diff --git a/cmd/obitools/obitag2/main.go b/cmd/obitools/obitag2/main.go
deleted file mode 100644
index dc32e4c..0000000
--- a/cmd/obitools/obitag2/main.go
+++ /dev/null
@@ -1,61 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-
-	log "github.com/sirupsen/logrus"
-
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiiter"
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitax"
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitools/obiconvert"
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitools/obitag"
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitools/obitag2"
-
-	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obioptions"
-)
-
-func main() {
-
-	// go tool pprof -http=":8000" ./build/obitag ./cpu.pprof
-	// f, err := os.Create("cpu.pprof")
-	// if err != nil {
-	// 	log.Fatal(err)
-	// }
-	// pprof.StartCPUProfile(f)
-	// defer pprof.StopCPUProfile()
-
-	// go tool trace cpu.trace
-	// ftrace, err := os.Create("cpu.trace")
-	// if err != nil {
-	// 	log.Fatal(err)
-	// }
-	// trace.Start(ftrace)
-	// defer trace.Stop()
-
-	obioptions.SetWorkerPerCore(2)
-	obioptions.SetStrictReadWorker(1)
-	obioptions.SetStrictWriteWorker(1)
-	obioptions.SetBatchSize(10)
-
-	optionParser := obioptions.GenerateOptionParser(obitag.OptionSet)
-
-	_, args := optionParser(os.Args)
-
-	fs, err := obiconvert.CLIReadBioSequences(args...)
-	obiconvert.OpenSequenceDataErrorMessage(args, err)
-
-	taxo := obitax.DefaultTaxonomy()
-	if taxo == nil {
-		log.Panicln("No loaded taxonomy")
-	}
-
-	references := obitag.CLIRefDB()
-
-	identified := obitag2.CLIAssignTaxonomy(fs, references, taxo)
-
-	obiconvert.CLIWriteBioSequences(identified, true)
-	obiiter.WaitForLastPipe()
-
-	fmt.Println("")
-}