diff --git a/src/constants/mod.rs b/src/constants.rs
similarity index 96%
rename from src/constants/mod.rs
rename to src/constants.rs
index d9b19573..6dbc197b 100644
--- a/src/constants/mod.rs
+++ b/src/constants.rs
@@ -1,5 +1,3 @@
-pub mod predule;
-
 // 기본 데이터베이스 이름
 pub const DEFAULT_DATABASE_NAME: &str = "rrdb";
 
diff --git a/src/constants/README.md b/src/constants/README.md
deleted file mode 100644
index a9f41f6f..00000000
--- a/src/constants/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-## constants
-
-- 상수 정의입니다.
diff --git a/src/constants/predule.rs b/src/constants/predule.rs
deleted file mode 100644
index 8b137891..00000000
--- a/src/constants/predule.rs
+++ /dev/null
@@ -1 +0,0 @@
-