diff --git a/suite/browser/jar.mn b/suite/browser/jar.mn
index b31a907566c..9828039ec0f 100644
--- a/suite/browser/jar.mn
+++ b/suite/browser/jar.mn
@@ -24,7 +24,6 @@ comm.jar:
    content/navigator/searchconfig.properties
    content/navigator/sessionHistoryUI.js
    content/navigator/tabbrowser.xml
-   content/navigator/turboDialog.xul
    content/navigator/urlbarBindings.xml
    content/navigator/viewsource.js
    content/navigator/viewSource.xul
diff --git a/suite/browser/navigator.js b/suite/browser/navigator.js
index 98b4cb55d82..b3b09fc011a 100644
--- a/suite/browser/navigator.js
+++ b/suite/browser/navigator.js
@@ -581,7 +581,6 @@ function Startup()
   contentArea.addEventListener("pageshow", pageShowEventHandlers, true);
   contentArea.addEventListener("focus", contentAreaFrameFocus, true);
 
-  var turboMode = false;
   // set default character set if provided
   if ("arguments" in window && window.arguments.length > 1 && window.arguments[1]) {
     if (window.arguments[1].indexOf("charset=") != -1) {
@@ -590,8 +589,6 @@ function Startup()
         //we should "inherit" the charset menu setting in a new window
         getMarkupDocumentViewer().defaultCharacterSet = arrayArgComponents[1];
       }
-    } else if (window.arguments[1].indexOf("turbo=yes") != -1) {
-      turboMode = true;
     }
   }
 
@@ -663,17 +660,6 @@ function Startup()
       }
     }
 
-    // Close the window now, if it's for turbo mode startup.
-    if ( turboMode ) {
-        // Set "command line used" flag.  If we don't do this, then when a cmd line url
-        // for a "real* invocation comes in, we will override it with the "cmd line url"
-        // from the turbo-mode process (i.e., the home page).
-        appCore.cmdLineURLUsed = true;
-        // For some reason, window.close() directly doesn't work, so do it in the future.
-        window.setTimeout( "window.close()", 100 );
-        return;
-    }
-
     // Focus the content area unless we're loading a blank page, or if
     // we weren't passed any arguments. This "breaks" the
     // javascript:window.open(); case where we don't get any arguments
diff --git a/suite/browser/turboDialog.xul b/suite/browser/turboDialog.xul
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/suite/common/pref/pref-advanced.xul b/suite/common/pref/pref-advanced.xul
index 8732b872681..821e6cfd72a 100644
--- a/suite/common/pref/pref-advanced.xul
+++ b/suite/common/pref/pref-advanced.xul
@@ -55,93 +55,10 @@
     var _elementIDs = ["advancedJavaAllow", "systemPrefCheck"];
 
     function Startup() {
-      turboCheck();
       sysPrefCheck();
       initJVMConfigList();
     }
 
-    /* 
-     * Name: turboCheck()
-     * 
-     * Arguments: none
-     *
-     * Description: This function is called when the root advanced prefs panel
-     * is loaded. The turbo mode setting is not exactly a preference -- setting
-     * the checkbox should (on leaving the prefs with an "Ok") result in a call
-     * to the backend to do the necessary win32 registry twiddling needed for
-     * turbo mode to go into effect. Clearing it should undo this work. We need
-     * to call the backend to determine if turbo mode is enabled (since we are 
-     * required to check for it in a non-trivial way) and then explicitly set the
-     * checkbox here based on what we find. Finally, we have to hide the checkbox
-     * (and the group box that frames it) if we are not executing on a Win32 
-     * platform.
-     *
-     * Return Value: void
-     *
-     * Original Code: syd@netscape.com 6/8/2001
-     *
-    */
-
-    function turboCheck()
-    {
-      var frame = document.getElementById("perfSettings");
-      if (navigator.platform != "Win32") {
-        frame.hidden = true;
-        return;
-      }
-      if (!("isTurboEnabled" in parent))
-        parent.isTurboEnabled = -1;
-      else {
-        document.getElementById("enableTurbo").checked = parent.isTurboEnabled;
-        return;
-      }
-      var winhooksService = Components.classes["@mozilla.org/winhooks;1"].getService(Components.interfaces.nsIWindowsHooks);
-      if (winhooksService) {
-        parent.isTurboEnabled = winhooksService.isOptionEnabled("-turbo");
-        document.getElementById("enableTurbo").checked = parent.isTurboEnabled;
-      }
-
-      parent.hPrefWindow.registerOKCallbackFunc( saveTurboSetting );
-    }
-
-    /* 
-     * Name: saveTurboSetting()
-     * 
-     * Arguments: none
-     *
-     * Description: This function is called when the user hits the OK button in
-     * the preferences panel. The function determines what the turbo "preference" 
-     * setting is and performs the appropriate action to enable or disable turbo mode.
-     *
-     * Return Value: void
-     *
-     * Original Code: syd@netscape.com 6/9/2001
-     *
-    */
-
-    function saveTurboSetting() {
-      if (navigator.platform != "Win32")
-        return;   
-
-      var winhooksService = Components.classes["@mozilla.org/winhooks;1"].getService(Components.interfaces.nsIWindowsHooks);
-      if (winhooksService && parent.isTurboEnabled != -1) {
-        if (parent.isTurboEnabled)
-          winhooksService.startupAddOption("-turbo");
-        else 
-          winhooksService.startupRemoveOption("-turbo");
-        var appStartup = Components.classes["@mozilla.org/toolkit/app-startup;1"].
-                           getService(Components.interfaces.nsIAppStartup);
-        var nativeAppSupport = null;
-        try {
-          nativeAppSupport = appStartup.nativeAppSupport;
-        }
-        catch ( ex ) {
-        }
-        if (nativeAppSupport)
-          nativeAppSupport.isServerMode = parent.isTurboEnabled;
-        }
-      }
-
     function sysPrefCheck() {
       var frame = document.getElementById("systemPrefs");
       if ("@mozilla.org/system-preference-service;1" in Components.classes)
@@ -352,17 +269,6 @@
     </tree>
   </groupbox>
 
-  <groupbox id="perfSettings">
-    <caption id="perfLabel" label="&prefTurbo.caption;"/>
-    <vbox id="perfBox" align="start">
-      <checkbox id="enableTurbo" label="&enableTurbo.label;"
-                accesskey="&enableTurboCheck.accesskey;"
-                oncommand="parent.isTurboEnabled = this.checked;"/>
-      <vbox class="indent" flex="1">
-        <description>&prefTurbo.desc;</description>
-      </vbox>
-    </vbox>
-  </groupbox>
   <groupbox id="systemPrefs">
     <caption id="systemPrefCaption" label="&systemPref.caption;"/>
     <vbox id="systemPrefBox" align="start">
diff --git a/suite/locales/en-US/chrome/browser/turboDialog.dtd b/suite/locales/en-US/chrome/browser/turboDialog.dtd
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/suite/locales/en-US/chrome/browser/turboMenu.properties b/suite/locales/en-US/chrome/browser/turboMenu.properties
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/suite/locales/en-US/chrome/common/pref/pref-advanced.dtd b/suite/locales/en-US/chrome/common/pref/pref-advanced.dtd
index ae0d4e71e64..4c38ae70ff7 100644
--- a/suite/locales/en-US/chrome/common/pref/pref-advanced.dtd
+++ b/suite/locales/en-US/chrome/common/pref/pref-advanced.dtd
@@ -7,12 +7,6 @@
 <!ENTITY enbJavaCheck.label         "Enable Java">
 <!ENTITY enbJavaCheck.accesskey     "J">
 
-<!ENTITY prefTurbo.caption          "Quick Launch">
-<!ENTITY enableTurbo.label          "Keep &brandShortName; in memory to improve startup performance">
-<!ENTITY enableTurboCheck.accesskey "K">
-
-<!ENTITY prefTurbo.desc             "If you check this item, part of &brandShortName; will stay in memory when not in use, allowing it to start up more quickly.">
-
 <!ENTITY prefJvmConf.caption        "Select Java version (change requires restart)">
 <!ENTITY jvm.name                   "Version">
 <!ENTITY jvm.home                   "Path">
diff --git a/suite/locales/en-US/chrome/mailnews/mailTurboMenu.properties b/suite/locales/en-US/chrome/mailnews/mailTurboMenu.properties
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/suite/locales/jar.mn b/suite/locales/jar.mn
index 71eb950c43f..e395bff89cd 100644
--- a/suite/locales/jar.mn
+++ b/suite/locales/jar.mn
@@ -236,7 +236,6 @@
   locale/@AB_CD@/messenger/mailOverlay.dtd                                  (%chrome/mailnews/mailOverlay.dtd)
   locale/@AB_CD@/messenger/mailPrefsOverlay.dtd                             (%chrome/mailnews/pref/mailPrefsOverlay.dtd)
   locale/@AB_CD@/messenger/mailTasksOverlay.dtd                             (%chrome/mailnews/mailTasksOverlay.dtd)
-  locale/@AB_CD@/messenger/mailTurboMenu.properties                         (%chrome/mailnews/mailTurboMenu.properties)
   locale/@AB_CD@/messenger/mailViewList.dtd                                 (%chrome/mailnews/mailViewList.dtd)
   locale/@AB_CD@/messenger/mailViewSetup.dtd                                (%chrome/mailnews/mailViewSetup.dtd)
   locale/@AB_CD@/messenger/mailviews.properties                             (%chrome/mailnews/mailviews.properties)
@@ -320,8 +319,6 @@
   locale/@AB_CD@/navigator/pageInfo.properties                              (%chrome/browser/pageInfo.properties)
   locale/@AB_CD@/navigator/tabbrowser.dtd                                   (%chrome/browser/tabbrowser.dtd)
   locale/@AB_CD@/navigator/tabbrowser.properties                            (%chrome/browser/tabbrowser.properties)
-  locale/@AB_CD@/navigator/turboDialog.dtd                                  (%chrome/browser/turboDialog.dtd)
-  locale/@AB_CD@/navigator/turboMenu.properties                             (%chrome/browser/turboMenu.properties)
   locale/@AB_CD@/navigator/viewSource.dtd                                   (%chrome/browser/viewSource.dtd)
   locale/@AB_CD@/navigator/viewSource.properties                            (%chrome/browser/viewSource.properties)
   locale/@AB_CD@/navigator-platform/mac/navigator.properties                (%chrome/browser/mac/navigator.properties)
diff --git a/suite/themes/classic/communicator/dialogs.css b/suite/themes/classic/communicator/dialogs.css
index 79f9d9ce2a5..256184e07f5 100644
--- a/suite/themes/classic/communicator/dialogs.css
+++ b/suite/themes/classic/communicator/dialogs.css
@@ -42,10 +42,3 @@
 @import url("chrome://communicator/skin/");
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
-
-/* ::::: turbo confirmation dialog ::::: */
-
-#turboTrayImage {
-  list-style-image: url("chrome://communicator/skin/icons/turbo-systray.gif");
-  border: 2px inset ThreeDFace !important;
-}
diff --git a/suite/themes/classic/jar.mn b/suite/themes/classic/jar.mn
index f761d2ddfd8..3475d0818c3 100644
--- a/suite/themes/classic/jar.mn
+++ b/suite/themes/classic/jar.mn
@@ -64,7 +64,6 @@ classic.jar:
   skin/classic/communicator/icons/lock-broken.png                       (communicator/icons/lock-broken.png)
   skin/classic/communicator/icons/lock-insecure.png                     (communicator/icons/lock-insecure.png)
   skin/classic/communicator/icons/loading.gif                           (communicator/icons/loading.gif)
-  skin/classic/communicator/icons/turbo-systray.gif                     (communicator/icons/turbo-systray.gif)
   skin/classic/communicator/icons/communicatoricons.png                 (communicator/icons/communicatoricons.png)
   skin/classic/communicator/icons/smileys/smile_n.gif                   (communicator/icons/smileys/smile_n.gif)
   skin/classic/communicator/icons/smileys/frown_n.gif                   (communicator/icons/smileys/frown_n.gif)
diff --git a/suite/themes/modern/communicator/dialogs.css b/suite/themes/modern/communicator/dialogs.css
index 6d27bcc2b0a..256184e07f5 100644
--- a/suite/themes/modern/communicator/dialogs.css
+++ b/suite/themes/modern/communicator/dialogs.css
@@ -42,10 +42,3 @@
 @import url("chrome://communicator/skin/");
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
-
-/* ::::: turbo confirmation dialog ::::: */
-
-#turboTrayImage {
-  list-style-image: url("chrome://communicator/skin/icons/turbo-systray.gif");
-  border: 2px inset #C7D0D9 !important;
-}
diff --git a/suite/themes/modern/jar.mn b/suite/themes/modern/jar.mn
index 45ba9de6309..a9347ccb1f5 100644
--- a/suite/themes/modern/jar.mn
+++ b/suite/themes/modern/jar.mn
@@ -40,7 +40,6 @@ modern.jar:
   skin/modern/communicator/icons/lock-secure.gif                   (communicator/icons/lock-secure.gif)
   skin/modern/communicator/icons/offline.gif                       (communicator/icons/offline.gif)
   skin/modern/communicator/icons/online.gif                        (communicator/icons/online.gif)
-  skin/modern/communicator/icons/turbo-systray.gif                 (communicator/icons/turbo-systray.gif)
   skin/modern/communicator/icons/btn1.gif                          (communicator/icons/btn1.gif)
   skin/modern/communicator/icons/search.gif                        (communicator/icons/search.gif)
   skin/modern/communicator/icons/smileys/smile_n.gif               (communicator/icons/smileys/smile_n.gif)