diff --git a/core/conversations/src/context.rs b/core/conversations/src/context.rs
index 0266aa1..a97b487 100644
--- a/core/conversations/src/context.rs
+++ b/core/conversations/src/context.rs
@@ -1,8 +1,8 @@
 use std::sync::Arc;
 use std::{cell::RefCell, rc::Rc};
 
-use crate::conversation::{Convo, GroupConvo, GroupV1Convo, IdentityProvider};
-use crate::ctx::{self, ClientCtx};
+use crate::conversation::{Convo, GroupConvo, IdentityProvider};
+use crate::ctx::ClientCtx;
 
 use crate::account::LogosAccount;
 use crate::{DeliveryService, RegistrationService};
@@ -10,7 +10,7 @@ use crate::{
     conversation::{Conversation, ConversationId, Id, PrivateV1Convo},
     errors::ChatError,
     inbox::Inbox,
-    inbox_v2::{GroupInitializer, InboxV2},
+    inbox_v2::InboxV2,
     proto::{EncryptedPayload, EnvelopeV1, Message},
     types::{AddressedEnvelope, ContentData},
 };
@@ -189,12 +189,10 @@ impl<DS: DeliveryService, RS: RegistrationService, CS: ChatStore + 'static> Cont
     // Decode bytes and send to protocol for processing.
     pub fn handle_payload(&mut self, payload: &[u8]) -> Result<Option<ContentData>, ChatError> {
         let env = EnvelopeV1::decode(payload)?;
-        let e2 = env.clone();
 
         // TODO: Impl Conversation hinting
         let convo_id = env.conversation_hint;
 
-        let a = self.pq_inbox.id();
         match convo_id {
             c if c == self.inbox.id() => self.dispatch_to_inbox(&env.payload),
             c if c == self.pq_inbox.id() => self.dispatch_to_inbox2(&env.payload),
@@ -283,6 +281,7 @@ impl<DS: DeliveryService, RS: RegistrationService, CS: ChatStore + 'static> Cont
         }
     }
 
+    #[allow(unused)] // Temporary until GroupIntegration is completed
     fn load_group_convo(
         &mut self,
         convo_id: ConversationId,
@@ -309,23 +308,9 @@ impl<DS: DeliveryService, RS: RegistrationService, CS: ChatStore + 'static> Cont
     }
 }
 
-impl<DS: DeliveryService, RS: RegistrationService, CS: ChatStore> GroupInitializer<DS, RS, CS>
-    for Context<DS, RS, CS>
-{
-    fn on_new_group_convo(
-        &self,
-        convo: impl crate::conversation::GroupConvo<DS, RS, CS>,
-    ) -> Result<(), ChatError> {
-        todo!()
-    }
-}
-
 #[cfg(test)]
 mod tests {
-    use std::{
-        any::Any,
-        ops::{Deref, DerefMut},
-    };
+    use std::ops::{Deref, DerefMut};
 
     use sqlite::{ChatStorage, StorageConfig};
     use storage::{ConversationStore, IdentityStore};
@@ -447,14 +432,14 @@ mod tests {
             .create_group_convo(&[raya_id.as_ref()])
             .unwrap();
 
-        let CONVO_ID = s_convo.id();
+        let convo_id = s_convo.id();
 
         // Raya can read this message because
         //   1) It was sent after add_members was committed, and
         //   2) LocalBroadcaster provides historical messages.
 
         clients[SARO]
-            .convo(CONVO_ID)
+            .convo(convo_id)
             .send_content(
                 &mut clients[SARO].client_ctx,
                 b"ok who broke the group chat again",
@@ -465,7 +450,7 @@ mod tests {
         process(&mut clients);
 
         clients[RAYA]
-            .convo(CONVO_ID)
+            .convo(convo_id)
             .send_content(
                 &mut clients[RAYA].client_ctx,
                 b"it was literally working five minutes ago",
@@ -481,7 +466,7 @@ mod tests {
 
         let pax_id = clients[PAX].account_id();
         clients[SARO]
-            .convo(CONVO_ID)
+            .convo(convo_id)
             .add_member(&mut clients[SARO].client_ctx, &[pax_id.as_ref()])
             .unwrap();
 
@@ -489,7 +474,7 @@ mod tests {
         process(&mut clients);
 
         clients[PAX]
-            .convo(CONVO_ID)
+            .convo(convo_id)
             .send_content(
                 &mut clients[PAX].client_ctx,
                 b"ngl the key rotation is cooked",
@@ -501,7 +486,7 @@ mod tests {
         process(&mut clients);
 
         clients[SARO]
-            .convo(CONVO_ID)
+            .convo(convo_id)
             .send_content(
                 &mut clients[SARO].client_ctx,
                 b"bro we literally just added you to the group ",
diff --git a/core/conversations/src/conversation.rs b/core/conversations/src/conversation.rs
index c172e97..6c6685f 100644
--- a/core/conversations/src/conversation.rs
+++ b/core/conversations/src/conversation.rs
@@ -12,7 +12,7 @@ use std::sync::Arc;
 use storage::{ChatStore, ConversationKind, ConversationStore, RatchetStore};
 
 pub use crate::errors::ChatError;
-pub use group_v1::{GroupV1Convo, IdentityProvider, LogosMlsProvider};
+pub use group_v1::{GroupV1Convo, IdentityProvider};
 pub use privatev1::PrivateV1Convo;
 
 pub type ConversationId<'a> = &'a str;
diff --git a/core/conversations/src/conversation/group_v1.rs b/core/conversations/src/conversation/group_v1.rs
index 9bd35a6..85c37e4 100644
--- a/core/conversations/src/conversation/group_v1.rs
+++ b/core/conversations/src/conversation/group_v1.rs
@@ -3,17 +3,14 @@ use std::rc::Rc;
 
 use blake2::{Blake2b, Digest, digest::consts::U6};
 use crypto::Ed25519VerifyingKey;
+use openmls::prelude::tls_codec::Deserialize;
 use openmls::prelude::*;
-use openmls::{prelude::tls_codec::Deserialize, treesync::RatchetTree};
 use openmls_libcrux_crypto::Provider as LibcruxProvider;
 
-use openmls::prelude::MlsMessageBodyIn;
 use openmls_traits::signatures::Signer as OpenMlsSigner;
-use openmls_traits::storage::StorageProvider;
-use prost::Message;
 
 use crate::{
-    AddressedEnvelope, DeliveryService, RegistrationService,
+    DeliveryService, RegistrationService,
     conversation::{ChatError, ConversationId, Convo, GroupConvo, Id},
     ctx::ClientCtx,
     types::{AddressedEncryptedPayload, ContentData},
@@ -49,13 +46,6 @@ pub trait MlsCtx {
     fn get_credential(&self) -> CredentialWithKey;
 }
 
-pub trait LogosMlsProvider: OpenMlsProvider {}
-
-pub trait GroupMlsStorageV1 {
-    fn save_state(&self, state: &[u8]);
-    fn load_state(&self) -> Vec<u8>;
-}
-
 pub struct GroupV1Convo<Ctx: MlsCtx> {
     ctx: Rc<RefCell<Ctx>>,
     pub(crate) mls_group: MlsGroup, // TODO: (!) Fix Visibility
@@ -150,12 +140,7 @@ impl<Ctx: MlsCtx> GroupV1Convo<Ctx> {
             return Err(ChatError::NoConvo("mls group not found".into()));
         };
 
-        // println!(
-        //     "\n>>> {}.  {:?}",
-        //     ctx.borrow().ident().friendly_name(),
-        //     mls_group
-        // );
-        Self::subscribe(ds, &convo_id);
+        Self::subscribe(ds, &convo_id)?;
 
         Ok(GroupV1Convo {
             ctx,
@@ -173,10 +158,6 @@ impl<Ctx: MlsCtx> GroupV1Convo<Ctx> {
         Ok(())
     }
 
-    pub fn ratchet_tree(&self) -> RatchetTree {
-        self.mls_group.export_ratchet_tree()
-    }
-
     fn mls_create_config() -> MlsGroupCreateConfig {
         MlsGroupCreateConfig::builder()
             .ciphersuite(Ciphersuite::MLS_256_XWING_CHACHA20POLY1305_SHA256_Ed25519)
@@ -234,8 +215,6 @@ impl<Ctx: MlsCtx> GroupV1Convo<Ctx> {
         )?; //TODO: P3 - Hardcoded Protocol Version
         Ok(keypkg)
     }
-
-    fn save_state<CS: ChatStore>(&self, store: &CS) {}
 }
 
 impl<Ctx: MlsCtx> Id for GroupV1Convo<Ctx> {
@@ -400,34 +379,3 @@ impl<Ctx: MlsCtx, DS: DeliveryService, RS: RegistrationService, CS: ChatStore>
             .map_err(|e| ChatError::Generic(format!("Publish: {e}")))
     }
 }
-
-use prost::Oneof;
-
-#[derive(Clone, PartialEq, Message)]
-pub struct GroupV1Frame {
-    #[prost(string, tag = "1")]
-    pub sender: String,
-
-    #[prost(uint64, tag = "2")]
-    pub timestamp: u64,
-
-    // oneof field — optional, holds one variant
-    #[prost(oneof = "FrameType", tags = "3, 4, 5")]
-    pub payload: Option<FrameType>,
-}
-
-#[derive(Clone, PartialEq, Oneof)]
-pub enum FrameType {
-    #[prost(bytes, tag = "3")]
-    Welcome(Vec<u8>),
-}
-
-#[cfg(test)]
-mod tests {
-    use crypto::PrivateKey;
-
-    use super::*;
-
-    #[test]
-    fn test_mls() {}
-}
diff --git a/core/conversations/src/ctx.rs b/core/conversations/src/ctx.rs
index f7e3d10..8264ff0 100644
--- a/core/conversations/src/ctx.rs
+++ b/core/conversations/src/ctx.rs
@@ -1,5 +1,5 @@
 use std::{
-    cell::{Ref, RefCell, RefMut},
+    cell::{RefCell, RefMut},
     rc::Rc,
 };
 
@@ -30,7 +30,7 @@ impl<'a, DS: DeliveryService, RS: RegistrationService, CS: ChatStore> ClientCtx<
         &mut self.contact_registry
     }
 
-    pub fn store(&'a self) -> RefMut<CS> {
+    pub fn store(&'a self) -> RefMut<'a, CS> {
         self.convo_store.borrow_mut()
     }
 }
diff --git a/core/conversations/src/external_traits.rs b/core/conversations/src/external_traits.rs
index 8f6f3fa..c5422c9 100644
--- a/core/conversations/src/external_traits.rs
+++ b/core/conversations/src/external_traits.rs
@@ -1,27 +1,7 @@
-use std::{cell::RefCell, fmt::Debug, fmt::Display, rc::Rc};
+use std::{fmt::Debug, fmt::Display};
 
 use crate::types::AddressedEnvelope;
 
-pub struct Service<T> {
-    inner: Rc<RefCell<T>>,
-}
-
-impl<T> Service<T> {
-    pub fn new(t: T) -> Self {
-        Self {
-            inner: Rc::new(RefCell::new(t)),
-        }
-    }
-
-    fn with<F, R>(&self, f: F) -> R
-    where
-        F: FnOnce(&T) -> R,
-    {
-        let inner = self.inner.borrow();
-        f(&inner)
-    }
-}
-
 pub trait DeliveryService {
     type Error: Display;
     fn publish(&mut self, envelope: AddressedEnvelope) -> Result<(), Self::Error>;
diff --git a/core/conversations/src/inbox_v2.rs b/core/conversations/src/inbox_v2.rs
index b94bffa..2f492bc 100644
--- a/core/conversations/src/inbox_v2.rs
+++ b/core/conversations/src/inbox_v2.rs
@@ -1,22 +1,17 @@
-use std::any::Any;
 use std::cell::{Ref, RefCell};
-use std::collections::HashMap;
 use std::rc::Rc;
 
 use chat_proto::logoschat::envelope::EnvelopeV1;
 use crypto::Ed25519SigningKey;
 use crypto::Ed25519VerifyingKey;
-use crypto::PublicKey;
 use openmls::prelude::tls_codec::Serialize;
-use openmls::{prelude::*, treesync::RatchetTree};
+use openmls::prelude::*;
 use openmls_libcrux_crypto::Provider as LibcruxProvider;
 use openmls_traits::signatures::Signer;
-use openmls_traits::storage::StorageProvider;
 use prost::{Message, Oneof};
 use std::sync::atomic::{AtomicUsize, Ordering};
 use storage::ChatStore;
 use storage::ConversationMeta;
-use storage::ConversationStore;
 
 use crate::AddressedEnvelope;
 use crate::ChatError;
@@ -26,9 +21,7 @@ use crate::conversation::GroupConvo;
 use crate::conversation::group_v1::{MlsCtx, MlsInitializer};
 use crate::conversation::{GroupV1Convo, IdentityProvider};
 use crate::ctx::ClientCtx;
-use crate::types::AddressedEncryptedPayload;
-use crate::utils::hash_size::Testing;
-use crate::utils::{blake2b_hex, hash_size, hex_trunc};
+use crate::utils::{blake2b_hex, hash_size};
 
 static ACCOUNT_COUNTER: AtomicUsize = AtomicUsize::new(0);
 
@@ -119,15 +112,10 @@ impl<Init: MlsInitializer + Clone> MlsCtx for MlsContext<Init> {
     }
 }
 
-pub trait GroupInitializer<DS: DeliveryService, RS: RegistrationService, CS: ChatStore> {
-    fn on_new_group_convo(&self, convo: impl GroupConvo<DS, RS, CS>) -> Result<(), ChatError>;
-}
-
 #[derive(Clone)]
 pub struct InboxV2 {
     pub account: LogosAccount, // TODO: (!) don't expose account
     mls_provider: Rc<RefCell<LibcruxProvider>>,
-    convo_map: HashMap<String, Vec<u8>>,
 }
 
 impl<'a> InboxV2 {
@@ -137,7 +125,6 @@ impl<'a> InboxV2 {
         Self {
             account,
             mls_provider,
-            convo_map: HashMap::new(),
         }
     }
 
@@ -219,7 +206,7 @@ impl<'a> InboxV2 {
         ctx: &mut ClientCtx<DS, RS, CS>,
         invite: GroupV1HeavyInvite,
     ) -> Result<(), ChatError> {
-        let (msg_in, rest) = MlsMessageIn::tls_deserialize_bytes(invite.welcome_bytes.as_slice())?;
+        let (msg_in, _rest) = MlsMessageIn::tls_deserialize_bytes(invite.welcome_bytes.as_slice())?;
 
         let MlsMessageBodyIn::Welcome(welcome) = msg_in.extract() else {
             return Err(ChatError::ProtocolExpectation(
@@ -264,21 +251,6 @@ impl<'a> InboxV2 {
         blake2b_hex::<hash_size::Testing>(&["InboxV2|", "conversation_id|", account_id])
     }
 
-    fn dbg_mls_store(ctx: &MlsContext<InboxV2>, prefix: impl AsRef<str>) {
-        let pa = ctx.provider.borrow();
-        let data = &*pa.storage().values.read().unwrap();
-
-        println!(":::MlsProviderStore::: -- {}", prefix.as_ref());
-        for key in data.keys() {
-            let val = match data.get(key) {
-                Some(x) => format!("{} ({})", hex_trunc(x), blake2b_hex::<Testing>(&[x])),
-                None => "None".into(),
-            };
-
-            println!(".   {:?}:   {:?}", hex_trunc(key), val)
-        }
-    }
-
     pub fn load_mls_convo<DS: DeliveryService, RS: RegistrationService, CS: ChatStore>(
         &self,
         ctx: &mut ClientCtx<DS, RS, CS>,
@@ -343,41 +315,3 @@ pub struct GroupV1HeavyInvite {
     #[prost(bytes, tag = "1")]
     pub welcome_bytes: Vec<u8>,
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use openmls_traits::signatures::Signer;
-
-    struct Account {
-        name: String,
-        signing_key: crypto::Ed25519SigningKey,
-    }
-
-    impl Signer for Account {
-        fn sign(&self, payload: &[u8]) -> Result<Vec<u8>, openmls_traits::signatures::SignerError> {
-            Ok(self.signing_key.sign(payload).as_ref().to_vec())
-        }
-
-        fn signature_scheme(&self) -> SignatureScheme {
-            SignatureScheme::ED25519
-        }
-    }
-
-    impl IdentityProvider for Account {
-        fn friendly_name(&self) -> String {
-            self.name.clone()
-        }
-
-        fn public_key(&self) -> Ed25519VerifyingKey {
-            todo!()
-        }
-    }
-
-    #[test]
-    fn dev() {
-        // let inbox = InboxV2::new(...);
-        // let group = inbox.create_group_v1().unwrap();
-        // let bytes = group.send("hello".as_bytes());
-    }
-}
diff --git a/core/conversations/src/test_utils.rs b/core/conversations/src/test_utils.rs
index 7384230..2f23da6 100644
--- a/core/conversations/src/test_utils.rs
+++ b/core/conversations/src/test_utils.rs
@@ -2,23 +2,18 @@ use std::{
     cell::RefCell,
     collections::{HashMap, HashSet, VecDeque},
     fmt::Debug,
-    io::Cursor,
     rc::Rc,
     sync::{Arc, Mutex},
 };
 
-use storage::{ChatStore, ConversationMeta, ConversationStore, IdentityStore};
+use storage::{ConversationMeta, ConversationStore, IdentityStore};
 use storage::{EphemeralKeyStore, RatchetStore};
 
 use crate::{
     AddressedEnvelope, DeliveryService, RegistrationService,
-    utils::{blake2b_hex, hash_size::Testing, hex_trunc},
+    utils::{blake2b_hex, hash_size::Testing},
 };
 
-type Callback = Rc<dyn Fn(String, &Vec<u8>)>;
-
-type Filter = Box<dyn Fn(&Vec<u8>) -> bool>;
-
 #[derive(Debug)]
 struct BroadcasterShared<T> {
     /// Per-address message queue; all published messages are appended here.
@@ -64,7 +59,7 @@ impl LocalBroadcaster {
     /// own independent cursor — it starts from the beginning of each address
     /// queue regardless of what any other consumer has already processed.
     pub fn new_consumer(&self) -> Self {
-        let mut inner = self.shared.clone();
+        let inner = self.shared.clone();
         let cursor = inner.borrow().tail();
         Self {
             shared: inner,
@@ -94,10 +89,6 @@ impl LocalBroadcaster {
         }
     }
 
-    pub fn clear(&mut self) {
-        self.cursor = self.shared.borrow().tail();
-    }
-
     fn msg_id(msg: &AddressedEnvelope) -> String {
         blake2b_hex::<Testing>(&[msg.data.as_slice()])
     }
@@ -183,14 +174,12 @@ impl RegistrationService for EphemeralRegistry {
 
 pub struct MemStore {
     convos: HashMap<String, ConversationMeta>,
-    state: HashMap<String, Vec<u8>>,
 }
 
 impl MemStore {
     pub fn new() -> Self {
         Self {
             convos: HashMap::new(),
-            state: HashMap::new(),
         }
     }
 }
@@ -213,7 +202,7 @@ impl ConversationStore for MemStore {
         Ok(a)
     }
 
-    fn remove_conversation(&mut self, local_convo_id: &str) -> Result<(), storage::StorageError> {
+    fn remove_conversation(&mut self, _local_convo_id: &str) -> Result<(), storage::StorageError> {
         todo!()
     }
 
@@ -232,7 +221,7 @@ impl IdentityStore for MemStore {
         Ok(None)
     }
 
-    fn save_identity(&mut self, identity: &crypto::Identity) -> Result<(), storage::StorageError> {
+    fn save_identity(&mut self, _identity: &crypto::Identity) -> Result<(), storage::StorageError> {
         // todo!()
         Ok(())
     }
@@ -241,20 +230,20 @@ impl IdentityStore for MemStore {
 impl EphemeralKeyStore for MemStore {
     fn save_ephemeral_key(
         &mut self,
-        public_key_hex: &str,
-        private_key: &crypto::PrivateKey,
+        _public_key_hex: &str,
+        _private_key: &crypto::PrivateKey,
     ) -> Result<(), storage::StorageError> {
         todo!()
     }
 
     fn load_ephemeral_key(
         &self,
-        public_key_hex: &str,
+        _public_key_hex: &str,
     ) -> Result<Option<crypto::PrivateKey>, storage::StorageError> {
         todo!()
     }
 
-    fn remove_ephemeral_key(&mut self, public_key_hex: &str) -> Result<(), storage::StorageError> {
+    fn remove_ephemeral_key(&mut self, _public_key_hex: &str) -> Result<(), storage::StorageError> {
         todo!()
     }
 }
@@ -262,38 +251,41 @@ impl EphemeralKeyStore for MemStore {
 impl RatchetStore for MemStore {
     fn save_ratchet_state(
         &mut self,
-        conversation_id: &str,
-        state: &storage::RatchetStateRecord,
-        skipped_keys: &[storage::SkippedKeyRecord],
+        _conversation_id: &str,
+        _state: &storage::RatchetStateRecord,
+        _skipped_keys: &[storage::SkippedKeyRecord],
     ) -> Result<(), storage::StorageError> {
         todo!()
     }
 
     fn load_ratchet_state(
         &self,
-        conversation_id: &str,
+        _conversation_id: &str,
     ) -> Result<storage::RatchetStateRecord, storage::StorageError> {
         todo!()
     }
 
     fn load_skipped_keys(
         &self,
-        conversation_id: &str,
+        _conversation_id: &str,
     ) -> Result<Vec<storage::SkippedKeyRecord>, storage::StorageError> {
         todo!()
     }
 
-    fn has_ratchet_state(&self, conversation_id: &str) -> Result<bool, storage::StorageError> {
+    fn has_ratchet_state(&self, _conversation_id: &str) -> Result<bool, storage::StorageError> {
         todo!()
     }
 
-    fn delete_ratchet_state(&mut self, conversation_id: &str) -> Result<(), storage::StorageError> {
+    fn delete_ratchet_state(
+        &mut self,
+        _conversation_id: &str,
+    ) -> Result<(), storage::StorageError> {
         todo!()
     }
 
     fn cleanup_old_skipped_keys(
         &mut self,
-        max_age_secs: i64,
+        _max_age_secs: i64,
     ) -> Result<usize, storage::StorageError> {
         todo!()
     }
diff --git a/core/conversations/src/types.rs b/core/conversations/src/types.rs
index b60ab84..b5b174b 100644
--- a/core/conversations/src/types.rs
+++ b/core/conversations/src/types.rs
@@ -60,7 +60,7 @@ pub struct ContentData {
 // Internal type Definitions
 
 // Used by Conversations to attach addresses to outbound encrypted payloads
-pub(crate) struct AddressedEncryptedPayload {
+pub struct AddressedEncryptedPayload {
     pub delivery_address: String,
     pub data: proto::EncryptedPayload,
 }
diff --git a/core/conversations/src/utils.rs b/core/conversations/src/utils.rs
index 4649c3d..3b51997 100644
--- a/core/conversations/src/utils.rs
+++ b/core/conversations/src/utils.rs
@@ -58,6 +58,8 @@ pub fn blake2b_hex<LEN: hash_size::HashLen>(components: &[impl AsRef<[u8]>]) ->
     hex::encode(output)
 }
 
+/// Shorten byte slices for testing and logging
+#[allow(unused)]
 pub fn hex_trunc(data: &[u8]) -> String {
     if data.len() <= 8 {
         hex::encode(data)
diff --git a/core/crypto/src/lib.rs b/core/crypto/src/lib.rs
index 754a37c..1759091 100644
--- a/core/crypto/src/lib.rs
+++ b/core/crypto/src/lib.rs
@@ -4,8 +4,6 @@ mod signatures;
 mod x3dh;
 mod xeddsa_sign;
 
-use thiserror::Error;
-
 pub use identity::Identity;
 pub use keys::{PrivateKey, PublicKey, SymmetricKey32};
 pub use signatures::{Ed25519SigningKey, Ed25519VerifyingKey};
diff --git a/core/sqlite/src/lib.rs b/core/sqlite/src/lib.rs
index 8382598..bb7ea3c 100644
--- a/core/sqlite/src/lib.rs
+++ b/core/sqlite/src/lib.rs
@@ -10,8 +10,8 @@ use std::collections::HashSet;
 use crypto::{Identity, PrivateKey};
 use rusqlite::{Transaction, params};
 use storage::{
-    ChatStore, ConversationKind, ConversationMeta, ConversationStore, EphemeralKeyStore,
-    IdentityStore, RatchetStateRecord, RatchetStore, SkippedKeyRecord, StorageError,
+    ConversationKind, ConversationMeta, ConversationStore, EphemeralKeyStore, IdentityStore,
+    RatchetStateRecord, RatchetStore, SkippedKeyRecord, StorageError,
 };
 use zeroize::Zeroize;