diff --git a/flake.lock b/flake.lock
index 6a37d4e7e..b61656e3f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -109,11 +109,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1698924604,
-        "narHash": "sha256-GCFbkl2tj8fEZBZCw3Tc0AkGo0v+YrQlohhEGJ/X4s0=",
+        "lastModified": 1699099776,
+        "narHash": "sha256-X09iKJ27mGsGambGfkKzqvw5esP1L/Rf8H3u3fCqIiU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fa804edfb7869c9fb230e174182a8a1a7e512c40",
+        "rev": "85f1ba3e51676fa8cc604a3d863d729026a6b8eb",
         "type": "github"
       },
       "original": {
@@ -166,11 +166,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1698852633,
-        "narHash": "sha256-Hsc/cCHud8ZXLvmm8pxrXpuaPEeNaaUttaCvtdX/Wug=",
+        "lastModified": 1699271226,
+        "narHash": "sha256-8Jt1KW3xTjolD6c6OjJm9USx/jmL+VVmbooADCkdDfU=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "dec10399e5b56aa95fcd530e0338be72ad6462a0",
+        "rev": "ea758da1a6dcde6dc36db348ed690d09b9864128",
         "type": "github"
       },
       "original": {
@@ -194,11 +194,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1698977568,
-        "narHash": "sha256-bnbCqPDFdOUcSANJv9Br3q/b1LyK9vyB1I7os5T4jXI=",
+        "lastModified": 1699582387,
+        "narHash": "sha256-sPmUXPDl+cEi+zFtM5lnAs7dWOdRn0ptZ4a/qHwvNDk=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "321affd863e3e4e669990a1db5fdabef98387b95",
+        "rev": "41f7b0618052430d3a050e8f937030d00a2fcced",
         "type": "github"
       },
       "original": {
diff --git a/primitives/src/vid/advz.rs b/primitives/src/vid/advz.rs
index 97b4f336c..390cad267 100644
--- a/primitives/src/vid/advz.rs
+++ b/primitives/src/vid/advz.rs
@@ -144,6 +144,7 @@ where
 
 /// The [`VidScheme::Share`] type for [`Advz`].
 #[derive(Derivative, Deserialize, Serialize)]
+#[serde(bound = "Output<H>: Serialize + for<'a> Deserialize<'a>")]
 #[derivative(
     Clone(bound = ""),
     Debug(bound = ""),
@@ -638,7 +639,8 @@ mod tests {
     };
     use sha2::Sha256;
 
-    #[test]
+    // #[test]
+    #[allow(dead_code)]
     fn disperse_timer() {
         // run with 'print-trace' feature to see timer output
         let (payload_chunk_size, num_storage_nodes) = (256, 512);
@@ -651,7 +653,8 @@ mod tests {
         let _ = advz.disperse(&payload_random);
     }
 
-    #[test]
+    // #[test]
+    #[allow(dead_code)]
     fn commit_only_timer() {
         // run with 'print-trace' feature to see timer output
         let (payload_chunk_size, num_storage_nodes) = (256, 512);