diff --git a/parser/html/nsHtml5Parser.cpp b/parser/html/nsHtml5Parser.cpp
index c56619551ef..bf751a26070 100644
--- a/parser/html/nsHtml5Parser.cpp
+++ b/parser/html/nsHtml5Parser.cpp
@@ -194,13 +194,6 @@ nsHtml5Parser::GetStreamListener(nsIStreamListener** aListener)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsHtml5Parser::ContinueParsing()
-{
-  UnblockParser();
-  return ContinueInterruptedParsing();
-}
-
 NS_IMETHODIMP
 nsHtml5Parser::ContinueInterruptedParsing()
 {
diff --git a/parser/html/nsHtml5Parser.h b/parser/html/nsHtml5Parser.h
index 4a9ee9c36d0..9ef9b11d27c 100644
--- a/parser/html/nsHtml5Parser.h
+++ b/parser/html/nsHtml5Parser.h
@@ -140,11 +140,6 @@ class nsHtml5Parser : public nsIParser,
      */
     NS_IMETHOD GetStreamListener(nsIStreamListener** aListener);
 
-    /**
-     * Unblocks parser and calls ContinueInterruptedParsing()
-     */
-    NS_IMETHOD        ContinueParsing();
-
     /**
      * If scripts are not executing, maybe flushes tree builder and parses
      * until suspension.
diff --git a/parser/htmlparser/public/nsIParser.h b/parser/htmlparser/public/nsIParser.h
index dcf71a86445..c4dbedd150c 100644
--- a/parser/htmlparser/public/nsIParser.h
+++ b/parser/htmlparser/public/nsIParser.h
@@ -55,9 +55,8 @@
 #include "nsIAtom.h"
 
 #define NS_IPARSER_IID \
-{ 0xa44dc586, 0xc521, 0x40a1, \
-{ 0xa0, 0xaf, 0xbe, 0x02, 0xa5, 0x51, 0xe0, 0xb7 } }
-
+{ 0x3db442c2, 0x8a4d, 0x4ce4, \
+{ 0x86, 0x58, 0x48, 0xee, 0x55, 0x4b, 0xbb, 0xd4 } }
 
 // {41421C60-310A-11d4-816F-000064657374}
 #define NS_IDEBUG_DUMP_CONTENT_IID \
@@ -207,9 +206,6 @@ class nsIParser : public nsISupports {
      *  (which may or may not be a proxy for the NGLayout content model).
      ************************************************************************/
     
-    // Call this method to resume the parser from the blocked state.
-    NS_IMETHOD ContinueParsing() = 0;
-
     // Call this method to resume the parser from an unblocked state.
     // This can happen, for example, if parsing was interrupted and then the
     // consumer needed to restart the parser without waiting for more data.
diff --git a/parser/htmlparser/src/nsParser.cpp b/parser/htmlparser/src/nsParser.cpp
index 8ccceb80c7a..e15e61e3497 100644
--- a/parser/htmlparser/src/nsParser.cpp
+++ b/parser/htmlparser/src/nsParser.cpp
@@ -1781,19 +1781,6 @@ nsParser::Terminate(void)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsParser::ContinueParsing()
-{
-  if (mFlags & NS_PARSER_FLAG_PARSER_ENABLED) {
-    NS_WARNING("Trying to continue parsing on a unblocked parser.");
-    return NS_OK;
-  }
-
-  mFlags |= NS_PARSER_FLAG_PARSER_ENABLED;
-
-  return ContinueInterruptedParsing();
-}
-
 NS_IMETHODIMP
 nsParser::ContinueInterruptedParsing()
 {
diff --git a/parser/htmlparser/src/nsParser.h b/parser/htmlparser/src/nsParser.h
index 3100bf511cb..c34133833e5 100644
--- a/parser/htmlparser/src/nsParser.h
+++ b/parser/htmlparser/src/nsParser.h
@@ -229,16 +229,6 @@ class nsParser : public nsIParser,
      */
     NS_IMETHOD BuildModel(void);
 
-    /**
-     *  Call this when you want control whether or not the parser will parse
-     *  and tokenize input (TRUE), or whether it just caches input to be 
-     *  parsed later (FALSE).
-     *  
-     *  @update  gess 9/1/98
-     *  @param   aState determines whether we parse/tokenize or just cache.
-     *  @return  current state
-     */
-    NS_IMETHOD        ContinueParsing();
     NS_IMETHOD        ContinueInterruptedParsing();
     NS_IMETHOD_(void) BlockParser();
     NS_IMETHOD_(void) UnblockParser();