diff --git a/src/compositions/member/composition.rs b/src/compositions/member/composition.rs
index 8dd7e18..5017445 100644
--- a/src/compositions/member/composition.rs
+++ b/src/compositions/member/composition.rs
@@ -573,7 +573,7 @@ impl Composition {
     Ok(Some(models::from_member_model(
       &_m,
       self.select_parent(conn, _m.parent_member_id)?,
-      self.select_children_count(conn, _m.parent_member_id)?,
+      self.select_children_count(conn, _m.id)?,
     )))
   }
 
@@ -610,7 +610,7 @@ impl Composition {
     Ok(Some(models::from_member_model(
       &_m,
       self.select_parent(conn, _m.parent_member_id)?,
-      self.select_children_count(conn, _m.parent_member_id)?,
+      self.select_children_count(conn, _m.id)?,
     )))
   }
 
@@ -618,7 +618,7 @@ impl Composition {
   pub fn select_children_count(
     &self,
     conn: &diesel::PgConnection,
-    parent_member_id: Option<uuid::Uuid>,
+    parent_member_id: uuid::Uuid,
   ) -> Result<Vec<i64>, Error> {
     use diesel::sql_types::BigInt;
 
@@ -628,13 +628,6 @@ impl Composition {
       count_of_children: i64,
     }
 
-    let parent_member_id = match parent_member_id {
-      Some(i) => i,
-      None => {
-        return Ok(vec![]);
-      }
-    };
-
     let query = format!(
       "
     {}
@@ -709,7 +702,7 @@ impl Composition {
       p = Some(models::from_member_model(
         &m,
         p,
-        self.select_children_count(conn, m.parent_member_id)?,
+        self.select_children_count(conn, m.id)?,
       ));
     }
 
@@ -1004,7 +997,7 @@ impl Composition {
       list.push(models::from_member_model(
         &_m,
         self.select_parent(conn, _m.parent_member_id)?,
-        self.select_children_count(conn, _m.parent_member_id)?,
+        self.select_children_count(conn, _m.id)?,
       ));
     }
 
diff --git a/src/services/member/models.rs b/src/services/member/models.rs
index 15017bd..c1b5e91 100644
--- a/src/services/member/models.rs
+++ b/src/services/member/models.rs
@@ -69,7 +69,7 @@ impl From<&compositions::member::models::MemberModel> for bpr::models::member::M
       parent_member: d
         .parent_member
         .as_ref()
-        .map(|v| Box::<bpr::models::member::MemberModel>::from(v)),
+        .map(Box::<bpr::models::member::MemberModel>::from),
       child_member_count: d.child_member_count as u64,
       children_count: d.children_count.iter().map(|v| *v as u64).collect(),
       username: d.username.clone(),
@@ -114,7 +114,7 @@ impl From<&Box<compositions::member::models::MemberModel>>
       parent_member: d
         .parent_member
         .as_ref()
-        .map(|v| Box::<bpr::models::member::MemberModel>::from(v)),
+        .map(Box::<bpr::models::member::MemberModel>::from),
       child_member_count: d.child_member_count as u64,
       children_count: d.children_count.iter().map(|v| *v as u64).collect(),
       username: d.username.clone(),