diff --git a/src/table.rs b/src/table.rs
index 746278a..f059a17 100644
--- a/src/table.rs
+++ b/src/table.rs
@@ -476,28 +476,28 @@ mod tests {
 
     #[test]
     fn test_fat12() {
-        let mut fat: Vec<u8> = vec![
+        let fat: Vec<u8> = vec![
             0xF0, 0xFF, 0xFF, 0x03, 0x40, 0x00, 0x05, 0x60, 0x00, 0x07, 0x80, 0x00, 0xFF, 0xAF, 0x00, 0x14, 0xC0, 0x00, 0x0D, 0xE0, 0x00,
             0x0F, 0x00, 0x01, 0x11, 0xF0, 0xFF, 0x00, 0xF0, 0xFF, 0x15, 0x60, 0x01, 0x19, 0x70, 0xFF, 0xF7, 0xAF, 0x01, 0xFF, 0x0F, 0x00,
             0x00, 0x70, 0xFF, 0x00, 0x00, 0x00,
         ];
-        test_fat(FatType::Fat12, io::Cursor::new(&mut fat));
+        test_fat(FatType::Fat12, io::Cursor::new(fat));
     }
 
     #[test]
     fn test_fat16() {
-        let mut fat: Vec<u8> = vec![
+        let fat: Vec<u8> = vec![
             0xF0, 0xFF, 0xFF, 0xFF, 0x03, 0x00, 0x04, 0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00, 0xFF, 0xFF, 0x0A, 0x00, 0x14,
             0x00, 0x0C, 0x00, 0x0D, 0x00, 0x0E, 0x00, 0x0F, 0x00, 0x10, 0x00, 0x11, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x15, 0x00,
             0x16, 0x00, 0x19, 0x00, 0xF7, 0xFF, 0xF7, 0xFF, 0x1A, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xF7, 0xFF, 0x00, 0x00, 0x00,
             0x00,
         ];
-        test_fat(FatType::Fat16, io::Cursor::new(&mut fat));
+        test_fat(FatType::Fat16, io::Cursor::new(fat));
     }
 
     #[test]
     fn test_fat32() {
-        let mut fat: Vec<u8> = vec![
+        let fat: Vec<u8> = vec![
             0xF0, 0xFF, 0xFF, 0x0F, 0xFF, 0xFF, 0xFF, 0x0F, 0xFF, 0xFF, 0xFF, 0x0F, 0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x06,
             0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x0F, 0x0A, 0x00, 0x00, 0x00, 0x14, 0x00,
             0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x0D, 0x00, 0x00, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
@@ -506,6 +506,6 @@ mod tests {
             0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF7, 0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
             0x00, 0x00,
         ];
-        test_fat(FatType::Fat32, io::Cursor::new(&mut fat));
+        test_fat(FatType::Fat32, io::Cursor::new(fat));
     }
 }