diff --git a/content/xul/document/src/nsXULDocument.h b/content/xul/document/src/nsXULDocument.h
index 22fce04a84f..22bd805ae35 100644
--- a/content/xul/document/src/nsXULDocument.h
+++ b/content/xul/document/src/nsXULDocument.h
@@ -655,11 +655,6 @@ protected:
      * @param aURI the URI of the overlay that failed to load
      */
     void ReportMissingOverlay(nsIURI* aURI);
-    
-#if defined(DEBUG_waterson) || defined(DEBUG_hyatt)
-    // timing
-    nsTime mLoadStart;
-#endif
 
     class CachedChromeStreamListener : public nsIStreamListener {
     protected:
diff --git a/parser/htmlparser/src/CNavDTD.cpp b/parser/htmlparser/src/CNavDTD.cpp
index 72660d0df34..4c6f3c46e55 100644
--- a/parser/htmlparser/src/CNavDTD.cpp
+++ b/parser/htmlparser/src/CNavDTD.cpp
@@ -50,7 +50,6 @@
 #include "plstr.h"
 #include "nsDTDUtils.h"
 #include "nsHTMLTokenizer.h"
-#include "nsTime.h"
 #include "nsParserNode.h"
 #include "nsHTMLEntities.h"
 #include "nsLinebreakConverter.h"
diff --git a/parser/htmlparser/src/CNavDTD.h b/parser/htmlparser/src/CNavDTD.h
index ad261b4690a..d4645d0ce15 100644
--- a/parser/htmlparser/src/CNavDTD.h
+++ b/parser/htmlparser/src/CNavDTD.h
@@ -102,7 +102,6 @@
 #include "nsHTMLTags.h"
 #include "nsDeque.h"
 #include "nsParserCIID.h"
-#include "nsTime.h"
 #include "nsDTDUtils.h"
 #include "nsParser.h"
 #include "nsCycleCollectionParticipant.h"
diff --git a/security/manager/ssl/src/nsNSSCertificate.cpp b/security/manager/ssl/src/nsNSSCertificate.cpp
index 1051ec1b30f..9d3bad04b86 100644
--- a/security/manager/ssl/src/nsNSSCertificate.cpp
+++ b/security/manager/ssl/src/nsNSSCertificate.cpp
@@ -59,7 +59,6 @@
 #include "nsXPIDLString.h"
 #include "nsReadableUtils.h"
 #include "nsIURI.h"
-#include "nsTime.h"
 #include "nsIProxyObjectManager.h"
 #include "nsCRT.h"
 #include "nsUsageArrayHelper.h"
diff --git a/security/manager/ssl/src/nsNSSComponent.cpp b/security/manager/ssl/src/nsNSSComponent.cpp
index 552f9ba2780..7df5d23e24c 100644
--- a/security/manager/ssl/src/nsNSSComponent.cpp
+++ b/security/manager/ssl/src/nsNSSComponent.cpp
@@ -91,7 +91,6 @@
 #include "nsReadableUtils.h"
 #include "nsIDateTimeFormat.h"
 #include "prtypes.h"
-#include "nsTime.h"
 #include "nsIEntropyCollector.h"
 #include "nsIBufEntropyCollector.h"
 #include "nsIServiceManager.h"
diff --git a/xpcom/ds/Makefile.in b/xpcom/ds/Makefile.in
index 4851c5af845..26e79ad2cb6 100644
--- a/xpcom/ds/Makefile.in
+++ b/xpcom/ds/Makefile.in
@@ -106,7 +106,6 @@ EXPORTS		= \
 		nsStaticAtom.h \
 		nsSupportsArray.h \
 		nsSupportsPrimitives.h \
-		nsTime.h \
 		nsVariant.h \
 		nsStringEnumerator.h \
 		nsHashPropertyBag.h \
diff --git a/xpcom/ds/nsTime.h b/xpcom/ds/nsTime.h
deleted file mode 100644
index d4270736770..00000000000
--- a/xpcom/ds/nsTime.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-#ifndef nsTime_h__
-#define nsTime_h__
-
-#include "prtime.h"
-#include "nscore.h"
-
-/**
- * This class encapsulates full 64-bit time functionality and
- * provides simple arithmetic and conversion operations.
- */
-
-// If you ever decide that you need to add a non-inline method to this
-// class, be sure to change the class declaration to "class NS_BASE
-// nsTime".
-
-class nsTime
-{
-public:
-    /**
-     * Construct the current time.
-     */
-    nsTime(void) : mValue(PR_Now()) {
-    }
-
-    /**
-     * Construct the time from a string.
-     */
-    nsTime(const char* dateStr, PRBool defaultToGMT) {
-        PRInt64 theTime;
-        PRStatus status = PR_ParseTimeString(dateStr, defaultToGMT, &theTime);
-        if (status == PR_SUCCESS)
-            mValue = theTime;
-        else
-            mValue = LL_ZERO;
-    }
-
-    /**
-     * Construct a time from a PRTime.
-     */
-    nsTime(const PRTime aTime) : mValue(aTime) {
-    }
-
-    // ~nsTime(void) -- XXX destructor unnecessary
-
-    /**
-     * Convert a nsTime object to a PRTime
-     */
-    operator PRTime(void) const {
-        return mValue;
-    }
-
-    PRInt64 mValue;
-};
-
-/**
- * Determine if one time is strictly less than another
- */
-inline const PRBool
-operator <(const nsTime& aTime1, const nsTime& aTime2) {
-    return aTime1.mValue < aTime2.mValue;
-}
-
-/**
- * Determine if one time is less than or equal to another
- */
-inline const PRBool
-operator <=(const nsTime& aTime1, const nsTime& aTime2) {
-    return aTime1.mValue <= aTime2.mValue;
-}
-
-/**
- * Determine if one time is strictly greater than another
- */
-inline const PRBool
-operator >(const nsTime& aTime1, const nsTime& aTime2) {
-    return aTime1.mValue > aTime2.mValue;
-}
-
-/**
- * Determine if one time is greater than or equal to another
- */
-inline const PRBool
-operator >=(const nsTime& aTime1, const nsTime& aTime2) {
-    return aTime1.mValue >= aTime2.mValue;
-}
-
-#endif // nsTime_h__