diff --git a/include/common/bitdepth.rs b/include/common/bitdepth.rs
index 80d395d0f..1a10a1bed 100644
--- a/include/common/bitdepth.rs
+++ b/include/common/bitdepth.rs
@@ -239,18 +239,6 @@ pub trait BitDepth: Clone + Copy {
         Self::Pixel::mut_slice_from(bytes).unwrap()
     }
 
-    fn _cast_coef_slice(bytes: &[u8]) -> &[Self::Coef] {
-        Self::Coef::slice_from(bytes).unwrap()
-    }
-
-    fn cast_coef_slice_mut(bytes: &mut [u8]) -> &mut [Self::Coef] {
-        Self::Coef::mut_slice_from(bytes).unwrap()
-    }
-
-    fn cast_coef(bytes: &[u8]) -> Self::Coef {
-        *Self::Coef::ref_from(bytes).unwrap()
-    }
-
     fn cast_coef_mut(bytes: &mut [u8]) -> &mut Self::Coef {
         Self::Coef::mut_from(bytes).unwrap()
     }