diff --git a/mailnews/absync/src/nsAbSync.cpp b/mailnews/absync/src/nsAbSync.cpp
index 6f4bf98d5a29..86f9efd64567 100644
--- a/mailnews/absync/src/nsAbSync.cpp
+++ b/mailnews/absync/src/nsAbSync.cpp
@@ -33,6 +33,7 @@
 #include "nsIDirectoryService.h"
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsXPIDLString.h"
+#include "nsReadableUtils.h"
 #include "nsEscape.h"
 #include "nsSyncDecoderRing.h"
 #include "plstr.h"
@@ -816,7 +817,7 @@ nsAbSync::GenerateProtocolForCard(nsIAbCard *aCard, PRBool aAddId, nsString &pro
         char *pVal = PR_smprintf("phone%d", phoneCount);
         if (pVal)
         {
-          char      *utfString = nsString2(aName).ToNewUTF8String();
+          char *utfString = ToNewUTF8String(nsDependentString(aName));
 
           // Now, URL Encode the value string....
           char *myTStr = nsEscape(utfString, url_Path);
@@ -846,7 +847,7 @@ nsAbSync::GenerateProtocolForCard(nsIAbCard *aCard, PRBool aAddId, nsString &pro
       }
       else    // Good ole' normal tag...
       {
-        char      *utfString = nsString2(aName).ToNewUTF8String();
+        char *utfString = ToNewUTF8String(nsDependentString(aName));
 
         // Now, URL Encode the value string....
         char *myTStr = nsEscape(utfString, url_Path);
@@ -887,7 +888,7 @@ nsAbSync::GenerateProtocolForCard(nsIAbCard *aCard, PRBool aAddId, nsString &pro
       // Just some sanity...
       if (aName)
       {
-        char      *utfString = nsString2(aName).ToNewUTF8String();
+        char *utfString = ToNewUTF8String(nsDependentString(aName));
       
         // Now, URL Encode the value string....
         char *myTStr = nsEscape(utfString, url_Path);
diff --git a/netwerk/protocol/http/src/nsHttpChannel.cpp b/netwerk/protocol/http/src/nsHttpChannel.cpp
index 53a0815dd343..ef2bd2fee33f 100644
--- a/netwerk/protocol/http/src/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/src/nsHttpChannel.cpp
@@ -37,7 +37,7 @@
 #include "nsIMIMEService.h"
 #include "nsMimeTypes.h"
 #include "nsNetUtil.h"
-#include "nsString2.h"
+#include "nsString.h"
 #include "nsReadableUtils.h"
 #include "plstr.h"
 #include "prprf.h"
diff --git a/string/obsolete/nsString2.h b/string/obsolete/nsString2.h
index 2443f0d3ef38..c74c59f89706 100644
--- a/string/obsolete/nsString2.h
+++ b/string/obsolete/nsString2.h
@@ -64,9 +64,6 @@
 class nsISizeOfHandler;
 
 
-#define nsString2     nsString
-#define nsAutoString2 nsAutoString
-
 class NS_COM nsString :
   public nsAFlatString,
   public nsStr {
diff --git a/xpcom/string/obsolete/nsString2.h b/xpcom/string/obsolete/nsString2.h
index 2443f0d3ef38..c74c59f89706 100644
--- a/xpcom/string/obsolete/nsString2.h
+++ b/xpcom/string/obsolete/nsString2.h
@@ -64,9 +64,6 @@
 class nsISizeOfHandler;
 
 
-#define nsString2     nsString
-#define nsAutoString2 nsAutoString
-
 class NS_COM nsString :
   public nsAFlatString,
   public nsStr {