diff --git a/internal_test.go b/internal_test.go
index 516ada82..bd7d237a 100644
--- a/internal_test.go
+++ b/internal_test.go
@@ -364,14 +364,14 @@ var _ = Describe("ClusterClient", func() {
 		It("select slot from args for GETKEYSINSLOT command", func() {
 			cmd := NewStringSliceCmd(ctx, "cluster", "getkeysinslot", 100, 200)
 
-			slot := client.cmdSlot(context.Background(), cmd)
+			slot := client.cmdSlot(cmd)
 			Expect(slot).To(Equal(100))
 		})
 
 		It("select slot from args for COUNTKEYSINSLOT command", func() {
 			cmd := NewStringSliceCmd(ctx, "cluster", "countkeysinslot", 100)
 
-			slot := client.cmdSlot(context.Background(), cmd)
+			slot := client.cmdSlot(cmd)
 			Expect(slot).To(Equal(100))
 		})
 	})
diff --git a/osscluster.go b/osscluster.go
index c0278ed0..39871b21 100644
--- a/osscluster.go
+++ b/osscluster.go
@@ -981,7 +981,7 @@ func (c *ClusterClient) Process(ctx context.Context, cmd Cmder) error {
 }
 
 func (c *ClusterClient) process(ctx context.Context, cmd Cmder) error {
-	slot := c.cmdSlot(ctx, cmd)
+	slot := c.cmdSlot(cmd)
 	var node *clusterNode
 	var moved bool
 	var ask bool
@@ -1329,7 +1329,7 @@ func (c *ClusterClient) mapCmdsByNode(ctx context.Context, cmdsMap *cmdsMap, cmd
 
 	if c.opt.ReadOnly && c.cmdsAreReadOnly(ctx, cmds) {
 		for _, cmd := range cmds {
-			slot := c.cmdSlot(ctx, cmd)
+			slot := c.cmdSlot(cmd)
 			node, err := c.slotReadOnlyNode(state, slot)
 			if err != nil {
 				return err
@@ -1340,7 +1340,7 @@ func (c *ClusterClient) mapCmdsByNode(ctx context.Context, cmdsMap *cmdsMap, cmd
 	}
 
 	for _, cmd := range cmds {
-		slot := c.cmdSlot(ctx, cmd)
+		slot := c.cmdSlot(cmd)
 		node, err := state.slotMasterNode(slot)
 		if err != nil {
 			return err
@@ -1540,7 +1540,7 @@ func (c *ClusterClient) processTxPipeline(ctx context.Context, cmds []Cmder) err
 func (c *ClusterClient) mapCmdsBySlot(ctx context.Context, cmds []Cmder) map[int][]Cmder {
 	cmdsMap := make(map[int][]Cmder)
 	for _, cmd := range cmds {
-		slot := c.cmdSlot(ctx, cmd)
+		slot := c.cmdSlot(cmd)
 		cmdsMap[slot] = append(cmdsMap[slot], cmd)
 	}
 	return cmdsMap
@@ -1569,7 +1569,7 @@ func (c *ClusterClient) processTxPipelineNode(
 }
 
 func (c *ClusterClient) processTxPipelineNodeConn(
-	ctx context.Context, node *clusterNode, cn *pool.Conn, cmds []Cmder, failedCmds *cmdsMap,
+	ctx context.Context, _ *clusterNode, cn *pool.Conn, cmds []Cmder, failedCmds *cmdsMap,
 ) error {
 	if err := cn.WithWriter(c.context(ctx), c.opt.WriteTimeout, func(wr *proto.Writer) error {
 		return writeCmds(wr, cmds)
@@ -1858,7 +1858,7 @@ func (c *ClusterClient) cmdInfo(ctx context.Context, name string) *CommandInfo {
 	return info
 }
 
-func (c *ClusterClient) cmdSlot(ctx context.Context, cmd Cmder) int {
+func (c *ClusterClient) cmdSlot(cmd Cmder) int {
 	args := cmd.Args()
 	if args[0] == "cluster" && (args[1] == "getkeysinslot" || args[1] == "countkeysinslot") {
 		return args[2].(int)