diff --git a/src/lib.rs b/src/lib.rs
index 856d963..5e4afc5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -291,14 +291,3 @@ fn test_continuity() {
     let expected: Vec<Vec<isize>> = vec![vec![1, 2, 3], vec![5, 6, 7], vec![11, 12]];
     assert_eq!(expected, group_continuity(&source));
 }
-#[test]
-fn test_create_frame_string() {
-    let source: Vec<String> = vec![
-        "001".to_string(),
-        "005".to_string(),
-        "003".to_string(),
-        "002".to_string(),
-    ];
-    let expected: String = "1-3,5".to_string();
-    assert_eq!(expected, create_frame_string(source));
-}