diff --git a/geneit_backend/src/services/families_service.rs b/geneit_backend/src/services/families_service.rs
index 171d905..fe41744 100644
--- a/geneit_backend/src/services/families_service.rs
+++ b/geneit_backend/src/services/families_service.rs
@@ -70,7 +70,7 @@ pub async fn is_member(family_id: FamilyID, user_id: UserID) -> anyhow::Result<b
     .map(|c: i64| c > 0)
 }
 
-/// Get the memberships of a user
+/// Get the memberships of a user, with family info
 pub async fn get_user_family_memberships(user_id: UserID) -> anyhow::Result<Vec<FamilyMembership>> {
     db_connection::execute(|conn| {
         families_memberships::table
@@ -79,6 +79,15 @@ pub async fn get_user_family_memberships(user_id: UserID) -> anyhow::Result<Vec<
     })
 }
 
+/// Get the memberships of a user, without family info
+pub async fn get_user_memberships(user_id: UserID) -> anyhow::Result<Vec<Membership>> {
+    db_connection::execute(|conn| {
+        memberships::table
+            .filter(memberships::dsl::user_id.eq(user_id.0))
+            .get_results(conn)
+    })
+}
+
 /// Get information about a membership of a user
 pub async fn get_membership(family_id: FamilyID, user_id: UserID) -> anyhow::Result<Membership> {
     db_connection::execute(|conn| {
@@ -178,6 +187,10 @@ pub async fn remove_membership(family_id: FamilyID, user_id: UserID) -> anyhow::
 }
 
 /// Remove all memberships of user
-pub async fn remove_all_user_membership(_user_id: UserID) -> anyhow::Result<()> {
-    todo!()
+pub async fn remove_all_user_membership(user_id: UserID) -> anyhow::Result<()> {
+    for m in get_user_memberships(user_id).await? {
+        remove_membership(m.family_id(), user_id).await?;
+    }
+
+    Ok(())
 }