diff --git a/parser/htmlparser/public/nsIDTD.h b/parser/htmlparser/public/nsIDTD.h
index c09161770343..87bc00436861 100644
--- a/parser/htmlparser/public/nsIDTD.h
+++ b/parser/htmlparser/public/nsIDTD.h
@@ -128,22 +128,6 @@ public:
      */
     NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser) = 0;
 
-    /**
-     * If the parse process gets interrupted midway, this method is
-     * called by the parser prior to resuming the process.
-     * @update  gess5/18/98
-     * @return ignored
-     */
-    NS_IMETHOD WillResumeParse(nsIContentSink* aSink) = 0;
-
-    /**
-     * If the parse process gets interrupted, this method is called by
-     * the parser to notify the DTD that interruption will occur.
-     * @update  gess5/18/98
-     * @return ignored
-     */
-    NS_IMETHOD WillInterruptParse(nsIContentSink* aSink) = 0;
-
     /**
      * This method is called to determine whether or not a tag of one
      * type can contain a tag of another type.
@@ -193,8 +177,6 @@ NS_DEFINE_STATIC_IID_ACCESSOR(nsIDTD, NS_IDTD_IID)
     NS_IMETHOD DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink);\
     NS_IMETHOD BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink);\
     NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);\
-    NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0);\
-    NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0);\
     NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;\
     NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;\
     NS_IMETHOD_(void)  Terminate();\
diff --git a/parser/htmlparser/src/CNavDTD.cpp b/parser/htmlparser/src/CNavDTD.cpp
index 1d82dd83a437..2e35d5a28717 100644
--- a/parser/htmlparser/src/CNavDTD.cpp
+++ b/parser/htmlparser/src/CNavDTD.cpp
@@ -3149,32 +3149,3 @@ CNavDTD::CreateContextStackFor(eHTMLTags aParent, eHTMLTags aChild)
     HandleToken(theToken, mParser);
   }
 }
-
-nsresult
-CNavDTD::WillResumeParse(nsIContentSink* aSink)
-{
-  STOP_TIMER();
-  MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
-
-  nsresult result = aSink ? aSink->WillResume() : NS_OK;
-
-  MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
-  START_TIMER();
-
-  return result;
-}
-
-nsresult
-CNavDTD::WillInterruptParse(nsIContentSink* aSink)
-{
-  STOP_TIMER();
-  MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
-
-  nsresult result = aSink ? aSink->WillInterrupt() : NS_OK;
-
-  MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
-  START_TIMER();
-
-  return result;
-}
-
diff --git a/parser/htmlparser/src/nsExpatDriver.cpp b/parser/htmlparser/src/nsExpatDriver.cpp
index a39e750a3fa8..d776899866ca 100644
--- a/parser/htmlparser/src/nsExpatDriver.cpp
+++ b/parser/htmlparser/src/nsExpatDriver.cpp
@@ -1333,18 +1333,6 @@ nsExpatDriver::WillTokenize(PRBool aIsFinalChunk,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsExpatDriver::WillResumeParse(nsIContentSink* aSink)
-{
-  return aSink ? aSink->WillResume() : NS_OK;
-}
-
-NS_IMETHODIMP
-nsExpatDriver::WillInterruptParse(nsIContentSink* aSink)
-{
-  return aSink ? aSink->WillInterrupt() : NS_OK;
-}
-
 NS_IMETHODIMP
 nsExpatDriver::DidTokenize(PRBool aIsFinalChunk)
 {
diff --git a/parser/htmlparser/src/nsParser.cpp b/parser/htmlparser/src/nsParser.cpp
index 64e36c27842a..3edb21a0aa22 100644
--- a/parser/htmlparser/src/nsParser.cpp
+++ b/parser/htmlparser/src/nsParser.cpp
@@ -2228,7 +2228,7 @@ nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk,
     }
 
     if (mDTD) {
-      mDTD->WillResumeParse(mSink);
+      mSink->WillResume();
       PRBool theIterationIsOk = PR_TRUE;
 
       while (result == NS_OK && theIterationIsOk) {
@@ -2265,10 +2265,7 @@ nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk,
         // If we're told to block the parser, we disable all further parsing
         // (and cache any data coming in) until the parser is re-enabled.
         if (NS_ERROR_HTMLPARSER_BLOCK == result) {
-          if (mDTD) {
-            mDTD->WillInterruptParse(mSink);
-          }
-
+          mSink->WillInterrupt();
           if (mFlags & NS_PARSER_FLAG_PARSER_ENABLED) {
             // If we were blocked by a recursive invocation, don't re-block.
             BlockParser();
@@ -2324,7 +2321,7 @@ nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk,
               result = mInternalState;
               aIsFinalChunk = mParserContext &&
                               mParserContext->mStreamListenerState == eOnStop;
-              // ...then intentionally fall through to WillInterruptParse()...
+              // ...then intentionally fall through to mSink->WillInterrupt()...
             }
           }
         }
@@ -2332,9 +2329,7 @@ nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk,
         if (theTokenizerResult == kEOF ||
             result == NS_ERROR_HTMLPARSER_INTERRUPTED) {
           result = (result == NS_ERROR_HTMLPARSER_INTERRUPTED) ? NS_OK : result;
-          if (mDTD) {
-            mDTD->WillInterruptParse(mSink);
-          }
+          mSink->WillInterrupt();
         }
       }
     } else {
diff --git a/parser/htmlparser/src/nsViewSourceHTML.cpp b/parser/htmlparser/src/nsViewSourceHTML.cpp
index 62852a62d9b5..93fd4e8d4b1e 100644
--- a/parser/htmlparser/src/nsViewSourceHTML.cpp
+++ b/parser/htmlparser/src/nsViewSourceHTML.cpp
@@ -608,35 +608,6 @@ CViewSourceHTML::GetMode() const
   return eDTDMode_full_standards;
 }
 
-
-/**
- *
- * @update  gess5/18/98
- * @param
- * @return
- */
-NS_IMETHODIMP CViewSourceHTML::WillResumeParse(nsIContentSink* aSink){
-  nsresult result = NS_OK;
-  if(mSink) {
-    result = mSink->WillResume();
-  }
-  return result;
-}
-
-/**
- *
- * @update  gess5/18/98
- * @param
- * @return
- */
-NS_IMETHODIMP CViewSourceHTML::WillInterruptParse(nsIContentSink* aSink){
-  nsresult result = NS_OK;
-  if(mSink) {
-    result = mSink->WillInterrupt();
-  }
-  return result;
-}
-
 /**
  * Called by the parser to enable/disable dtd verification of the
  * internal context stack.