diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 59ae27b77572..8b99a57a78f4 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -6029,7 +6029,6 @@ function BrowserSetForcedCharacterSet(aCharset)
 
 function BrowserSetForcedDetector(doReload)
 {
-  gBrowser.docShell.forcedDetector = true;
   if (doReload)
     BrowserReloadWithFlags(nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
 }
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index c84e62ce7d52..620c9bb28e8f 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -1896,18 +1896,6 @@ NS_IMETHODIMP nsDocShell::GetForcedCharset(nsIAtom ** aResult)
   return NS_OK;
 }
 
-NS_IMETHODIMP nsDocShell::SetForcedDetector(bool aForced)
-{
-  // XXX write me
-  return NS_OK;
-}
-
-NS_IMETHODIMP nsDocShell::GetForcedDetector(bool * aResult)
-{
-  // XXX write me
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsDocShell::SetParentCharset(nsIAtom * aCharset)
 {
   mParentCharset = aCharset;
diff --git a/docshell/base/nsIDocShell.idl b/docshell/base/nsIDocShell.idl
index 99019690d44c..b834360e3dd6 100644
--- a/docshell/base/nsIDocShell.idl
+++ b/docshell/base/nsIDocShell.idl
@@ -592,8 +592,6 @@ interface nsIDocShell : nsISupports
    */
   attribute nsIAtom forcedCharset;
 
-  attribute boolean forcedDetector;
-
   /**
    * In a child docshell, this is the charset of the parent docshell
    */
diff --git a/mobile/xul/chrome/content/bindings/browser.xml b/mobile/xul/chrome/content/bindings/browser.xml
index d5b372882625..f0167168f439 100644
--- a/mobile/xul/chrome/content/bindings/browser.xml
+++ b/mobile/xul/chrome/content/bindings/browser.xml
@@ -654,7 +654,6 @@
          <getter><![CDATA[
             return {
                forcedCharset : this._charset,
-               forcedDetector : false,
                parentCharset : "",
                parentCharsetSource : 0
             }
diff --git a/toolkit/components/viewsource/content/viewSource.js b/toolkit/components/viewsource/content/viewSource.js
index 826710afcd6a..7cdc01dd9a47 100644
--- a/toolkit/components/viewsource/content/viewSource.js
+++ b/toolkit/components/viewsource/content/viewSource.js
@@ -731,7 +731,6 @@ function BrowserSetForcedCharacterSet(aCharset)
 // instead of BrowserReloadWithFlags()
 function BrowserSetForcedDetector(doReload)
 {
-  gBrowser.docShell.forcedDetector = true; 
   if (doReload)
   {
     if (isHistoryEnabled()) {