diff --git a/stream/mts/psi/op.go b/stream/mts/psi/op.go
index cebea13a..55f9df8d 100644
--- a/stream/mts/psi/op.go
+++ b/stream/mts/psi/op.go
@@ -85,11 +85,7 @@ func TimeFrom(p []byte) (t uint64, err error) {
 	if err != nil {
 		return 0, err
 	}
-	// TODO: could probably write a byte slice to int func, so that this would
-	// be replaced by extraction of time data slice and then call to conversion func
-	for i := range p[timeDataIndx : timeDataIndx+timeDataSize] {
-		t |= uint64(p[i+timeDataIndx]) << uint(56-i*timeDataSize)
-	}
+	t = binary.BigEndian.Uint64(p[timeDataIndx : timeDataIndx+timeDataSize])
 	return t, nil
 }