diff --git a/src/Views/ProcessView/ProcessInfoView/OpenFilesTreeView.vala b/src/Views/ProcessView/ProcessInfoView/OpenFilesTreeView.vala
index 372e9ad8..70992c9e 100644
--- a/src/Views/ProcessView/ProcessInfoView/OpenFilesTreeView.vala
+++ b/src/Views/ProcessView/ProcessInfoView/OpenFilesTreeView.vala
@@ -6,15 +6,11 @@
 public class Monitor.OpenFilesTreeView : Gtk.TreeView {
     public new OpenFilesTreeViewModel model;
     private Gtk.TreeViewColumn path_column;
-    private Regex ? regex;
 
     public signal void process_selected (Process process);
 
-    public OpenFilesTreeView (OpenFilesTreeViewModel model) {
-        this.model = model;
-        /* *INDENT-OFF* */
-        regex = /(?i:^.*\.(xpm|png)$)/; // vala-lint=space-before-paren,
-        /* *INDENT-ON* */
+    public OpenFilesTreeView () {
+        this.model = new OpenFilesTreeViewModel ();
 
         show_expanders = false;
 
diff --git a/src/Views/ProcessView/ProcessInfoView/ProcessInfoIOStats.vala b/src/Views/ProcessView/ProcessInfoView/ProcessInfoIOStats.vala
index 8233e9c9..c6696c16 100644
--- a/src/Views/ProcessView/ProcessInfoView/ProcessInfoIOStats.vala
+++ b/src/Views/ProcessView/ProcessInfoView/ProcessInfoIOStats.vala
@@ -20,9 +20,7 @@ public class Monitor.ProcessInfoIOStats : Gtk.Grid {
 
         cancelled_write_bytes_label = create_label (Utils.NO_DATA);
 
-        var model = new OpenFilesTreeViewModel ();
-
-        open_files_tree_view = new OpenFilesTreeView (model);
+        open_files_tree_view = new OpenFilesTreeView ();
 
         var open_files_tree_view_scrolled = new Gtk.ScrolledWindow (null, null) {
             child = open_files_tree_view
diff --git a/subprojects/live-chart b/subprojects/live-chart
new file mode 160000
index 00000000..5a690045
--- /dev/null
+++ b/subprojects/live-chart
@@ -0,0 +1 @@
+Subproject commit 5a690045f2e3df1d78ff0ea1e5df6470a6760639