diff --git a/src/resources/filters/ast/customnodes.lua b/src/resources/filters/ast/customnodes.lua
index 0727f64d85f..a36bf6a3a09 100644
--- a/src/resources/filters/ast/customnodes.lua
+++ b/src/resources/filters/ast/customnodes.lua
@@ -249,42 +249,6 @@ function create_emulated_node(t, tbl, context, forwarder)
   return result, custom_node_data[id]
 end
 
--- walk_meta walks a Pandoc Meta object, applying the filter to each node
--- and recursing on lists and objects. It mutates the meta object in place
--- and returns it.
---
--- It performs slightly more work than a regular walk filter because of the
--- ambiguity around single-element lists and objects.
-function walk_meta(meta, filter)
-  local skip = {
-    ["nil"] = true,
-    number = true,
-    boolean = true,
-    string = true,
-    ["function"] = true,
-  }
-  local iterate = {
-    Meta = true,
-    List = true,
-  }
-  local function walk(obj)
-    local t = type(obj)
-    if skip[t] then
-      return obj
-    end
-    local pt = quarto.utils.type(obj)
-    if iterate[pt] then
-      for k, v in pairs(obj) do
-        obj[k] = walk(v)
-      end
-    else
-      return _quarto.ast.walk(obj, filter)
-    end
-    return obj
-  end
-  return walk(meta)
-end
-
 _quarto.ast = {
   vault = {
     _uuid = "3ade8a4a-fb1d-4a6c-8409-ac45482d5fc9",
@@ -541,8 +505,6 @@ _quarto.ast = {
 
   walk = run_emulated_filter,
 
-  walk_meta = walk_meta,
-
   writer_walk = function(doc, filter)
     local old_custom_walk = filter.Custom
     local function custom_walk(node)
diff --git a/src/resources/filters/normalize/extractquartodom.lua b/src/resources/filters/normalize/extractquartodom.lua
index 2575585690e..f562adc5711 100644
--- a/src/resources/filters/normalize/extractquartodom.lua
+++ b/src/resources/filters/normalize/extractquartodom.lua
@@ -49,11 +49,6 @@ function parse_md_in_html_rawblocks()
       end
       return result
     end,
-    -- Meta = function(meta)
-    --   local filter = parse_md_in_html_rawblocks()
-    --   local result = _quarto.ast.walk_meta(meta, filter)
-    --   return result
-    -- end,
   }
 end