diff --git a/mozilla/string/obsolete/nsStr.h b/mozilla/string/obsolete/nsStr.h
index 6fede507c2f..8c04f56d032 100644
--- a/mozilla/string/obsolete/nsStr.h
+++ b/mozilla/string/obsolete/nsStr.h
@@ -187,6 +187,7 @@
 #include "nsIAllocator.h"
 #include <string.h>
 #include <stdio.h>
+#include "plhash.h"
 
 //----------------------------------------------------------------------------------------
 
@@ -484,8 +485,6 @@ inline PRUnichar GetCharAt(const nsStr& aDest,PRUint32 anIndex){
 
 #ifdef DEBUG
 
-#include "plhash.h"
-
 class nsStringInfo {
 public:
   nsStringInfo(nsStr& str);
diff --git a/mozilla/xpcom/ds/nsStr.h b/mozilla/xpcom/ds/nsStr.h
index 6fede507c2f..8c04f56d032 100644
--- a/mozilla/xpcom/ds/nsStr.h
+++ b/mozilla/xpcom/ds/nsStr.h
@@ -187,6 +187,7 @@
 #include "nsIAllocator.h"
 #include <string.h>
 #include <stdio.h>
+#include "plhash.h"
 
 //----------------------------------------------------------------------------------------
 
@@ -484,8 +485,6 @@ inline PRUnichar GetCharAt(const nsStr& aDest,PRUint32 anIndex){
 
 #ifdef DEBUG
 
-#include "plhash.h"
-
 class nsStringInfo {
 public:
   nsStringInfo(nsStr& str);
diff --git a/mozilla/xpcom/string/obsolete/nsStr.h b/mozilla/xpcom/string/obsolete/nsStr.h
index 6fede507c2f..8c04f56d032 100644
--- a/mozilla/xpcom/string/obsolete/nsStr.h
+++ b/mozilla/xpcom/string/obsolete/nsStr.h
@@ -187,6 +187,7 @@
 #include "nsIAllocator.h"
 #include <string.h>
 #include <stdio.h>
+#include "plhash.h"
 
 //----------------------------------------------------------------------------------------
 
@@ -484,8 +485,6 @@ inline PRUnichar GetCharAt(const nsStr& aDest,PRUint32 anIndex){
 
 #ifdef DEBUG
 
-#include "plhash.h"
-
 class nsStringInfo {
 public:
   nsStringInfo(nsStr& str);