diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b284f3f9..c9f4da9f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,21 +32,6 @@ jobs:
         with:
           command: test
 
-  coverage:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - run: cargo install cargo-tarpaulin
-      - run: cargo tarpaulin --verbose --all-features --workspace --timeout 120 --out xml --avoid-cfg-tarpaulin
-      - uses: codecov/codecov-action@v3
-        with:
-          fail_ci_if_error: true
-
   fmt:
     name: fmt
     runs-on: ubuntu-latest
diff --git a/src/net.rs b/src/net.rs
index c097365b..794c3f7b 100644
--- a/src/net.rs
+++ b/src/net.rs
@@ -46,11 +46,11 @@ pub trait Signable {
 }
 
 #[derive(Clone, Serialize, Deserialize, Debug, PartialEq)]
-///
+/// A bad private share
 pub struct BadPrivateShare {
-    ///
+    /// the DH shared key between these participants
     pub shared_key: Point,
-    ///
+    /// prooof that the shared key is a valid DH tuple as per chaum-pedersen
     pub tuple_proof: TupleProof,
 }
 
@@ -195,7 +195,7 @@ pub struct DkgPrivateShares {
 }
 
 impl DkgPrivateShares {
-    ///
+    /// Verify that the shares are good
     pub fn verify() -> bool {
         true
     }
diff --git a/src/state_machine/coordinator/fire.rs b/src/state_machine/coordinator/fire.rs
index 4e30950d..34f10eec 100644
--- a/src/state_machine/coordinator/fire.rs
+++ b/src/state_machine/coordinator/fire.rs
@@ -803,7 +803,7 @@ impl<Aggregator: AggregatorTrait> Coordinator<Aggregator> {
             );
             if nonce_info.nonce_recv_key_ids.len() >= self.config.threshold as usize {
                 // We have a winning message!
-                self.message = nonce_response.message.clone();
+                self.message.clone_from(&nonce_response.message);
                 let aggregate_nonce = self.compute_aggregate_nonce();
                 info!("Aggregate nonce: {}", aggregate_nonce);
 
diff --git a/src/state_machine/signer/mod.rs b/src/state_machine/signer/mod.rs
index 49ef2d80..8d4dca23 100644
--- a/src/state_machine/signer/mod.rs
+++ b/src/state_machine/signer/mod.rs
@@ -275,7 +275,7 @@ impl<SignerType: SignerTrait> Signer<SignerType> {
         self.state = State::Idle;
     }
 
-    ///
+    /// Process the slice of packets
     pub fn process_inbound_messages(&mut self, messages: &[Packet]) -> Result<Vec<Packet>, Error> {
         let mut responses = vec![];
         for message in messages {