diff --git a/carapace.go b/carapace.go
index 80c2dd3d7..88b39196a 100644
--- a/carapace.go
+++ b/carapace.go
@@ -71,9 +71,6 @@ func (c Carapace) DashAnyCompletion(action Action) {
 	storage.get(c.cmd).dashAny = action
 }
 
-// TODO move to storage
-var flagMutex sync.RWMutex
-
 // FlagCompletion defines completion for flags using a map consisting of name and Action.
 func (c Carapace) FlagCompletion(actions ActionMap) {
 	e := storage.get(c.cmd)