diff --git a/src/General/Build.Test.coffee b/src/General/Build.Test.coffee
index 041659866..5e65a1fe1 100644
--- a/src/General/Build.Test.coffee
+++ b/src/General/Build.Test.coffee
@@ -18,6 +18,33 @@ Build.Test =
     Header.menu.addEntry
       el: a2
 
+  normalize: (root) ->
+    root2 = root.cloneNode true
+    for el in $$ '.mobile', root2
+      $.rm el
+    for el in $$ 'a[href]', root2
+      href = el.href
+      href = href.replace /(^\w+:\/\/boards.4chan.org\/[^\/]+\/thread\/\d+)\/.*/, '$1'
+      el.setAttribute 'href', href
+    for el in $$ 'img[src]', root2
+      el.src = el.src.replace /(spoiler-\w+)\d(\.png)$/, '$11$2'
+    for el in $$ 'pre.prettyprinted', root2
+      nodes = $.X './/br|.//wbr|.//text()', el
+      i = 0
+      nodes = (node while (node = nodes.snapshotItem i++))
+      $.rmAll el
+      $.add el, nodes
+      el.normalize()
+      $.rmClass el, 'prettyprinted'
+    for el in $$ 'pre[style=""]', root2
+      el.removeAttribute 'style'
+    textNodes = $.X './/text()', root2
+    i = 0
+    while node = textNodes.snapshotItem i++
+      node.data = node.data.replace /\ +/g, ' '
+      $.rm node if node.data is ''
+    root2
+
   firstDiff: (x, y) ->
     x2 = x.cloneNode false
     y2 = y.cloneNode false
diff --git a/src/classes/Post.coffee b/src/classes/Post.coffee
index 7d694e9a1..7edc7a39c 100644
--- a/src/classes/Post.coffee
+++ b/src/classes/Post.coffee
@@ -3,31 +3,7 @@ class Post
 
   constructor: (root, @thread, @board) ->
     <% if (readJSON('/.tests_enabled')) { %>
-    root2 = root.cloneNode true
-    for el in $$ '.mobile', root2
-      $.rm el
-    for el in $$ 'a[href]', root2
-      href = el.href
-      href = href.replace /(^\w+:\/\/boards.4chan.org\/[^\/]+\/thread\/\d+)\/.*/, '$1'
-      el.setAttribute 'href', href
-    for el in $$ 'img[src]', root2
-      el.src = el.src.replace /(spoiler-\w+)\d(\.png)$/, '$11$2'
-    for el in $$ 'pre.prettyprinted', root2
-      nodes = $.X './/br|.//wbr|.//text()', el
-      i = 0
-      nodes = (node while (node = nodes.snapshotItem i++))
-      $.rmAll el
-      $.add el, nodes
-      el.normalize()
-      $.rmClass el, 'prettyprinted'
-    for el in $$ 'pre[style=""]', root2
-      el.removeAttribute 'style'
-    textNodes = $.X './/text()', root2
-    i = 0
-    while node = textNodes.snapshotItem i++
-      node.data = node.data.replace /\ +/g, ' '
-      $.rm node if node.data is ''
-    @normalizedOriginal = root2
+    @normalizedOriginal = Build.Test.normalize root
     <% } %>
 
     @ID      = +root.id[2..]