diff --git a/src/ap/trans/activity.rs b/src/ap/trans/activity.rs
index 629a883..ca632ab 100644
--- a/src/ap/trans/activity.rs
+++ b/src/ap/trans/activity.rs
@@ -6,6 +6,39 @@ use crate::ap::trans::{
 };
 use crate::ap::vocab::apub;
 
+ap_super_enum! {
+    Activity,
+
+    Accept(Accept),
+    Add(Add),
+    Announce(Announce),
+    Arrive(Arrive),
+    Block(Block),
+    Create(Create),
+    Delete(Delete),
+    Dislike(Dislike),
+    Flag(Flag),
+    Follow(Follow),
+    Ignore(Ignore),
+    Invite(Invite),
+    Join(Join),
+    Leave(Leave),
+    Like(Like),
+    Listen(Listen),
+    Move(Move),
+    Offer(Offer),
+    Question(Question),
+    Reject(Reject),
+    Read(Read),
+    Remove(Remove),
+    TentativeReject(TentativeReject),
+    TentativeAccept(TentativeAccept),
+    Travel(Travel),
+    Undo(Undo),
+    Update(Update),
+    View(View),
+}
+
 pub struct AbstractActivity {
     _super: AbstractObject,
     pub actor: Vec<ApDocument>,
@@ -51,178 +84,6 @@ impl DebugApub for AbstractActivity {
     }
 }
 
-pub enum Activity {
-    Accept(Accept),
-    Add(Add),
-    Announce(Announce),
-    Arrive(Arrive),
-    Block(Block),
-    Create(Create),
-    Delete(Delete),
-    Dislike(Dislike),
-    Flag(Flag),
-    Follow(Follow),
-    Ignore(Ignore),
-    Invite(Invite),
-    Join(Join),
-    Leave(Leave),
-    Like(Like),
-    Listen(Listen),
-    Move(Move),
-    Offer(Offer),
-    Question(Question),
-    Reject(Reject),
-    Read(Read),
-    Remove(Remove),
-    TentativeReject(TentativeReject),
-    TentativeAccept(TentativeAccept),
-    Travel(Travel),
-    Undo(Undo),
-    Update(Update),
-    View(View),
-}
-
-impl ParseApub for Activity {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        Accept::parse_apub(obj)
-            .map(Self::Accept)
-            .or_else(|| Add::parse_apub(obj).map(Self::Add))
-            .or_else(|| Announce::parse_apub(obj).map(Self::Announce))
-            .or_else(|| Arrive::parse_apub(obj).map(Self::Arrive))
-            .or_else(|| Block::parse_apub(obj).map(Self::Block))
-            .or_else(|| Create::parse_apub(obj).map(Self::Create))
-            .or_else(|| Delete::parse_apub(obj).map(Self::Delete))
-            .or_else(|| Dislike::parse_apub(obj).map(Self::Dislike))
-            .or_else(|| Flag::parse_apub(obj).map(Self::Flag))
-            .or_else(|| Follow::parse_apub(obj).map(Self::Follow))
-            .or_else(|| Ignore::parse_apub(obj).map(Self::Ignore))
-            .or_else(|| Invite::parse_apub(obj).map(Self::Invite))
-            .or_else(|| Join::parse_apub(obj).map(Self::Join))
-            .or_else(|| Leave::parse_apub(obj).map(Self::Leave))
-            .or_else(|| Like::parse_apub(obj).map(Self::Like))
-            .or_else(|| Listen::parse_apub(obj).map(Self::Listen))
-            .or_else(|| Move::parse_apub(obj).map(Self::Move))
-            .or_else(|| Offer::parse_apub(obj).map(Self::Offer))
-            .or_else(|| Question::parse_apub(obj).map(Self::Question))
-            .or_else(|| Reject::parse_apub(obj).map(Self::Reject))
-            .or_else(|| Read::parse_apub(obj).map(Self::Read))
-            .or_else(|| Remove::parse_apub(obj).map(Self::Remove))
-            .or_else(|| TentativeReject::parse_apub(obj).map(Self::TentativeReject))
-            .or_else(|| TentativeAccept::parse_apub(obj).map(Self::TentativeAccept))
-            .or_else(|| Travel::parse_apub(obj).map(Self::Travel))
-            .or_else(|| Undo::parse_apub(obj).map(Self::Undo))
-            .or_else(|| Update::parse_apub(obj).map(Self::Update))
-            .or_else(|| View::parse_apub(obj).map(Self::View))
-    }
-}
-
-impl DebugApub for Activity {
-    fn apub_class_name(&self) -> &str {
-        use Activity::*;
-
-        match self {
-            Accept(a) => a.apub_class_name(),
-            Add(a) => a.apub_class_name(),
-            Announce(a) => a.apub_class_name(),
-            Arrive(a) => a.apub_class_name(),
-            Block(b) => b.apub_class_name(),
-            Create(c) => c.apub_class_name(),
-            Delete(d) => d.apub_class_name(),
-            Dislike(d) => d.apub_class_name(),
-            Flag(f) => f.apub_class_name(),
-            Follow(f) => f.apub_class_name(),
-            Ignore(i) => i.apub_class_name(),
-            Invite(i) => i.apub_class_name(),
-            Join(j) => j.apub_class_name(),
-            Leave(l) => l.apub_class_name(),
-            Like(l) => l.apub_class_name(),
-            Listen(l) => l.apub_class_name(),
-            Move(m) => m.apub_class_name(),
-            Offer(o) => o.apub_class_name(),
-            Question(q) => q.apub_class_name(),
-            Reject(r) => r.apub_class_name(),
-            Read(r) => r.apub_class_name(),
-            Remove(r) => r.apub_class_name(),
-            TentativeReject(t) => t.apub_class_name(),
-            TentativeAccept(t) => t.apub_class_name(),
-            Travel(t) => t.apub_class_name(),
-            Undo(u) => u.apub_class_name(),
-            Update(u) => u.apub_class_name(),
-            View(v) => v.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Activity::*;
-
-        match self {
-            Accept(a) => a.debug_apub(f, depth),
-            Add(a) => a.debug_apub(f, depth),
-            Announce(a) => a.debug_apub(f, depth),
-            Arrive(a) => a.debug_apub(f, depth),
-            Block(b) => b.debug_apub(f, depth),
-            Create(c) => c.debug_apub(f, depth),
-            Delete(d) => d.debug_apub(f, depth),
-            Dislike(d) => d.debug_apub(f, depth),
-            Flag(flag) => flag.debug_apub(f, depth),
-            Follow(follow) => follow.debug_apub(f, depth),
-            Ignore(i) => i.debug_apub(f, depth),
-            Invite(i) => i.debug_apub(f, depth),
-            Join(j) => j.debug_apub(f, depth),
-            Leave(l) => l.debug_apub(f, depth),
-            Like(l) => l.debug_apub(f, depth),
-            Listen(l) => l.debug_apub(f, depth),
-            Move(m) => m.debug_apub(f, depth),
-            Offer(o) => o.debug_apub(f, depth),
-            Question(q) => q.debug_apub(f, depth),
-            Reject(r) => r.debug_apub(f, depth),
-            Read(r) => r.debug_apub(f, depth),
-            Remove(r) => r.debug_apub(f, depth),
-            TentativeReject(t) => t.debug_apub(f, depth),
-            TentativeAccept(t) => t.debug_apub(f, depth),
-            Travel(t) => t.debug_apub(f, depth),
-            Undo(u) => u.debug_apub(f, depth),
-            Update(u) => u.debug_apub(f, depth),
-            View(v) => v.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Activity::*;
-
-        match self {
-            Accept(a) => a.debug_apub_members(f, depth),
-            Add(a) => a.debug_apub_members(f, depth),
-            Announce(a) => a.debug_apub_members(f, depth),
-            Arrive(a) => a.debug_apub_members(f, depth),
-            Block(b) => b.debug_apub_members(f, depth),
-            Create(c) => c.debug_apub_members(f, depth),
-            Delete(d) => d.debug_apub_members(f, depth),
-            Dislike(d) => d.debug_apub_members(f, depth),
-            Flag(flag) => flag.debug_apub_members(f, depth),
-            Follow(follow) => follow.debug_apub_members(f, depth),
-            Ignore(i) => i.debug_apub_members(f, depth),
-            Invite(i) => i.debug_apub_members(f, depth),
-            Join(j) => j.debug_apub_members(f, depth),
-            Leave(l) => l.debug_apub_members(f, depth),
-            Like(l) => l.debug_apub_members(f, depth),
-            Listen(l) => l.debug_apub_members(f, depth),
-            Move(m) => m.debug_apub_members(f, depth),
-            Offer(o) => o.debug_apub_members(f, depth),
-            Question(q) => q.debug_apub_members(f, depth),
-            Reject(r) => r.debug_apub_members(f, depth),
-            Read(r) => r.debug_apub_members(f, depth),
-            Remove(r) => r.debug_apub_members(f, depth),
-            TentativeReject(t) => t.debug_apub_members(f, depth),
-            TentativeAccept(t) => t.debug_apub_members(f, depth),
-            Travel(t) => t.debug_apub_members(f, depth),
-            Undo(u) => u.debug_apub_members(f, depth),
-            Update(u) => u.debug_apub_members(f, depth),
-            View(v) => v.debug_apub_members(f, depth),
-        }
-    }
-}
-
 pub struct Question {
     _super: AbstractActivity,
     pub one_of: Vec<ApDocument>,
diff --git a/src/ap/trans/actor.rs b/src/ap/trans/actor.rs
index 3950119..16f5a3d 100644
--- a/src/ap/trans/actor.rs
+++ b/src/ap/trans/actor.rs
@@ -1,9 +1,18 @@
-use iref::IriBuf;
 use std::fmt;
 
 use crate::ap::trans::{AbstractObject, ApDocument, DebugApub, ParseApub, PropHelper, RawObject};
 use crate::ap::vocab::{apub, toot, NyaIri};
 
+ap_super_enum! {
+    Actor,
+
+    Application(Application),
+    Group(Group),
+    Organization(Organization),
+    Person(Person),
+    Service(Service),
+}
+
 pub struct AbstractActor {
     _super: AbstractObject,
     inbox: Option<NyaIri>,
@@ -61,60 +70,6 @@ impl DebugApub for AbstractActor {
     }
 }
 
-pub enum Actor {
-    Application(Application),
-    Group(Group),
-    Organization(Organization),
-    Person(Person),
-    Service(Service),
-}
-
-impl ParseApub for Actor {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        Application::parse_apub(obj)
-            .map(Self::Application)
-            .or_else(|| Group::parse_apub(obj).map(Self::Group))
-            .or_else(|| Organization::parse_apub(obj).map(Self::Organization))
-            .or_else(|| Person::parse_apub(obj).map(Self::Person))
-            .or_else(|| Service::parse_apub(obj).map(Self::Service))
-    }
-}
-
-impl DebugApub for Actor {
-    fn apub_class_name(&self) -> &str {
-        use Actor::*;
-        match self {
-            Application(a) => a.apub_class_name(),
-            Group(g) => g.apub_class_name(),
-            Organization(o) => o.apub_class_name(),
-            Person(p) => p.apub_class_name(),
-            Service(s) => s.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Actor::*;
-        match self {
-            Application(a) => a.debug_apub(f, depth),
-            Group(g) => g.debug_apub(f, depth),
-            Organization(o) => o.debug_apub(f, depth),
-            Person(p) => p.debug_apub(f, depth),
-            Service(s) => s.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Actor::*;
-        match self {
-            Application(a) => a.debug_apub_members(f, depth),
-            Group(g) => g.debug_apub_members(f, depth),
-            Organization(o) => o.debug_apub_members(f, depth),
-            Person(p) => p.debug_apub_members(f, depth),
-            Service(s) => s.debug_apub_members(f, depth),
-        }
-    }
-}
-
 ap_empty_child_impl!(Application, AbstractActor, apub::Application);
 ap_empty_child_impl!(Group, AbstractActor, apub::Group);
 ap_empty_child_impl!(Organization, AbstractActor, apub::Organization);
diff --git a/src/ap/trans/link.rs b/src/ap/trans/link.rs
index c0bfc4c..00c38c7 100644
--- a/src/ap/trans/link.rs
+++ b/src/ap/trans/link.rs
@@ -4,42 +4,13 @@ use std::fmt;
 use crate::ap::trans::{matches_type, ApDocument, DebugApub, ParseApub, PropHelper, RawObject};
 use crate::ap::vocab::{apub, NyaIri};
 
-pub enum Link {
+ap_super_enum! {
+    Link,
+
     Link(BaseLink),
     Mention(Mention),
 }
 
-impl ParseApub for Link {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        BaseLink::parse_apub(obj)
-            .map(Self::Link)
-            .or_else(|| Mention::parse_apub(obj).map(Self::Mention))
-    }
-}
-
-impl DebugApub for Link {
-    fn apub_class_name(&self) -> &str {
-        match self {
-            Link::Link(link) => link.apub_class_name(),
-            Link::Mention(mention) => mention.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        match self {
-            Link::Link(link) => link.debug_apub(f, depth),
-            Link::Mention(mention) => mention.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        match self {
-            Link::Link(link) => link.debug_apub_members(f, depth),
-            Link::Mention(mention) => mention.debug_apub_members(f, depth),
-        }
-    }
-}
-
 pub struct BaseLink {
     pub id: Option<NyaIri>,
     pub href: Option<String>,
diff --git a/src/ap/trans/mod.rs b/src/ap/trans/mod.rs
index 6704a24..9c60166 100644
--- a/src/ap/trans/mod.rs
+++ b/src/ap/trans/mod.rs
@@ -104,6 +104,53 @@ macro_rules! ap_empty_child_impl {
     };
 }
 
+macro_rules! ap_super_enum {
+    ($name:ident, $memb1:ident($child1:ty), $($memb:ident($child:ty)),* $(,)?) => {
+        pub enum $name {
+            $memb1($child1),
+            $($memb($child),)*
+        }
+
+        impl $crate::ap::trans::ParseApub for $name {
+            fn parse_apub(obj: &$crate::ap::trans::RawObject) -> ::std::option::Option<Self> {
+                <$child1 as $crate::ap::trans::ParseApub>::parse_apub(obj).map(Self::$memb1)
+                    $(.or_else(|| {
+                        <$child as $crate::ap::trans::ParseApub>::parse_apub(obj).map(Self::$memb)
+                    }))*
+            }
+        }
+
+        impl $crate::ap::trans::DebugApub for $name {
+            fn apub_class_name(&self) -> &str {
+                match self {
+                    Self::$memb1(x) => $crate::ap::trans::DebugApub::apub_class_name(x),
+                    $(Self::$memb(x) => $crate::ap::trans::DebugApub::apub_class_name(x),)*
+                }
+            }
+
+            fn debug_apub(&self, f: &mut ::std::fmt::Formatter, depth: usize) -> ::std::fmt::Result {
+                match self {
+                    Self::$memb1(x) => $crate::ap::trans::DebugApub::debug_apub(x, f, depth),
+                    $(Self::$memb(x) => $crate::ap::trans::DebugApub::debug_apub(x, f, depth),)*
+                }
+            }
+
+            fn debug_apub_members(&self, f: &mut ::std::fmt::Formatter, depth: usize) -> ::std::fmt::Result {
+                match self {
+                    Self::$memb1(x) => $crate::ap::trans::DebugApub::debug_apub_members(x, f, depth),
+                    $(Self::$memb(x) => $crate::ap::trans::DebugApub::debug_apub_members(x, f, depth),)*
+                }
+            }
+        }
+
+        impl ::std::fmt::Debug for $name {
+            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+                $crate::ap::trans::DebugApub::debug_apub(self, f, 0)
+            }
+        }
+    }
+}
+
 macro_rules! ap_display_prop {
     ($this:expr, $f:ident, $name:ident, $depth:expr) => {
         $crate::ap::trans::display_prop($f, stringify!($name), $this.$name.as_ref(), $depth)
@@ -134,138 +181,31 @@ pub use link::*;
 mod object;
 pub use object::*;
 
-/// The top-level type for any kind of object or link
-pub enum ApDocument {
+// This is the top-level type for any kind of object or link
+ap_super_enum! {
+    ApDocument,
+
     Object(Object),
     Link(Link),
     Remote(String),
 }
 
-impl ParseApub for ApDocument {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        if let Some(s) = obj.as_value().and_then(|v| v.as_str()) {
-            Some(Self::Remote(String::from(s)))
-        } else {
-            Object::parse_apub(obj)
-                .map(Self::Object)
-                .or_else(|| Link::parse_apub(obj).map(Self::Link))
-        }
-    }
-}
+ap_super_enum! {
+    ImageOrLink,
 
-impl DebugApub for ApDocument {
-    fn apub_class_name(&self) -> &str {
-        use ApDocument::*;
-        match self {
-            Object(o) => o.apub_class_name(),
-            Link(l) => l.apub_class_name(),
-            Remote(_) => "<remote>",
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use ApDocument::*;
-        match self {
-            Object(o) => o.debug_apub(f, depth),
-            Link(l) => l.debug_apub(f, depth),
-            Remote(url) => writeln!(f, "{}<remote> => {url}", indent(depth)),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use ApDocument::*;
-        match self {
-            Object(o) => o.debug_apub_members(f, depth),
-            Link(l) => l.debug_apub_members(f, depth),
-            Remote(url) => writeln!(f, "{}<remote> => {url}", indent(depth)),
-        }
-    }
-}
-
-impl fmt::Debug for ApDocument {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        self.debug_apub(f, 0)
-    }
-}
-
-pub enum ImageOrLink {
     Link(Link),
     Image(Image),
 }
 
-impl ParseApub for ImageOrLink {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        Image::parse_apub(obj)
-            .map(Self::Image)
-            .or_else(|| Link::parse_apub(obj).map(Self::Link))
-    }
-}
+ap_super_enum! {
+    Collection,
 
-impl DebugApub for ImageOrLink {
-    fn apub_class_name(&self) -> &str {
-        match self {
-            ImageOrLink::Link(link) => link.apub_class_name(),
-            ImageOrLink::Image(image) => image.apub_class_name(),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        match self {
-            ImageOrLink::Link(link) => link.debug_apub_members(f, depth),
-            ImageOrLink::Image(image) => image.debug_apub_members(f, depth),
-        }
-    }
-}
-
-pub enum Collection {
     Base(BaseCollection),
     Ordered(OrderedCollection),
     Page(CollectionPage),
     OrderedPage(OrderedCollectionPage),
 }
 
-impl ParseApub for Collection {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        BaseCollection::parse_apub(obj)
-            .map(Self::Base)
-            .or_else(|| OrderedCollection::parse_apub(obj).map(Self::Ordered))
-            .or_else(|| CollectionPage::parse_apub(obj).map(Self::Page))
-            .or_else(|| OrderedCollectionPage::parse_apub(obj).map(Self::OrderedPage))
-    }
-}
-
-impl DebugApub for Collection {
-    fn apub_class_name(&self) -> &str {
-        use Collection::*;
-        match self {
-            Base(b) => b.apub_class_name(),
-            Ordered(o) => o.apub_class_name(),
-            Page(p) => p.apub_class_name(),
-            OrderedPage(o) => o.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Collection::*;
-        match self {
-            Base(b) => b.debug_apub(f, depth),
-            Ordered(o) => o.debug_apub(f, depth),
-            Page(p) => p.debug_apub(f, depth),
-            OrderedPage(o) => o.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Collection::*;
-        match self {
-            Base(b) => b.debug_apub_members(f, depth),
-            Ordered(o) => o.debug_apub_members(f, depth),
-            Page(p) => p.debug_apub_members(f, depth),
-            OrderedPage(o) => o.debug_apub_members(f, depth),
-        }
-    }
-}
-
 pub struct BaseCollection {
     _super: AbstractObject,
     pub total_items: Option<u32>,
@@ -377,84 +317,20 @@ impl DebugApub for OrderedCollectionPage {
     }
 }
 
-pub enum CollectionOrLink {
+ap_super_enum! {
+    CollectionOrLink,
+
     Collection(Collection),
     Link(BaseLink),
 }
 
-impl ParseApub for CollectionOrLink {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        Collection::parse_apub(obj)
-            .map(Self::Collection)
-            .or_else(|| BaseLink::parse_apub(obj).map(Self::Link))
-    }
-}
+ap_super_enum! {
+    CollectionPageOrLink,
 
-impl DebugApub for CollectionOrLink {
-    fn apub_class_name(&self) -> &str {
-        use CollectionOrLink::*;
-        match self {
-            Collection(c) => c.apub_class_name(),
-            Link(l) => l.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use CollectionOrLink::*;
-        match self {
-            Collection(c) => c.debug_apub(f, depth),
-            Link(l) => l.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use CollectionOrLink::*;
-        match self {
-            Collection(c) => c.debug_apub_members(f, depth),
-            Link(l) => l.debug_apub_members(f, depth),
-        }
-    }
-}
-
-pub enum CollectionPageOrLink {
     CollectionPage(CollectionPage),
     Link(BaseLink),
 }
 
-impl ParseApub for CollectionPageOrLink {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        CollectionPage::parse_apub(obj)
-            .map(Self::CollectionPage)
-            .or_else(|| BaseLink::parse_apub(obj).map(Self::Link))
-    }
-}
-
-impl DebugApub for CollectionPageOrLink {
-    fn apub_class_name(&self) -> &str {
-        use CollectionPageOrLink::*;
-        match self {
-            CollectionPage(c) => c.apub_class_name(),
-            Link(l) => l.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use CollectionPageOrLink::*;
-        match self {
-            CollectionPage(c) => c.debug_apub(f, depth),
-            Link(l) => l.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use CollectionPageOrLink::*;
-        match self {
-            CollectionPage(c) => c.debug_apub_members(f, depth),
-            Link(l) => l.debug_apub_members(f, depth),
-        }
-    }
-}
-
 impl ParseApub for IriBuf {
     fn parse_apub(obj: &RawObject) -> Option<Self> {
         obj.as_iri().map(|iri| iri.to_owned())
diff --git a/src/ap/trans/object.rs b/src/ap/trans/object.rs
index a296057..ca79e20 100644
--- a/src/ap/trans/object.rs
+++ b/src/ap/trans/object.rs
@@ -14,7 +14,8 @@ use crate::util::xsd;
 // does not introduce any new properties, we simplify the class hierarchy by
 // making all of the ones mentioned above direct subclasses of Object.
 
-pub enum Object {
+ap_super_enum! {
+    Object,
     Activity(activity::Activity),
     Actor(actor::Actor),
     Article(Article),
@@ -30,101 +31,9 @@ pub enum Object {
     Tombstone(Tombstone),
     Video(Video),
     Collection(Collection),
-
-    // ActivityPub draft, used by Mastodon
     Emoji(Emoji),
 }
 
-impl ParseApub for Object {
-    fn parse_apub(obj: &RawObject) -> Option<Self> {
-        activity::Activity::parse_apub(obj)
-            .map(Self::Activity)
-            .or_else(|| actor::Actor::parse_apub(obj).map(Self::Actor))
-            .or_else(|| Article::parse_apub(obj).map(Self::Article))
-            .or_else(|| Audio::parse_apub(obj).map(Self::Audio))
-            .or_else(|| Document::parse_apub(obj).map(Self::Document))
-            .or_else(|| Event::parse_apub(obj).map(Self::Event))
-            .or_else(|| Image::parse_apub(obj).map(Self::Image))
-            .or_else(|| Note::parse_apub(obj).map(Self::Note))
-            .or_else(|| Page::parse_apub(obj).map(Self::Page))
-            .or_else(|| Place::parse_apub(obj).map(Self::Place))
-            .or_else(|| Profile::parse_apub(obj).map(Self::Profile))
-            .or_else(|| Relationship::parse_apub(obj).map(Self::Relationship))
-            .or_else(|| Tombstone::parse_apub(obj).map(Self::Tombstone))
-            .or_else(|| Video::parse_apub(obj).map(Self::Video))
-            .or_else(|| Collection::parse_apub(obj).map(Self::Collection))
-            .or_else(|| Emoji::parse_apub(obj).map(Self::Emoji))
-    }
-}
-
-impl DebugApub for Object {
-    fn apub_class_name(&self) -> &str {
-        use Object::*;
-        match self {
-            Activity(a) => a.apub_class_name(),
-            Actor(a) => a.apub_class_name(),
-            Article(a) => a.apub_class_name(),
-            Audio(a) => a.apub_class_name(),
-            Document(d) => d.apub_class_name(),
-            Event(e) => e.apub_class_name(),
-            Image(i) => i.apub_class_name(),
-            Note(n) => n.apub_class_name(),
-            Page(p) => p.apub_class_name(),
-            Place(p) => p.apub_class_name(),
-            Profile(p) => p.apub_class_name(),
-            Relationship(r) => r.apub_class_name(),
-            Tombstone(t) => t.apub_class_name(),
-            Video(v) => v.apub_class_name(),
-            Collection(c) => c.apub_class_name(),
-            Emoji(e) => e.apub_class_name(),
-        }
-    }
-
-    fn debug_apub(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Object::*;
-        match self {
-            Activity(a) => a.debug_apub(f, depth),
-            Actor(a) => a.debug_apub(f, depth),
-            Article(a) => a.debug_apub(f, depth),
-            Audio(a) => a.debug_apub(f, depth),
-            Document(d) => d.debug_apub(f, depth),
-            Event(e) => e.debug_apub(f, depth),
-            Image(i) => i.debug_apub(f, depth),
-            Note(n) => n.debug_apub(f, depth),
-            Page(p) => p.debug_apub(f, depth),
-            Place(p) => p.debug_apub(f, depth),
-            Profile(p) => p.debug_apub(f, depth),
-            Relationship(r) => r.debug_apub(f, depth),
-            Tombstone(t) => t.debug_apub(f, depth),
-            Video(v) => v.debug_apub(f, depth),
-            Collection(c) => c.debug_apub(f, depth),
-            Emoji(e) => e.debug_apub(f, depth),
-        }
-    }
-
-    fn debug_apub_members(&self, f: &mut fmt::Formatter, depth: usize) -> fmt::Result {
-        use Object::*;
-        match self {
-            Activity(a) => a.debug_apub_members(f, depth),
-            Actor(a) => a.debug_apub_members(f, depth),
-            Article(a) => a.debug_apub_members(f, depth),
-            Audio(a) => a.debug_apub_members(f, depth),
-            Document(d) => d.debug_apub_members(f, depth),
-            Event(e) => e.debug_apub_members(f, depth),
-            Image(i) => i.debug_apub_members(f, depth),
-            Note(n) => n.debug_apub_members(f, depth),
-            Page(p) => p.debug_apub_members(f, depth),
-            Place(p) => p.debug_apub_members(f, depth),
-            Profile(p) => p.debug_apub_members(f, depth),
-            Relationship(r) => r.debug_apub_members(f, depth),
-            Tombstone(t) => t.debug_apub_members(f, depth),
-            Video(v) => v.debug_apub_members(f, depth),
-            Collection(c) => c.debug_apub_members(f, depth),
-            Emoji(e) => e.debug_apub_members(f, depth),
-        }
-    }
-}
-
 pub struct AbstractObject {
     pub id: Option<NyaIri>,
     pub attachment: Vec<ApDocument>,