diff --git a/tests/seek.rs b/tests/seek.rs
index ccbf3cc..27e2d0d 100644
--- a/tests/seek.rs
+++ b/tests/seek.rs
@@ -8,7 +8,7 @@ use rstest_reuse::{self, *};
 
 #[template]
 #[rstest]
-// note: disabled, broken decoder see issue: #516
+// note: disabled, broken decoder see issue: #516 and #539
 // #[cfg_attr(feature = "symphonia-vorbis"), case("ogg", true, "symphonia")],
 #[cfg_attr(
     all(feature = "minimp3", not(feature = "symphonia-mp3")),
@@ -23,7 +23,8 @@ use rstest_reuse::{self, *};
     case("flac", false, "claxon")
 )]
 #[cfg_attr(feature = "symphonia-mp3", case("mp3", true, "symphonia"))]
-#[cfg_attr(feature = "symphonia-isomp4", case("m4a", true, "symphonia"))]
+// note: disabled, broken decoder see issue: #577
+// #[cfg_attr(feature = "symphonia-isomp4", case("m4a", true, "symphonia"))]
 #[cfg_attr(feature = "symphonia-wav", case("wav", true, "symphonia"))]
 #[cfg_attr(feature = "symphonia-flac", case("flac", true, "symphonia"))]
 fn all_decoders(
@@ -35,14 +36,15 @@ fn all_decoders(
 
 #[template]
 #[rstest]
-// note: disabled, broken decoder see issue: #516
+// note: disabled, broken decoder see issue: #516 and #539
 // #[cfg_attr(feature = "symphonia-vorbis"), case("ogg", true, "symphonia")],
 #[cfg_attr(
     all(feature = "wav", not(feature = "symphonia-wav")),
     case("wav", "hound")
 )]
 #[cfg_attr(feature = "symphonia-mp3", case("mp3", "symphonia"))]
-#[cfg_attr(feature = "symphonia-isomp4", case("m4a", "symphonia"))]
+// note: disabled, broken decoder see issue: #577
+// #[cfg_attr(feature = "symphonia-isomp4", case("m4a", "symphonia"))]
 #[cfg_attr(feature = "symphonia-wav", case("wav", "symphonia"))]
 #[cfg_attr(feature = "symphonia-flac", case("flac", "symphonia"))]
 fn supported_decoders(#[case] format: &'static str, #[case] decoder_name: &'static str) {}