diff --git a/data/core/init.lua b/data/core/init.lua
index bb3647ec..a85b5d0d 100644
--- a/data/core/init.lua
+++ b/data/core/init.lua
@@ -1158,7 +1158,7 @@ end
 
 
 -- no-op but can be overrided by plugins
-function core.on_dirmonitor_modify(dir, filepath)
+function core.on_dirmonitor_modify()
 end
 
 
diff --git a/data/plugins/treeview.lua b/data/plugins/treeview.lua
index f7c7f5ba..b6de33b2 100644
--- a/data/plugins/treeview.lua
+++ b/data/plugins/treeview.lua
@@ -45,14 +45,6 @@ function TreeView:new()
 
   self.item_icon_width = 0
   self.item_text_spacing = 0
-
-  local on_dirmonitor_modify = core.on_dirmonitor_modify
-  function core.on_dirmonitor_modify(dir, filepath)
-    if self.cache[dir.name] then
-      self.cache[dir.name][filepath] = nil
-    end
-    on_dirmonitor_modify(dir, filepath)
-  end
 end