How to delete dynamic buttons in run time?

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C#

i created dynamic buttons using following code in run times using visual studio in c#. now i want to deleting some buttons that i created in run time.how can i do that

What I have tried:

Button dynamicButton = new Button();
dynamicButton.Location = new Point(300 + tx4, 200 + tx3);
dynamicButton.Height = nh;
dynamicButton.Width = nw;
dynamicButton.BackColor = Color.Gray;
dynamicButton.ForeColor = Color.Blue;
dynamicButton.Click += new EventHandler(DynamicButton_Click);
Controls.Add(dynamicButton);