diff --git a/mozilla/content/html/document/src/nsHTMLContentSink.cpp b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
index e46eb7327f5..0ddbaa27367 100644
--- a/mozilla/content/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
@@ -477,7 +477,6 @@ public:
   PRUnichar* mText;
   PRInt32 mTextLength;
   PRInt32 mTextSize;
-  PRInt32 mIgnoredOpenCount;
 };
 
 //----------------------------------------------------------------------
@@ -1158,7 +1157,6 @@ SinkContext::SinkContext(HTMLContentSink* aSink)
   mTextSize = 0;
   mLastTextNode = nsnull;
   mLastTextNodeSize = 0;
-  mIgnoredOpenCount = 0;
 }
 
 SinkContext::~SinkContext()
@@ -1297,13 +1295,6 @@ SinkContext::OpenContainer(const nsIParserNode& aNode)
   SINK_TRACE_NODE(SINK_TRACE_CALLS,
                   "SinkContext::OpenContainer", aNode, mStackPos, mSink);
 
-  // XXX - Hack to handle stack over flow ( Bug 18480 )
-  if (mStackPos > 1000) {
-    mIgnoredOpenCount++;
-    return AddLeaf(aNode);
-  }
-  // XXX - Hack Ends
-
   nsresult rv;
   if (mStackPos + 1 > mStackSize) {
     rv = GrowStack();
@@ -1405,13 +1396,6 @@ SinkContext::CloseContainer(const nsIParserNode& aNode)
 {
   nsresult result = NS_OK;
 
-  // XXX - Hack to handle stack over flow ( Bug 18480 )
-  if (mIgnoredOpenCount) {
-    mIgnoredOpenCount--;
-    return NS_OK;
-  }
-  // XXX -Hack Ends.
-
   // Flush any collected text content. Release the last text
   // node to indicate that no more should be added to it.
   FlushTextAndRelease();
diff --git a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
index e46eb7327f5..0ddbaa27367 100644
--- a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
@@ -477,7 +477,6 @@ public:
   PRUnichar* mText;
   PRInt32 mTextLength;
   PRInt32 mTextSize;
-  PRInt32 mIgnoredOpenCount;
 };
 
 //----------------------------------------------------------------------
@@ -1158,7 +1157,6 @@ SinkContext::SinkContext(HTMLContentSink* aSink)
   mTextSize = 0;
   mLastTextNode = nsnull;
   mLastTextNodeSize = 0;
-  mIgnoredOpenCount = 0;
 }
 
 SinkContext::~SinkContext()
@@ -1297,13 +1295,6 @@ SinkContext::OpenContainer(const nsIParserNode& aNode)
   SINK_TRACE_NODE(SINK_TRACE_CALLS,
                   "SinkContext::OpenContainer", aNode, mStackPos, mSink);
 
-  // XXX - Hack to handle stack over flow ( Bug 18480 )
-  if (mStackPos > 1000) {
-    mIgnoredOpenCount++;
-    return AddLeaf(aNode);
-  }
-  // XXX - Hack Ends
-
   nsresult rv;
   if (mStackPos + 1 > mStackSize) {
     rv = GrowStack();
@@ -1405,13 +1396,6 @@ SinkContext::CloseContainer(const nsIParserNode& aNode)
 {
   nsresult result = NS_OK;
 
-  // XXX - Hack to handle stack over flow ( Bug 18480 )
-  if (mIgnoredOpenCount) {
-    mIgnoredOpenCount--;
-    return NS_OK;
-  }
-  // XXX -Hack Ends.
-
   // Flush any collected text content. Release the last text
   // node to indicate that no more should be added to it.
   FlushTextAndRelease();