diff --git a/internal/datanode/data_node_test.go b/internal/datanode/data_node_test.go
index fd8ffd3e51..95c80e7626 100644
--- a/internal/datanode/data_node_test.go
+++ b/internal/datanode/data_node_test.go
@@ -628,9 +628,6 @@ func TestDataNode(t *testing.T) {
 	})
 
 	t.Run("Test BackGroundGC", func(t *testing.T) {
-		ctx, cancel := context.WithCancel(context.Background())
-		node := newIDLEDataNodeMock(ctx, schemapb.DataType_Int64)
-
 		vchanNameCh := make(chan string)
 		node.clearSignal = vchanNameCh
 		go node.BackGroundGC(vchanNameCh)