diff --git a/Mac/MainWindow/Detail/DetailContainerView.swift b/Mac/MainWindow/Detail/DetailContainerView.swift
index a33ee835b..ffc330b37 100644
--- a/Mac/MainWindow/Detail/DetailContainerView.swift
+++ b/Mac/MainWindow/Detail/DetailContainerView.swift
@@ -12,10 +12,6 @@ final class DetailContainerView: NSView {
 
 	@IBOutlet var detailStatusBarView: DetailStatusBarView!
 
-	override var isOpaque: Bool {
-		return true
-	}
-
 	var contentViewConstraints: [NSLayoutConstraint]?
 
 	var contentView: NSView? {
@@ -39,9 +35,4 @@ final class DetailContainerView: NSView {
 			}
 		}
 	}
-
-	override func draw(_ dirtyRect: NSRect) {
-		NSColor.textBackgroundColor.setFill()
-		dirtyRect.fill()
-	}
 }
diff --git a/Mac/MainWindow/Timeline/TimelineContainerView.swift b/Mac/MainWindow/Timeline/TimelineContainerView.swift
index b24710675..e75475405 100644
--- a/Mac/MainWindow/Timeline/TimelineContainerView.swift
+++ b/Mac/MainWindow/Timeline/TimelineContainerView.swift
@@ -33,14 +33,5 @@ final class TimelineContainerView: NSView {
 			}
 		}
 	}
-
-	override var isOpaque: Bool {
-		return true
-	}
-
-	override func draw(_ dirtyRect: NSRect) {
-		NSColor.textBackgroundColor.setFill()
-		dirtyRect.fill()
-	}
 }