diff --git a/repo.new.go b/repo.new.go
index 5e3f8b4..de8a058 100644
--- a/repo.new.go
+++ b/repo.new.go
@@ -50,7 +50,9 @@ func (all *Repos) NewGoRepo(fullpath string, gopath string) (*Repo, error) {
 }
 
 // enforces GoPath is unique
-func (all *Repos) AppendByGoPath(newr *Repo) bool {
+// TODO: deprecate this (?)
+// mutex's should finally work in the autogenpb protobuf code
+func (all *Repos) AppendByGoPathOld(newr *Repo) bool {
 	// all.RLock()
 	repoMu.RLock()
 
@@ -64,7 +66,6 @@ func (all *Repos) AppendByGoPath(newr *Repo) bool {
 	// all.RUnlock()
 	repoMu.RUnlock()
 
-	// all.Repos = append(all.Repos, newr)
 	all.Append(newr)
 	return true
 }
diff --git a/repo.proto b/repo.proto
index 02868de..3dc8617 100644
--- a/repo.proto
+++ b/repo.proto
@@ -42,7 +42,7 @@ message GoInfo {                                                   // `autogenpb
         bool                        gitIgnoresGoSum          = 12; // does .gitignore ignore go.mod & go.sum?
 }
 
-message Repo {                                                     // `autogenpb:marshal` `autogenpb:nomutex`
+message Repo {                                                     // `autogenpb:marshal`
         string                      namespace                = 1;  // `autogenpb:unique` `autogenpb:sort` 	// this repo is 'go.wit.com/lib/protobuf/gitpb'
         string                      fullPath                 = 2;  // `autogenpb:unique` `autogenpb:sort` 	// the OS path to the .git directory: '/home/devel/golang.org/x/tools'
         string                      masterBranchName         = 3;  // git 'main' or 'master' branch name
@@ -70,7 +70,7 @@ message Repo {                                                     // `autogenpb
         GitConfig                   gitConfig                = 25; // protobuf of the current .git/config
 }
 
-message Repos {                                                    // `autogenpb:marshal` `autogenpb:sort` `autogenpb:nomutex` `autogenpb:gui`
+message Repos {                                                    // `autogenpb:marshal` `autogenpb:sort` `autogenpb:gui`
         string                      uuid                     = 1;  // `autogenpb:uuid:8daaeba1-fb1f-4762-ae6e-95a55d352673`
         string                      version                  = 2;  // `autogenpb:version:v4`
         repeated Repo               repos                    = 3;  // `autogenpb:append`   // generate AppendUnique() function for this