diff --git a/src/cache.rs b/src/cache.rs
index 135bc83..443de21 100644
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -25,6 +25,8 @@ const MAIN_FILE: &str = "data.json";
 /// A CalDAV source that stores its items in a local folder.
 ///
 /// It automatically updates the content of the folder when dropped (see its `Drop` implementation), but you can also manually call [`Cache::save_to_folder`]
+///
+/// Most of its methods are part of the `CalDavSource` trait implementation
 #[derive(Debug)]
 pub struct Cache {
     backing_folder: PathBuf,
@@ -180,10 +182,8 @@ impl Drop for Cache {
     }
 }
 
-
-#[async_trait]
-impl CalDavSource<CachedCalendar> for Cache {
-    async fn get_calendars(&self) -> Result<HashMap<CalendarId, Arc<Mutex<CachedCalendar>>>, Box<dyn Error>> {
+impl Cache {
+    pub fn get_calendars_sync(&self) -> Result<HashMap<CalendarId, Arc<Mutex<CachedCalendar>>>, Box<dyn Error>> {
         #[cfg(feature = "local_calendar_mocks_remote_calendars")]
         self.mock_behaviour.as_ref().map_or(Ok(()), |b| b.lock().unwrap().can_get_calendars())?;
 
@@ -193,9 +193,20 @@ impl CalDavSource<CachedCalendar> for Cache {
         )
     }
 
-    async fn get_calendar(&self, id: &CalendarId) -> Option<Arc<Mutex<CachedCalendar>>> {
+    pub fn get_calendar_sync(&self, id: &CalendarId) -> Option<Arc<Mutex<CachedCalendar>>> {
         self.data.calendars.get(id).map(|arc| arc.clone())
     }
+}
+
+#[async_trait]
+impl CalDavSource<CachedCalendar> for Cache {
+    async fn get_calendars(&self) -> Result<HashMap<CalendarId, Arc<Mutex<CachedCalendar>>>, Box<dyn Error>> {
+        self.get_calendars_sync()
+    }
+
+    async fn get_calendar(&self, id: &CalendarId) -> Option<Arc<Mutex<CachedCalendar>>> {
+        self.get_calendar_sync(id)
+    }
 
     async fn create_calendar(&mut self, id: CalendarId, name: String, supported_components: SupportedComponents) -> Result<Arc<Mutex<CachedCalendar>>, Box<dyn Error>> {
         log::debug!("Inserting local calendar {}", id);
diff --git a/src/calendar/cached_calendar.rs b/src/calendar/cached_calendar.rs
index d8a76fa..49958b2 100644
--- a/src/calendar/cached_calendar.rs
+++ b/src/calendar/cached_calendar.rs
@@ -17,6 +17,8 @@ use crate::mock_behaviour::MockBehaviour;
 
 
 /// A calendar used by the [`cache`](crate::cache) module
+///
+/// Most of its methods are part of traits implementations
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct CachedCalendar {
     name: String,
@@ -111,6 +113,32 @@ impl CachedCalendar {
 
         Ok(true)
     }
+
+    /// The non-async version of [`Self::get_item_ids`]
+    pub fn get_item_ids_sync(&self) -> Result<HashSet<ItemId>, Box<dyn Error>> {
+        Ok(self.items.iter()
+            .map(|(id, _)| id.clone())
+            .collect()
+        )
+    }
+
+    /// The non-async version of [`Self::get_items`]
+    pub fn get_items_sync(&self) -> Result<HashMap<ItemId, &Item>, Box<dyn Error>> {
+        Ok(self.items.iter()
+            .map(|(id, item)| (id.clone(), item))
+            .collect()
+        )
+    }
+
+    /// The non-async version of [`Self::get_item_by_id`]
+    pub fn get_item_by_id_sync<'a>(&'a self, id: &ItemId) -> Option<&'a Item> {
+        self.items.get(id)
+    }
+
+    /// The non-async version of [`Self::get_item_by_id_mut`]
+    pub fn get_item_by_id_mut_sync<'a>(&'a mut self, id: &ItemId) -> Option<&'a mut Item> {
+        self.items.get_mut(id)
+    }
 }
 
 
@@ -163,25 +191,19 @@ impl CompleteCalendar for CachedCalendar {
     }
 
     async fn get_item_ids(&self) -> Result<HashSet<ItemId>, Box<dyn Error>> {
-        Ok(self.items.iter()
-            .map(|(id, _)| id.clone())
-            .collect()
-        )
+        self.get_item_ids_sync()
     }
 
     async fn get_items(&self) -> Result<HashMap<ItemId, &Item>, Box<dyn Error>> {
-        Ok(self.items.iter()
-            .map(|(id, item)| (id.clone(), item))
-            .collect()
-        )
+        self.get_items_sync()
     }
 
-    async fn get_item_by_id_ref<'a>(&'a self, id: &ItemId) -> Option<&'a Item> {
-        self.items.get(id)
+    async fn get_item_by_id<'a>(&'a self, id: &ItemId) -> Option<&'a Item> {
+        self.get_item_by_id_sync(id)
     }
 
     async fn get_item_by_id_mut<'a>(&'a mut self, id: &ItemId) -> Option<&'a mut Item> {
-        self.items.get_mut(id)
+        self.get_item_by_id_mut_sync(id)
     }
 
     async fn mark_for_deletion(&mut self, item_id: &ItemId) -> Result<(), Box<dyn Error>> {
diff --git a/src/provider.rs b/src/provider.rs
index 08ffb60..e641df2 100644
--- a/src/provider.rs
+++ b/src/provider.rs
@@ -177,7 +177,7 @@ where
         let mut local_items_to_handle = cal_local.get_item_ids().await?;
         for (id, remote_tag) in remote_items {
             result.trace(&format!("***** Considering remote item {}...", id));
-            match cal_local.get_item_by_id_ref(&id).await {
+            match cal_local.get_item_by_id(&id).await {
                 None => {
                     // This was created on the remote
                     result.debug(&format!("*   {} is a remote addition", id));
@@ -230,7 +230,7 @@ where
         // Also iterate on the local tasks that are not on the remote
         for id in local_items_to_handle {
             result.trace(&format!("##### Considering local item {}...", id));
-            let local_item = match cal_local.get_item_by_id_ref(&id).await {
+            let local_item = match cal_local.get_item_by_id(&id).await {
                 None => {
                     result.error(&format!("Inconsistent state: missing task {} from the local tasks", id));
                     continue;
diff --git a/src/traits.rs b/src/traits.rs
index 693b37f..b7ff999 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -103,7 +103,7 @@ pub trait CompleteCalendar : BaseCalendar {
     async fn get_items(&self) -> Result<HashMap<ItemId, &Item>, Box<dyn Error>>;
 
     /// Returns a particular item
-    async fn get_item_by_id_ref<'a>(&'a self, id: &ItemId) -> Option<&'a Item>;
+    async fn get_item_by_id<'a>(&'a self, id: &ItemId) -> Option<&'a Item>;
 
     /// Returns a particular item
     async fn get_item_by_id_mut<'a>(&'a mut self, id: &ItemId) -> Option<&'a mut Item>;