diff --git a/matrix_sdk_crypto/src/identities/device.rs b/matrix_sdk_crypto/src/identities/device.rs
index 377a7d45..f732cc19 100644
--- a/matrix_sdk_crypto/src/identities/device.rs
+++ b/matrix_sdk_crypto/src/identities/device.rs
@@ -42,7 +42,7 @@ use tracing::warn;
 use crate::{
     olm::{InboundGroupSession, PrivateCrossSigningIdentity, Session},
     store::{Changes, DeviceChanges},
-    OutgoingRequest, OutgoingRequests, OutgoingVerificationRequest,
+    OutgoingVerificationRequest,
 };
 #[cfg(test)]
 use crate::{OlmMachine, ReadOnlyAccount};
diff --git a/matrix_sdk_crypto/src/verification/machine.rs b/matrix_sdk_crypto/src/verification/machine.rs
index b0ebffe2..2a845bfd 100644
--- a/matrix_sdk_crypto/src/verification/machine.rs
+++ b/matrix_sdk_crypto/src/verification/machine.rs
@@ -21,7 +21,7 @@ use tracing::{info, trace, warn};
 use matrix_sdk_common::{
     events::{
         room::message::MessageEventContent, AnyMessageEvent, AnySyncMessageEvent, AnySyncRoomEvent,
-        AnyToDeviceEvent, AnyToDeviceEventContent,
+        AnyToDeviceEvent,
     },
     identifiers::{DeviceId, EventId, RoomId, UserId},
     locks::Mutex,
@@ -35,10 +35,9 @@ use super::{
 
 use crate::{
     olm::PrivateCrossSigningIdentity,
-    requests::{OutgoingRequest, ToDeviceRequest},
+    requests::OutgoingRequest,
     store::{CryptoStore, CryptoStoreError},
-    OutgoingRequests, OutgoingVerificationRequest, ReadOnlyAccount, ReadOnlyDevice,
-    RoomMessageRequest,
+    OutgoingVerificationRequest, ReadOnlyAccount, ReadOnlyDevice, RoomMessageRequest,
 };
 
 #[derive(Clone, Debug)]
diff --git a/matrix_sdk_crypto/src/verification/requests.rs b/matrix_sdk_crypto/src/verification/requests.rs
index c7f9d950..393c9fbc 100644
--- a/matrix_sdk_crypto/src/verification/requests.rs
+++ b/matrix_sdk_crypto/src/verification/requests.rs
@@ -31,10 +31,10 @@ use matrix_sdk_common::{
 use crate::{
     olm::{PrivateCrossSigningIdentity, ReadOnlyAccount},
     store::CryptoStore,
-    ReadOnlyDevice, Sas, UserIdentities, UserIdentity,
+    ReadOnlyDevice, Sas, UserIdentities,
 };
 
-use super::sas::{OutgoingContent, StartContent};
+use super::sas::OutgoingContent;
 
 const SUPPORTED_METHODS: &[VerificationMethod] = &[VerificationMethod::MSasV1];
 
@@ -321,11 +321,11 @@ impl RequestState<Ready> {
 
     fn start_sas(
         self,
-        store: Arc<Box<dyn CryptoStore>>,
-        account: ReadOnlyAccount,
-        private_identity: PrivateCrossSigningIdentity,
-        other_device: ReadOnlyDevice,
-        other_identity: Option<UserIdentities>,
+        _store: Arc<Box<dyn CryptoStore>>,
+        _account: ReadOnlyAccount,
+        _private_identity: PrivateCrossSigningIdentity,
+        _other_device: ReadOnlyDevice,
+        _other_identity: Option<UserIdentities>,
     ) -> (Sas, OutgoingContent) {
         todo!()
         // Sas::start_in_room(
diff --git a/matrix_sdk_crypto/src/verification/sas/helpers.rs b/matrix_sdk_crypto/src/verification/sas/helpers.rs
index fd6f4bca..db6eec84 100644
--- a/matrix_sdk_crypto/src/verification/sas/helpers.rs
+++ b/matrix_sdk_crypto/src/verification/sas/helpers.rs
@@ -25,14 +25,12 @@ use matrix_sdk_common::{
         key::verification::{
             cancel::CancelCode,
             mac::{MacEventContent, MacToDeviceEventContent},
-            start::StartToDeviceEventContent,
             Relation,
         },
-        AnyToDeviceEventContent, EventType, ToDeviceEvent,
+        AnyToDeviceEventContent, EventType,
     },
     identifiers::{DeviceId, DeviceKeyAlgorithm, DeviceKeyId, UserId},
     uuid::Uuid,
-    CanonicalJsonValue,
 };
 
 use crate::{
diff --git a/matrix_sdk_crypto/src/verification/sas/inner_sas.rs b/matrix_sdk_crypto/src/verification/sas/inner_sas.rs
index f10388b0..3b4dbfdf 100644
--- a/matrix_sdk_crypto/src/verification/sas/inner_sas.rs
+++ b/matrix_sdk_crypto/src/verification/sas/inner_sas.rs
@@ -18,19 +18,9 @@ use std::time::Instant;
 use std::sync::Arc;
 
 use matrix_sdk_common::{
-    events::{
-        key::verification::{
-            accept::AcceptToDeviceEventContent,
-            cancel::CancelCode,
-            mac::MacToDeviceEventContent,
-            start::{StartEventContent, StartToDeviceEventContent},
-        },
-        AnyMessageEvent, AnyMessageEventContent, AnySyncMessageEvent, AnyToDeviceEvent,
-        AnyToDeviceEventContent, MessageEvent, ToDeviceEvent,
-    },
+    events::{key::verification::cancel::CancelCode, AnyMessageEvent, AnyToDeviceEvent},
     identifiers::{EventId, RoomId, UserId},
 };
-use tracing::trace;
 
 use crate::{
     identities::{ReadOnlyDevice, UserIdentities},
@@ -96,13 +86,8 @@ impl InnerSas {
         content: impl Into<StartContent>,
         other_identity: Option<UserIdentities>,
     ) -> Result<InnerSas, CancelContent> {
-        match SasState::<Started>::from_start_event(
-            account,
-            other_device,
-            other_identity,
-            &sender,
-            content,
-        ) {
+        match SasState::<Started>::from_start_event(account, other_device, other_identity, content)
+        {
             Ok(s) => Ok(InnerSas::Started(s)),
             Err(s) => Err(s.as_content()),
         }
diff --git a/matrix_sdk_crypto/src/verification/sas/mod.rs b/matrix_sdk_crypto/src/verification/sas/mod.rs
index 8ee330d4..68bf810b 100644
--- a/matrix_sdk_crypto/src/verification/sas/mod.rs
+++ b/matrix_sdk_crypto/src/verification/sas/mod.rs
@@ -27,12 +27,8 @@ use tracing::{error, info, trace, warn};
 use matrix_sdk_common::{
     api::r0::keys::upload_signatures::Request as SignatureUploadRequest,
     events::{
-        key::verification::{
-            cancel::CancelCode,
-            start::{StartEventContent, StartToDeviceEventContent},
-        },
-        AnyMessageEvent, AnyMessageEventContent, AnySyncMessageEvent, AnyToDeviceEvent,
-        AnyToDeviceEventContent, MessageEvent, ToDeviceEvent,
+        key::verification::cancel::CancelCode, AnyMessageEvent, AnyMessageEventContent,
+        AnyToDeviceEvent, AnyToDeviceEventContent,
     },
     identifiers::{DeviceId, EventId, RoomId, UserId},
     uuid::Uuid,
diff --git a/matrix_sdk_crypto/src/verification/sas/sas_state.rs b/matrix_sdk_crypto/src/verification/sas/sas_state.rs
index ed4876cb..d4cb9c8a 100644
--- a/matrix_sdk_crypto/src/verification/sas/sas_state.rs
+++ b/matrix_sdk_crypto/src/verification/sas/sas_state.rs
@@ -31,7 +31,6 @@ use matrix_sdk_common::{
             cancel::{CancelCode, CancelEventContent, CancelToDeviceEventContent},
             done::DoneEventContent,
             key::{KeyEventContent, KeyToDeviceEventContent},
-            mac::MacToDeviceEventContent,
             start::{
                 MSasV1Content, MSasV1ContentInit, StartEventContent, StartMethod,
                 StartToDeviceEventContent,
@@ -39,7 +38,7 @@ use matrix_sdk_common::{
             HashAlgorithm, KeyAgreementProtocol, MessageAuthenticationCode, Relation,
             ShortAuthenticationString, VerificationMethod,
         },
-        AnyMessageEventContent, AnyToDeviceEventContent, MessageEvent, ToDeviceEvent,
+        ToDeviceEvent,
     },
     identifiers::{DeviceId, EventId, RoomId, UserId},
     uuid::Uuid,
@@ -495,23 +494,15 @@ impl SasState<Started> {
         account: ReadOnlyAccount,
         other_device: ReadOnlyDevice,
         other_identity: Option<UserIdentities>,
-        sender: &UserId,
         content: impl Into<StartContent>,
     ) -> Result<SasState<Started>, SasState<Canceled>> {
-        Self::from_start_helper(
-            account,
-            other_device,
-            other_identity,
-            sender,
-            &content.into(),
-        )
+        Self::from_start_helper(account, other_device, other_identity, &content.into())
     }
 
     fn from_start_helper(
         account: ReadOnlyAccount,
         other_device: ReadOnlyDevice,
         other_identity: Option<UserIdentities>,
-        sender: &UserId,
         content: &StartContent,
     ) -> Result<SasState<Started>, SasState<Canceled>> {
         if let StartMethod::MSasV1(method_content) = content.method() {