diff --git a/src/parser.rs b/src/parser.rs
index 0bbfe09..75448e6 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -989,9 +989,8 @@ mod tests {
 
     #[test]
     fn incomplete_manifest() {
-        assert_eq!(
-            is_master_playlist("#EXTM3U\n#EXT-X-VERSION:5\n#EXT-X-TARGETDU".as_bytes()),
-            false
-        );
+        assert!(!is_master_playlist(
+            "#EXTM3U\n#EXT-X-VERSION:5\n#EXT-X-TARGETDU".as_bytes()
+        ));
     }
 }
diff --git a/src/playlist.rs b/src/playlist.rs
index 14d033f..8beaec0 100644
--- a/src/playlist.rs
+++ b/src/playlist.rs
@@ -412,7 +412,7 @@ impl TryFrom<QuotedOrUnquoted> for ClosedCaptionGroupId {
     fn try_from(s: QuotedOrUnquoted) -> Result<ClosedCaptionGroupId, String> {
         match s {
             QuotedOrUnquoted::Unquoted(s) if s == "NONE" => Ok(ClosedCaptionGroupId::None),
-            QuotedOrUnquoted::Unquoted(s) => Ok(ClosedCaptionGroupId::Other(String::from(s))),
+            QuotedOrUnquoted::Unquoted(s) => Ok(ClosedCaptionGroupId::Other(s)),
             QuotedOrUnquoted::Quoted(s) => Ok(ClosedCaptionGroupId::GroupId(s)),
         }
     }