diff --git a/cmd/mtwebmapper/main.go b/cmd/mtwebmapper/main.go
index 84d8f27..1f4ba41 100644
--- a/cmd/mtwebmapper/main.go
+++ b/cmd/mtwebmapper/main.go
@@ -25,7 +25,6 @@ func main() {
 	)
 
 	flag.StringVar(&cfgFile, "config", "", "configuration file")
-	flag.StringVar(&cfgFile, "c", "", "configuration file (shorthand)")
 	flag.BoolVar(&version, "version", false, "Print version and exit.")
 	cfg.bindFlags()