diff --git a/src/services/core/tx.rs b/src/services/core/tx.rs
index 709aae2..5be276a 100644
--- a/src/services/core/tx.rs
+++ b/src/services/core/tx.rs
@@ -1,6 +1,6 @@
 use super::classes::OperationDomain;
 use crate::services::core::classes::Ref;
-use crate::services::event::{Class, Event, HasId, QueryClass};
+use crate::services::event::{Class, Event, HasId};
 use crate::services::transactor::tx::Doc;
 use derive_builder::Builder;
 use serde::{Deserialize, Deserializer, Serialize};
@@ -85,12 +85,9 @@ impl<T> HasId for TxWorkspaceEvent<T> {
     }
 }
 
-impl<T: Class> Event for TxWorkspaceEvent<T> {
+impl<T: Debug> Event for TxWorkspaceEvent<T> {
     fn matches(value: &Value) -> bool {
-        if value.get("_class").and_then(|v| v.as_str()) != Some(Self::CLASS) {
-            return false;
-        }
-        value.get("objectClass").and_then(|v| v.as_str()) == Some(T::CLASS)
+        value.get("_class").and_then(|v| v.as_str()) == Some(Self::CLASS)
     }
 }
 
@@ -107,12 +104,9 @@ impl<T: Debug> Class for TxDomainEvent<T> {
     const CLASS: &'static str = crate::services::core::class::TxDomainEvent;
 }
 
-impl<T: QueryClass + Class> Event for TxDomainEvent<T> {
+impl<T: Debug> Event for TxDomainEvent<T> {
     fn matches(value: &Value) -> bool {
-        if value.get("_class").and_then(|v| v.as_str()) != Some(Self::CLASS) {
-            return false;
-        }
-        value.get("objectClass").and_then(|v| v.as_str()) == Some(T::CLASS)
+        value.get("_class").and_then(|v| v.as_str()) == Some(Self::CLASS)
     }
 }
 
@@ -224,36 +218,29 @@ impl<C: Class> Event for TxUpdateDoc<C> {
 
 #[derive(Clone, Debug, Serialize, Deserialize, Builder)]
 #[serde(rename_all = "camelCase")]
-pub struct TxRemoveDoc<C> {
+pub struct TxRemoveDoc {
     #[serde(flatten)]
     pub txcud: TxCUD,
-
-    #[serde(skip)]
-    #[builder(setter(skip), default)]
-    pub(crate) _phantom: PhantomData<C>,
 }
 
-impl<C: Clone> TxRemoveDoc<C> {
-    pub fn builder() -> TxRemoveDocBuilder<C> {
+impl TxRemoveDoc {
+    pub fn builder() -> TxRemoveDocBuilder {
         TxRemoveDocBuilder::default()
     }
 }
 
-impl<C: Debug> Class for TxRemoveDoc<C> {
+impl Class for TxRemoveDoc {
     const CLASS: &'static str = crate::services::core::class::TxRemoveDoc;
 }
 
-impl<C> HasId for TxRemoveDoc<C> {
+impl HasId for TxRemoveDoc {
     fn id(&self) -> &str {
         &self.txcud.object_id
     }
 }
 
-impl<C: Class> Event for TxRemoveDoc<C> {
+impl Event for TxRemoveDoc {
     fn matches(value: &Value) -> bool {
-        if value.get("_class").and_then(|v| v.as_str()) != Some(Self::CLASS) {
-            return false;
-        }
-        value.get("objectClass").and_then(|v| v.as_str()) == Some(C::CLASS)
+        value.get("_class").and_then(|v| v.as_str()) == Some(Self::CLASS)
     }
 }
diff --git a/src/services/transactor/backend/http.rs b/src/services/transactor/backend/http.rs
index ca27a9b..8363348 100644
--- a/src/services/transactor/backend/http.rs
+++ b/src/services/transactor/backend/http.rs
@@ -50,15 +50,16 @@ impl HttpBackend {
         params: impl IntoIterator<Item = (String, Value)>,
     ) -> Result<T> {
         let mut url = self.base().join(path)?;
-        let mut qp = url.query_pairs_mut();
-        for (name, value) in params {
-            if let Value::String(string) = &value {
-                qp.append_pair(&name, string);
-            } else {
-                qp.append_pair(&name, &value.to_string());
+        {
+            let mut qp = url.query_pairs_mut();
+            for (name, value) in params {
+                if let Value::String(string) = &value {
+                    qp.append_pair(&name, string);
+                } else {
+                    qp.append_pair(&name, &value.to_string());
+                }
             }
         }
-        drop(qp);
 
         <crate::services::HttpClient as JsonClient>::get(&self.inner.client, self, url).await
     }
diff --git a/src/services/transactor/comm/message.rs b/src/services/transactor/comm/message.rs
index ef74314..cb16fa6 100644
--- a/src/services/transactor/comm/message.rs
+++ b/src/services/transactor/comm/message.rs
@@ -49,7 +49,7 @@ pub type MessageExtra = HashMap<String, json::Value>;
 #[serde(rename_all = "lowercase")]
 pub enum MessageType {
     #[default]
-    Message,
+    Text,
     Activity,
 }
 
diff --git a/src/services/transactor/document.rs b/src/services/transactor/document.rs
index 3ab6c64..f955976 100644
--- a/src/services/transactor/document.rs
+++ b/src/services/transactor/document.rs
@@ -17,7 +17,6 @@ use derive_builder::Builder;
 use serde::{Deserialize, Serialize, de::DeserializeOwned};
 use serde_json::{self as json, Value};
 use std::collections::HashMap;
-use std::marker::PhantomData;
 use std::sync::LazyLock;
 use std::sync::atomic::AtomicUsize;
 
@@ -30,7 +29,6 @@ use crate::services::core::classes::{Ref, Timestamp};
 use crate::services::core::ser::Data;
 use crate::services::core::tx::{Tx, TxCUD, TxCreateDoc, TxRemoveDoc};
 use crate::services::core::{Account, FindResult, PersonId};
-use crate::services::event::Class;
 use crate::services::transactor::backend::Backend;
 use crate::services::transactor::methods::Method;
 use crate::{Error, Result};
@@ -55,10 +53,13 @@ pub(crate) fn generate_object_id() -> Ref {
 }
 
 #[derive(Default, Debug, derive_builder::Builder, Clone)]
-pub struct CreateDocument<C> {
+pub struct CreateDocument<C: Serialize> {
     #[builder(setter(into), default = generate_object_id())]
     object_id: Ref,
 
+    #[builder(setter(into))]
+    object_class: String,
+
     #[builder(setter(into), default = Utc::now())]
     modified_on: Timestamp,
 
@@ -77,13 +78,13 @@ pub struct CreateDocument<C> {
     attributes: C,
 }
 
-impl<C: Clone> CreateDocument<C> {
+impl<C: Clone + Serialize> CreateDocument<C> {
     pub fn builder() -> CreateDocumentBuilder<C> {
         CreateDocumentBuilder::default()
     }
 }
 
-impl<C: Class + Serialize> Transaction for CreateDocument<C> {
+impl<C: Serialize> Transaction for CreateDocument<C> {
     fn to_value(self) -> Result<Value> {
         let doc = TxCreateDoc {
             txcud: TxCUD {
@@ -103,7 +104,7 @@ impl<C: Class + Serialize> Transaction for CreateDocument<C> {
                     object_space: self.object_space,
                 },
                 object_id: self.object_id,
-                object_class: C::CLASS.into(),
+                object_class: self.object_class,
                 attached_to: None,
                 attached_to_class: None,
                 collection: None,
@@ -117,10 +118,13 @@ impl<C: Class + Serialize> Transaction for CreateDocument<C> {
 }
 
 #[derive(Default, Debug, derive_builder::Builder, Clone, Serialize, Deserialize)]
-pub struct RemoveDocument<C> {
+pub struct RemoveDocument {
     #[builder(setter(into))]
     object_id: Ref,
 
+    #[builder(setter(into))]
+    object_class: String,
+
     #[builder(setter(into), default)]
     modified_on: Option<Timestamp>,
 
@@ -135,21 +139,17 @@ pub struct RemoveDocument<C> {
 
     #[builder(setter(into))]
     object_space: String,
-
-    #[serde(skip)]
-    #[builder(setter(skip), default)]
-    _phantom: PhantomData<C>,
 }
 
-impl<C: Clone> RemoveDocument<C> {
-    pub fn builder() -> RemoveDocumentBuilder<C> {
+impl RemoveDocument {
+    pub fn builder() -> RemoveDocumentBuilder {
         RemoveDocumentBuilder::default()
     }
 }
 
-impl<C: Class> Transaction for RemoveDocument<C> {
+impl Transaction for RemoveDocument {
     fn to_value(self) -> Result<Value> {
-        let doc = TxRemoveDoc::<C> {
+        let doc = TxRemoveDoc {
             txcud: TxCUD {
                 tx: Tx {
                     doc: Doc {
@@ -167,12 +167,11 @@ impl<C: Class> Transaction for RemoveDocument<C> {
                     object_space: self.object_space,
                 },
                 object_id: self.object_id,
-                object_class: C::CLASS.into(),
+                object_class: self.object_class,
                 attached_to: None,
                 attached_to_class: None,
                 collection: None,
             },
-            _phantom: Default::default(),
         };
 
         Ok(json::to_value(&doc)?)
@@ -319,14 +318,16 @@ impl FindOptionsBuilder {
 pub trait DocumentClient {
     fn get_account(&self) -> impl Future<Output = Result<Account>>;
 
-    fn find_all<C: Class + DeserializeOwned, Q: Serialize>(
+    fn find_all<Q: Serialize, C: DeserializeOwned>(
         &self,
+        class: &str,
         query: Q,
         options: &FindOptions,
     ) -> impl Future<Output = Result<FindResult<C>>>;
 
-    fn find_one<C: Class + DeserializeOwned, Q: Serialize>(
+    fn find_one<Q: Serialize, C: DeserializeOwned>(
         &self,
+        class: &str,
         query: Q,
         options: &FindOptions,
     ) -> impl Future<Output = Result<Option<C>>>;
@@ -337,8 +338,9 @@ impl<B: Backend> DocumentClient for super::TransactorClient<B> {
         self.get(Method::Account, []).await
     }
 
-    async fn find_all<C: Class + DeserializeOwned, Q: Serialize>(
+    async fn find_all<Q: Serialize, C: DeserializeOwned>(
         &self,
+        class: &str,
         query: Q,
         options: &FindOptions,
     ) -> Result<FindResult<C>> {
@@ -354,7 +356,7 @@ impl<B: Backend> DocumentClient for super::TransactorClient<B> {
             .get(
                 Method::FindAll,
                 [
-                    (String::from("class"), C::CLASS.into()),
+                    (String::from("class"), class.into()),
                     (String::from("query"), json::to_value(query)?),
                     (String::from("options"), json::to_value(options)?),
                 ],
@@ -387,7 +389,7 @@ impl<B: Backend> DocumentClient for super::TransactorClient<B> {
         for entry in result.value.iter_mut() {
             let object = entry.as_object_mut().unwrap();
             if !object.contains_key("_class") {
-                object.insert("_class".into(), Value::String(C::CLASS.into()));
+                object.insert("_class".into(), Value::String(class.into()));
             }
 
             for (k, v) in query.iter() {
@@ -427,13 +429,15 @@ impl<B: Backend> DocumentClient for super::TransactorClient<B> {
         Ok(result)
     }
 
-    async fn find_one<C: Class + DeserializeOwned, Q: Serialize>(
+    async fn find_one<Q: Serialize, C: DeserializeOwned>(
         &self,
+        class: &str,
         query: Q,
         options: &FindOptions,
     ) -> Result<Option<C>> {
         Ok(self
-            .find_all::<C, _>(
+            .find_all::<_, C>(
+                class,
                 query,
                 &FindOptions {
                     limit: Some(1),
diff --git a/src/services/transactor/mod.rs b/src/services/transactor/mod.rs
index a6d5c4c..4316951 100644
--- a/src/services/transactor/mod.rs
+++ b/src/services/transactor/mod.rs
@@ -121,7 +121,8 @@ impl<B: Backend> TransactorClient<B> {
     }
 
     pub async fn remove<T: DocT + Clone>(&self, doc: &T) -> Result<()> {
-        let tx = RemoveDocument::<T>::builder()
+        let tx = RemoveDocument::builder()
+            .object_class(&doc.doc().obj.class)
             .object_id(doc.id())
             .object_space(&doc.doc().space)
             .build()
diff --git a/src/services/transactor/subscription.rs b/src/services/transactor/subscription.rs
index 6840051..c4c20df 100644
--- a/src/services/transactor/subscription.rs
+++ b/src/services/transactor/subscription.rs
@@ -37,7 +37,7 @@ impl<C: Class> SubscribedQuery<C> {
 pub enum TxEvent<C> {
     Created(Box<TxCreateDoc<C>>),
     Updated(Box<TxUpdateDoc<C>>),
-    Deleted(Box<TxRemoveDoc<C>>),
+    Deleted(Box<TxRemoveDoc>),
 }
 
 impl<T> TxEvent<WithLookup<T>> {
@@ -53,10 +53,7 @@ impl<T> TxEvent<WithLookup<T>> {
                 retrieve: tx.retrieve,
                 _phantom: Default::default(),
             })),
-            TxEvent::Deleted(tx) => TxEvent::Deleted(Box::new(TxRemoveDoc {
-                txcud: tx.txcud,
-                _phantom: Default::default(),
-            })),
+            TxEvent::Deleted(tx) => TxEvent::Deleted(Box::new(TxRemoveDoc { txcud: tx.txcud })),
         }
     }
 }
@@ -74,8 +71,10 @@ impl<C: Class + DeserializeOwned + Send + Unpin + 'static> Stream for Subscribed
                     } else if TxUpdateDoc::<C>::matches(&value) {
                         let tx: TxUpdateDoc<C> = serde_json::from_value(value)?;
                         return Poll::Ready(Some(Ok(TxEvent::Updated(Box::new(tx)))));
-                    } else if TxRemoveDoc::<C>::matches(&value) {
-                        let tx: TxRemoveDoc<C> = serde_json::from_value(value)?;
+                    } else if TxRemoveDoc::matches(&value)
+                        && value.get("objectClass").and_then(|v| v.as_str()) == Some(C::CLASS)
+                    {
+                        let tx: TxRemoveDoc = serde_json::from_value(value)?;
                         return Poll::Ready(Some(Ok(TxEvent::Deleted(Box::new(tx)))));
                     }
 
@@ -120,7 +119,9 @@ pub(super) fn live_query<
 ) -> impl Stream<Item = Result<LiveQueryEvent<C>>> + Send {
     let client_clone = client.clone();
     let initial_fetch = async move {
-        let results = client_clone.find_all::<C, Q>(query, &options).await?;
+        let results = client_clone
+            .find_all::<Q, C>(C::CLASS, query, &options)
+            .await?;
         Ok(LiveQueryEvent::Initial(results.value))
     };