diff --git a/pkg/local_object_storage/shard/mode/mode.go b/pkg/local_object_storage/shard/mode/mode.go
index 49c888d63..461611465 100644
--- a/pkg/local_object_storage/shard/mode/mode.go
+++ b/pkg/local_object_storage/shard/mode/mode.go
@@ -8,27 +8,25 @@ type Mode uint32
 const (
 	// ReadWrite is a Mode value for shard that is available
 	// for read and write operations. Default shard mode.
-	ReadWrite Mode = 0
+	ReadWrite Mode = 0b000
 
-	// DegradedReadOnly is a Mode value for shard that is set automatically
-	// after a certain number of errors is encountered. It is the same as
-	// `mode.Degraded` but also is read-only.
-	DegradedReadOnly = Degraded | ReadOnly
+	// ReadOnly is a Mode value for shard that does not
+	// accept write operation but is readable.
+	ReadOnly Mode = 0b001
+
+	// Degraded is a Mode value for shard when the metabase is unavailable.
+	// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
+	Degraded Mode = 0b010
 
 	// Disabled mode is a mode where a shard is disabled.
 	// An existing shard can't have this mode, but it can be used in
 	// the configuration or control service commands.
-	Disabled = math.MaxUint32
-)
+	Disabled Mode = math.MaxUint32
 
-const (
-	// ReadOnly is a Mode value for shard that does not
-	// accept write operation but is readable.
-	ReadOnly Mode = 1 << iota
-
-	// Degraded is a Mode value for shard when the metabase is unavailable.
-	// It is hard to perform some modifying operations in this mode, thus it can only be set by an administrator.
-	Degraded
+	// DegradedReadOnly is a Mode value for shard that is set automatically
+	// after a certain number of errors is encountered. It is the same as
+	// `mode.Degraded` but also is read-only.
+	DegradedReadOnly Mode = Degraded | ReadOnly
 )
 
 func (m Mode) String() string {