diff --git a/aegisub/src/libresrc/default_config.json b/aegisub/src/libresrc/default_config.json
index e8d4cd987..d259ed59b 100644
--- a/aegisub/src/libresrc/default_config.json
+++ b/aegisub/src/libresrc/default_config.json
@@ -461,8 +461,6 @@
 			"Fast Jump Step" : 10,
 			"Show Keyframes" : true
 		},
-		"Subtitle Sync" : true,
-		"Threaded" : false,
-		"Visual Realtime" : true
+		"Subtitle Sync" : true
 	}
 }