diff --git a/src/db/event/mod.rs b/src/db/event/mod.rs
index b69edc79..acdc5f18 100644
--- a/src/db/event/mod.rs
+++ b/src/db/event/mod.rs
@@ -118,10 +118,10 @@ pub(crate) struct RawObject {
     removed: bool,
 }
 
+pub type EventData = (Uuid, Option<JsonValue>, Option<PostcardBin<CompactEvent>>);
+
 impl RawObject {
-    pub fn encode_to_binary(
-        &self,
-    ) -> Result<(Uuid, Option<JsonValue>, Option<PostcardBin<CompactEvent>>), anyhow::Error> {
+    pub fn encode_to_binary(&self) -> Result<EventData, anyhow::Error> {
         let r = match self.data.as_ref() {
             Some(data) => (
                 self.id,
@@ -134,15 +134,6 @@ impl RawObject {
         Ok(r)
     }
 
-    pub fn decode_from_binary(&self) -> Result<(Uuid, Option<JsonValue>), anyhow::Error> {
-        let r = match self.binary_data.as_ref() {
-            Some(binary) => (self.id, Some(binary.clone().into_inner().into_json()?)),
-            None => (self.id, None),
-        };
-
-        Ok(r)
-    }
-
     pub fn data(&self) -> Option<&JsonValue> {
         self.data.as_ref()
     }
diff --git a/src/migration_to_binary_format.rs b/src/migration_to_binary_format.rs
index 2065c604..e8adf283 100644
--- a/src/migration_to_binary_format.rs
+++ b/src/migration_to_binary_format.rs
@@ -167,7 +167,7 @@ async fn do_migrate_to_binary(db: Db, stop: Arc<AtomicBool>) -> Result<()> {
                     Ok(binary_data) => {
                         let evt_data = serde_json::to_vec(&Event { data, id })?;
                         file.write_all(&evt_data).await?;
-                        file.write(b"\n").await?;
+                        file.write_all(b"\n").await?;
 
                         event_ids.push(id);
                         event_binary_data.push(binary_data);
@@ -295,7 +295,7 @@ async fn do_migrate_to_json(db: Db, dir: String, stop: Arc<AtomicBool>) -> Resul
             Some(room_id) => room_id,
             None => continue,
         };
-        if let Err(_) = Uuid::from_str(room_id) {
+        if Uuid::from_str(room_id).is_err() {
             continue;
         }