diff --git a/MetaballsKit/PreferencesViewController.swift b/MetaballsKit/PreferencesViewController.swift
index 82befe2..d533af5 100644
--- a/MetaballsKit/PreferencesViewController.swift
+++ b/MetaballsKit/PreferencesViewController.swift
@@ -76,23 +76,13 @@ class PreferencesViewController: NSViewController {
         ])
 
         colorStackView.addArrangedSubview(styleMenu)
-        var firstColorView: ColorView? = nil
-        var constraints = [NSLayoutConstraint]()
         for i in 0..<4 {
             let colorView = ColorView()
             colorView.translatesAutoresizingMaskIntoConstraints = false
             colorView.label.stringValue = "Color \(i+1)"
             colorStackView.addArrangedSubview(colorView)
             colorViews.append(colorView)
-
-            if let firstColorView = firstColorView {
-                let constraint = colorView.widthAnchor.constraint(equalTo: firstColorView.widthAnchor, multiplier: 1)
-                constraints.append(constraint)
-            } else {
-                firstColorView = colorView
-            }
         }
-        NSLayoutConstraint.activate(constraints)
 
         self.view = view
     }