diff --git a/util.go b/util.go
index 5c6e41e..abb0a68 100644
--- a/util.go
+++ b/util.go
@@ -6,12 +6,10 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
-	"log/slog"
 	"math/rand"
 	"regexp"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/bluekeyes/go-gitdiff/gitdiff"
 	"github.com/charmbracelet/ssh"
@@ -211,112 +209,3 @@ func calcContentSha(diffFiles []*gitdiff.File, header *gitdiff.PatchHeader) stri
 	shaStr := hex.EncodeToString(sha[:])
 	return shaStr
 }
-
-func AuthorDateToTime(date string, logger *slog.Logger) time.Time {
-	// TODO: convert sql column to DATETIME
-	ds, err := time.Parse("2006-01-02T15:04:05Z", date)
-	if err != nil {
-		logger.Error(
-			"cannot parse author date for patch",
-			"datetime", date,
-			"err", err,
-		)
-		return time.Now()
-	}
-	return ds
-}
-
-/* func filterPatches(ranger *Ranger, patches []*Patch) []*Patch {
-	if ranger.Left == ranger.Right {
-		return []*Patch{patches[ranger.Left]}
-	}
-	return patches[ranger.Left:ranger.Right]
-}
-
-type Ranger struct {
-	Left  int
-	Right int
-}
-
-func parseRange(rnge string, sliceLen int) (*Ranger, error) {
-	items := strings.Split(rnge, ":")
-	left := 0
-	var err error
-	if items[0] != "" {
-		left, err = strconv.Atoi(items[0])
-		if err != nil {
-			return nil, fmt.Errorf("first value before `:` must provide number")
-		}
-	}
-
-	if left < 0 {
-		return nil, fmt.Errorf("first value must be >= 0")
-	}
-
-	if left >= sliceLen {
-		return nil, fmt.Errorf("first value must be less than number of patches")
-	}
-
-	if len(items) == 1 {
-		return &Ranger{
-			Left:  left,
-			Right: left,
-		}, nil
-	}
-
-	if items[1] == "" {
-		return &Ranger{Left: left, Right: sliceLen - 1}, nil
-	}
-
-	right, err := strconv.Atoi(items[1])
-	if err != nil {
-		return nil, fmt.Errorf("second value after `:` must provide number")
-	}
-
-	if left > right {
-		return nil, fmt.Errorf("second value must be greater than first value")
-	}
-
-	if right >= sliceLen {
-		return nil, fmt.Errorf("second value must be less than number of patches")
-	}
-
-	return &Ranger{
-		Left:  left,
-		Right: right,
-	}, nil
-} */
-
-/* func gitServiceCommands(sesh ssh.Session, be *Backend, cmd, repoName string) error {
-	name := utils.SanitizeRepo(repoName)
-	// git bare repositories should end in ".git"
-	// https://git-scm.com/docs/gitrepository-layout
-	repoID := be.RepoID(name)
-	reposDir := be.ReposDir()
-	err := git.EnsureWithin(reposDir, repoID)
-	if err != nil {
-		return err
-	}
-	repoPath := filepath.Join(reposDir, repoID)
-	serviceCmd := git.ServiceCommand{
-		Stdin:  sesh,
-		Stdout: sesh,
-		Stderr: sesh.Stderr(),
-		Dir:    repoPath,
-		Env:    sesh.Environ(),
-	}
-
-	if cmd == "git-receive-pack" {
-		err := git.ReceivePack(sesh.Context(), serviceCmd)
-		if err != nil {
-			return err
-		}
-	} else if cmd == "git-upload-pack" {
-		err := git.UploadPack(sesh.Context(), serviceCmd)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-} */