diff --git a/OSBindings/Mac/Clock Signal/Documents/MachineDocument.swift b/OSBindings/Mac/Clock Signal/Documents/MachineDocument.swift
index 2c3711fa6..ece8b63c4 100644
--- a/OSBindings/Mac/Clock Signal/Documents/MachineDocument.swift	
+++ b/OSBindings/Mac/Clock Signal/Documents/MachineDocument.swift	
@@ -106,7 +106,6 @@ class MachineDocument:
 		drawLock.lock()
 		machine = nil
 		openGLView.invalidate()
-		openGLView.openGLContext!.makeCurrentContext()
 		actionLock.unlock()
 		drawLock.unlock()