diff --git a/internal/agent/agent.go b/internal/agent/agent.go
index eb7eaac..3e410a8 100644
--- a/internal/agent/agent.go
+++ b/internal/agent/agent.go
@@ -81,7 +81,11 @@ func New(config Config) (*Agent, error) {
 			return nil, err
 		}
 	}
-	go a.serve()
+	go func() {
+		if err := a.serve(); err != nil {
+			logger.Fatal("agent failed", zap.Error(err))
+		}
+	}()
 	return a, nil
 }
 
@@ -113,7 +117,7 @@ func (a *Agent) setupLog() error {
 		if _, err := reader.Read(b); err != nil {
 			return false
 		}
-		return bytes.Compare(b, []byte{byte(log.RaftRPC)}) == 0
+		return bytes.Equal(b, []byte{byte(log.RaftRPC)})
 	})
 	logConfig := log.Config{}
 	logConfig.Raft.StreamLayer = log.NewStreamLayer(
diff --git a/internal/agent/agent_test.go b/internal/agent/agent_test.go
index 728daaf..5aee631 100644
--- a/internal/agent/agent_test.go
+++ b/internal/agent/agent_test.go
@@ -12,6 +12,7 @@ import (
 	"github.com/travisjeffery/go-dynaport"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/status"
 
 	api "github.com/garrettladley/dclog/api/v1"
 	"github.com/garrettladley/dclog/internal/agent"
@@ -123,8 +124,8 @@ func TestAgent(t *testing.T) {
 	)
 	require.Nil(t, consumeResponse)
 	require.Error(t, err)
-	got := grpc.Code(err)
-	want := grpc.Code(api.ErrOffsetOutOfRange{}.GRPCStatus().Err())
+	got := status.Code(err)
+	want := status.Code(api.ErrOffsetOutOfRange{}.GRPCStatus().Err())
 	require.Equal(t, got, want)
 }
 
@@ -133,7 +134,7 @@ func client(t *testing.T, agent *agent.Agent, tlsConfig *tls.Config) api.LogClie
 	opts := []grpc.DialOption{grpc.WithTransportCredentials(tlsCreds)}
 	rpcAddr, err := agent.Config.RPCAddr()
 	require.NoError(t, err)
-	conn, err := grpc.Dial(rpcAddr, opts...)
+	conn, err := grpc.NewClient(rpcAddr, opts...)
 	require.NoError(t, err)
 	client := api.NewLogClient(conn)
 	return client
diff --git a/internal/log/segment.go b/internal/log/segment.go
index 97000a5..3eef46d 100644
--- a/internal/log/segment.go
+++ b/internal/log/segment.go
@@ -115,10 +115,3 @@ func (s *segment) Remove() error {
 	}
 	return nil
 }
-
-func nearestMultiple(j, k uint64) uint64 {
-	if j >= 0 {
-		return (j / k) * k
-	}
-	return ((j - k + 1) / k) * k
-}
diff --git a/internal/log/store_test.go b/internal/log/store_test.go
index ee41262..8f224d2 100644
--- a/internal/log/store_test.go
+++ b/internal/log/store_test.go
@@ -77,13 +77,15 @@ func TestStoreClose(t *testing.T) {
 	_, _, err = s.Append(write)
 	require.NoError(t, err)
 
-	f, beforeSize, err := openFile(f.Name())
+	var beforeSize int64
+	f, beforeSize, err = openFile(f.Name())
 	require.NoError(t, err)
 
 	err = s.Close()
 	require.NoError(t, err)
 
-	f, afterSize, err := openFile(f.Name())
+	var afterSize int64
+	f, afterSize, err = openFile(f.Name())
 	require.True(t, afterSize > beforeSize)
 }
 
diff --git a/internal/server/server_test.go b/internal/server/server_test.go
index bc9a338..9d16a08 100644
--- a/internal/server/server_test.go
+++ b/internal/server/server_test.go
@@ -1,9 +1,9 @@
 package server
 
 import (
-	// ...
 	"context"
 	"flag"
+	"fmt"
 	"net"
 	"os"
 	"testing"
@@ -24,8 +24,6 @@ import (
 	"github.com/garrettladley/dclog/internal/log"
 )
 
-// imports...
-
 var debug = flag.Bool("debug", false, "Enable observability for debugging.")
 
 func TestMain(m *testing.M) {
@@ -89,7 +87,7 @@ func setupTest(t *testing.T, fn func(*Config)) (
 		require.NoError(t, err)
 		tlsCreds := credentials.NewTLS(tlsConfig)
 		opts := []grpc.DialOption{grpc.WithTransportCredentials(tlsCreds)}
-		conn, err := grpc.Dial(l.Addr().String(), opts...)
+		conn, err := grpc.NewClient(l.Addr().String(), opts...)
 		require.NoError(t, err)
 		client := api.NewLogClient(conn)
 		return conn, client, opts
@@ -157,7 +155,9 @@ func setupTest(t *testing.T, fn func(*Config)) (
 	require.NoError(t, err)
 
 	go func() {
-		server.Serve(l)
+		if err := server.Serve(l); err != nil {
+			panic(fmt.Errorf("server serve: %w", err))
+		}
 	}()
 
 	return rootClient, nobodyClient, cfg, func() {