diff --git a/main.go b/main.go
index c00a9d1..0707588 100644
--- a/main.go
+++ b/main.go
@@ -1,4 +1,3 @@
-// Package main /
 /*
 MIT License
 
@@ -22,6 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
+
 package main
 
 import "github.com/jkaninda/pg-bkup/cmd"
diff --git a/pkg/restore.go b/pkg/restore.go
index c64cd82..d1df2f2 100644
--- a/pkg/restore.go
+++ b/pkg/restore.go
@@ -1,4 +1,3 @@
-// Package internal /
 /*
 MIT License
 
diff --git a/utils/utils.go b/utils/utils.go
index 9a7da39..3a138a9 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -254,7 +254,3 @@ func CronNextTime(cronExpr string) time.Time {
 	next := schedule.Next(now)
 	return next
 }
-func UsageErrorf(cmd *cobra.Command, message string, args ...interface{}) error {
-	msg := fmt.Sprintf(message, args...)
-	return fmt.Errorf("%s\nSee '%s -h' for help and examples", msg, cmd.CommandPath())
-}