diff --git a/backend/macros/src/dev.rs b/backend/macros/src/dev.rs
new file mode 100644
index 0000000..1173d67
--- /dev/null
+++ b/backend/macros/src/dev.rs
@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! dev_consume {
+    ($($var:ident),+) => {
+        $(let _ = $var;)*
+    };
+}
diff --git a/backend/macros/src/lib.rs b/backend/macros/src/lib.rs
index 6003095..e1ac3e9 100644
--- a/backend/macros/src/lib.rs
+++ b/backend/macros/src/lib.rs
@@ -1,2 +1,3 @@
+mod dev;
 mod include_str;
 mod log;
diff --git a/backend/server/src/modules/blog/api/get_post/mod.rs b/backend/server/src/modules/blog/api/get_post/mod.rs
index a9dd943..5e55731 100644
--- a/backend/server/src/modules/blog/api/get_post/mod.rs
+++ b/backend/server/src/modules/blog/api/get_post/mod.rs
@@ -1,3 +1,5 @@
+use macros::dev_consume;
+
 use axum::response::IntoResponse;
 use axum::{
     extract::{Path, State},
@@ -13,7 +15,7 @@ pub async fn handler(
     State(db_connection): State<PgPool>,
     Path(identifier): Path<String>,
 ) -> impl IntoResponse {
-    let post = if let Ok(id) = identifier.parse::<i64>() {
+    if let Ok(id) = identifier.parse::<i64>() {
         select_post_with_i64_id(&db_connection, id).await
     } else {
         select_post_with_str_id(&db_connection, &identifier).await
@@ -22,9 +24,11 @@ pub async fn handler(
 }
 
 async fn select_post_with_i64_id(db: &PgPool, id: i64) {
+    dev_consume!(db, id);
     todo!()
 }
 
 async fn select_post_with_str_id(db: &PgPool, id: &str) {
+    dev_consume!(db, id);
     todo!()
 }
diff --git a/backend/server/src/modules/blog/api/mod.rs b/backend/server/src/modules/blog/api/mod.rs
index 3092117..5eb1f92 100644
--- a/backend/server/src/modules/blog/api/mod.rs
+++ b/backend/server/src/modules/blog/api/mod.rs
@@ -1,3 +1,6 @@
 pub mod get_page_count;
+
+// todo: remove exception tag
+#[allow(dead_code)]
 pub mod get_post;
 // pub mod get_post_list;