diff --git a/backend/media/uploader.go b/backend/media/uploader.go
index 1ac6e38..be319bc 100644
--- a/backend/media/uploader.go
+++ b/backend/media/uploader.go
@@ -23,11 +23,6 @@ type uploadResult struct {
 	size          int64
 }
 
-type readResult struct {
-	n   int
-	err error
-}
-
 const (
 	targetPartSizeBytes = 5 * 1024 * 1024 // 5MB
 	readBufferSizeBytes = 32_768          // 32Kb
diff --git a/backend/server/server.go b/backend/server/server.go
index 55707ec..58abe89 100644
--- a/backend/server/server.go
+++ b/backend/server/server.go
@@ -27,7 +27,7 @@ func init() {
 const (
 	// ts-proto generates code that automatically retries for a subset of gRPC
 	// response codes. To avoid invoking this behaviour, default to returning a
-	// Cancelled code. Later,
+	// Cancelled code for now.
 	// See https://github.com/stephenh/ts-proto/blob/459b94f5b2988d58d186461332e888c3e511603a/src/generate-grpc-web.ts#L293
 	// and https://github.com/stephenh/ts-proto/pull/131.
 	defaultResponseCode    = codes.Canceled
@@ -146,7 +146,7 @@ func Start(options Options) error {
 
 	pbMediaSet.RegisterMediaSetServiceServer(grpcServer, &mediaSetServiceController{mediaSetService: fetchMediaSetService})
 
-	// TODO: proper CORS support
+	// TODO: configure CORS
 	grpcWebServer := grpcweb.WrapServer(grpcServer, grpcweb.WithOriginFunc(func(string) bool { return true }))
 	handler := func(w http.ResponseWriter, r *http.Request) {
 		grpcWebServer.ServeHTTP(w, r)