diff --git a/cmd/client/main.go b/cmd/client/main.go
index 8a84c1a..f396d07 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -7,7 +7,6 @@ import (
 	"os"
 
 	"github.com/yezzey-gp/yproxy/pkg/storage"
-	"github.com/yezzey-gp/yproxy/pkg/utils"
 
 	"github.com/spf13/cobra"
 	"github.com/yezzey-gp/yproxy/config"
@@ -25,14 +24,11 @@ var encrypt bool
 var offset uint64
 
 // TODOV
-func Runner(f func(net.Conn, *config.Instance, []string) error, argChecker func([]string) error) func(*cobra.Command, []string) error {
+func Runner(f func(net.Conn, *config.Instance, []string) error) func(*cobra.Command, []string) error {
 
 	return func(cmd *cobra.Command, args []string) error {
-		err := argChecker(args)
-		if err != nil {
-			return err
-		}
-		err = config.LoadInstanceConfig(cfgPath)
+
+		err := config.LoadInstanceConfig(cfgPath)
 		if err != nil {
 			return err
 		}
@@ -206,25 +202,29 @@ var rootCmd = &cobra.Command{
 var catCmd = &cobra.Command{
 	Use:   "cat",
 	Short: "cat",
-	RunE:  Runner(catFunc, utils.OneArg),
+	Args:  cobra.ExactArgs(1),
+	RunE:  Runner(catFunc),
 }
 
 var copyCmd = &cobra.Command{
 	Use:   "copy",
 	Short: "copy",
-	RunE:  Runner(copyFunc, utils.OneArg),
+	Args:  cobra.ExactArgs(1),
+	RunE:  Runner(copyFunc),
 }
 
 var putCmd = &cobra.Command{
 	Use:   "put",
 	Short: "put",
-	RunE:  Runner(putFunc, utils.OneArg),
+	Args:  cobra.ExactArgs(1),
+	RunE:  Runner(putFunc),
 }
 
 var listCmd = &cobra.Command{
 	Use:   "list",
 	Short: "list",
-	RunE:  Runner(listFunc, utils.OneArg),
+	Args:  cobra.ExactArgs(1),
+	RunE:  Runner(listFunc),
 }
 
 func init() {
diff --git a/pkg/utils/argcheckers.go b/pkg/utils/argcheckers.go
deleted file mode 100644
index fb0444e..0000000
--- a/pkg/utils/argcheckers.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package utils
-
-import "fmt"
-
-func countCheck(args []string, count int64) error {
-	if len(args) != int(count) {
-		return fmt.Errorf("invalid number of arguments, %d expected, %d received", count, len(args))
-	} else {
-		return nil
-	}
-}
-func lessThan(args []string, count int64) error {
-	if len(args) > int(count) {
-		return fmt.Errorf("invalid number of arguments, %d<= expected, %d received", count, len(args))
-	} else {
-		return nil
-	}
-}
-
-func ZeroArg(args []string) error {
-	return countCheck(args, 0)
-}
-
-func OneArg(args []string) error {
-	return countCheck(args, 1)
-}