diff --git a/src/utils/use_decoding_keys.rs b/src/utils/use_decoding_keys.rs
deleted file mode 100644
index 7603bc8..0000000
--- a/src/utils/use_decoding_keys.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-use jsonwebtoken::{DecodingKey, EncodingKey};
-use once_cell::sync::Lazy;
-
-struct Keys {
-    encoding: EncodingKey,
-    decoding: DecodingKey,
-}
-
-impl Keys {
-    fn new(secret: &[u8]) -> Self {
-        Self {
-            encoding: EncodingKey::from_secret(secret),
-            decoding: DecodingKey::from_secret(secret),
-        }
-    }
-}
-
-static KEYS: Lazy<Keys> = Lazy::new(|| {
-    let secret = Alphanumeric.sample_string(&mut rand::thread_rng(), 60);
-    Keys::new(secret.as_bytes())
-});