for SiUnit<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>
 where
     Second: Integer,
     Metre: Integer,
@@ -54,14 +49,9 @@ where
     Mole: Integer,
     Candela: Integer,
 {
-    type Target = T;
-
-    fn deref(&self) -> &Self::Target {
-        &self.value
-    }
 }
-#[cfg(feature = "nightly")]
-impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> const Deref
+
+impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> Deref
     for SiUnit<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>
 where
     Second: Integer,
@@ -95,7 +85,6 @@ where
     }
 }
 
-#[cfg(not(feature = "nightly"))]
 impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> Neg
     for SiUnit<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>
 where
@@ -114,26 +103,6 @@ where
         Self::Output::new(-self.value)
     }
 }
-#[cfg(feature = "nightly")]
-impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> const Neg
-    for SiUnit<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>
-where
-    Second: Integer,
-    Metre: Integer,
-    Kilogram: Integer,
-    Ampere: Integer,
-    Kelvin: Integer,
-    Mole: Integer,
-    Candela: Integer,
-    T: ~const Neg,
-    Self: ~const Destruct,
-{
-    type Output = SiUnit<T::Output, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>;
-
-    fn neg(self) -> Self::Output {
-        Self::Output::new(-self.value)
-    }
-}
 
 impl<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela> Zero
     for SiUnit<T, Second, Metre, Kilogram, Ampere, Kelvin, Mole, Candela>