diff --git a/src/rstd/atomic.rs b/src/rstd/atomic.rs
index 7992931..ea63384 100644
--- a/src/rstd/atomic.rs
+++ b/src/rstd/atomic.rs
@@ -43,10 +43,6 @@ pub trait AtomicExt: Atomic {
     fn parse_slice(slice: &[u8]) -> AParseResult<Self> {
         _parse_slice(slice)
     }
-
-    fn o_deserialise<'a, Ctx: Context<'a>>(dectx: &mut dyn DeCtx<'a, Ctx>) -> AParseResult<Self> {
-        Self::a_deserialize(dectx)
-    }
 }
 
 impl<A: Atomic> AtomicExt for A {}
diff --git a/src/rstd/atomic/atomic_object.rs b/src/rstd/atomic/atomic_object.rs
index 164c808..fc3ace4 100644
--- a/src/rstd/atomic/atomic_object.rs
+++ b/src/rstd/atomic/atomic_object.rs
@@ -73,7 +73,7 @@ impl<'a, Ctx: Context<'a>, A: Atomic> Factory<'a, Ctx> for AtomicFactory<A> {
     type ParseError = A::AParseError;
 
     fn deserialize(&self, dectx: &mut dyn DeCtx<'a, Ctx>) -> ParseResult<'a, Ctx, Self> {
-        Ok(A::o_deserialise(dectx)?.into())
+        Ok(A::a_deserialize(dectx)?.into())
     }
 
     fn extend(&self, mentionable: Self::Mtbl, tail: &[u8]) -> ParseResult<'a, Ctx, Self> {
diff --git a/src/rstd/collections/tree.rs b/src/rstd/collections/tree.rs
index a02ee5e..c3fa7d7 100644
--- a/src/rstd/collections/tree.rs
+++ b/src/rstd/collections/tree.rs
@@ -160,7 +160,7 @@ impl<'a, Ctx: Context<'a>, F: Factory<'a, Ctx>> Factory<'a, Ctx> for TreeFactory
 
     fn deserialize(&self, dectx: &mut dyn DeCtx<'a, Ctx>) -> ParseResult<'a, Ctx, Self> {
         let node = self.0.deserialize(dectx)?;
-        let height = u64::o_deserialise(dectx)?;
+        let height = u64::a_deserialize(dectx)?;
         let tree = Tree { node, height };
         tree.validate_height()?;
         Ok(tree)