diff --git a/src/bilibili/credential.rs b/src/bilibili/credential.rs
index f2fb33f..a1c8fbb 100644
--- a/src/bilibili/credential.rs
+++ b/src/bilibili/credential.rs
@@ -22,16 +22,6 @@ pub struct Credential {
 }
 
 impl Credential {
-    pub fn new(sessdata: String, bili_jct: String, buvid3: String, dedeuserid: String, ac_time_value: String) -> Self {
-        Self {
-            sessdata,
-            bili_jct,
-            buvid3,
-            dedeuserid,
-            ac_time_value,
-        }
-    }
-
     const fn empty() -> Self {
         Self {
             sessdata: String::new(),
diff --git a/src/bilibili/mod.rs b/src/bilibili/mod.rs
index 7700cfe..bb36d8e 100644
--- a/src/bilibili/mod.rs
+++ b/src/bilibili/mod.rs
@@ -1,4 +1,4 @@
-pub use analyzer::{AudioQuality, BestStream, FilterOption, PageAnalyzer, VideoCodecs, VideoQuality};
+pub use analyzer::{BestStream, FilterOption};
 pub use client::{BiliClient, Client};
 pub use credential::Credential;
 pub use error::BiliError;