diff --git a/mozilla/content/xul/document/src/nsXULDocument.cpp b/mozilla/content/xul/document/src/nsXULDocument.cpp
index 8110cd7c1b1..43cef32c7b3 100644
--- a/mozilla/content/xul/document/src/nsXULDocument.cpp
+++ b/mozilla/content/xul/document/src/nsXULDocument.cpp
@@ -3058,7 +3058,7 @@ nsXULDocument::GetAnonymousNodes(nsIDOMElement* aElement, nsIDOMNodeList** aResu
 }
 
 NS_IMETHODIMP
-nsXULDocument::Load(const nsString& aUrl, const nsString& aMimeType)
+nsXULDocument::Load(const nsString& aUrl)
 {
     NS_NOTREACHED("nsXULDocument::Load");
     return NS_ERROR_NOT_IMPLEMENTED;
diff --git a/mozilla/content/xul/document/src/nsXULDocument.h b/mozilla/content/xul/document/src/nsXULDocument.h
index fba3475792a..f8c3d177a9b 100644
--- a/mozilla/content/xul/document/src/nsXULDocument.h
+++ b/mozilla/content/xul/document/src/nsXULDocument.h
@@ -367,7 +367,7 @@ public:
     NS_IMETHOD    CreateRange(nsIDOMRange** aRange);
     NS_IMETHOD    GetWidth(PRInt32* aWidth);
     NS_IMETHOD    GetHeight(PRInt32* aHeight);
-    NS_IMETHOD    Load (const nsString& aUrl, const nsString& aMimeType);
+    NS_IMETHOD    Load (const nsString& aUrl);
 
     // nsIDOMXULDocument interface
     NS_DECL_IDOMXULDOCUMENT
diff --git a/mozilla/rdf/content/src/nsXULDocument.cpp b/mozilla/rdf/content/src/nsXULDocument.cpp
index 8110cd7c1b1..43cef32c7b3 100644
--- a/mozilla/rdf/content/src/nsXULDocument.cpp
+++ b/mozilla/rdf/content/src/nsXULDocument.cpp
@@ -3058,7 +3058,7 @@ nsXULDocument::GetAnonymousNodes(nsIDOMElement* aElement, nsIDOMNodeList** aResu
 }
 
 NS_IMETHODIMP
-nsXULDocument::Load(const nsString& aUrl, const nsString& aMimeType)
+nsXULDocument::Load(const nsString& aUrl)
 {
     NS_NOTREACHED("nsXULDocument::Load");
     return NS_ERROR_NOT_IMPLEMENTED;
diff --git a/mozilla/rdf/content/src/nsXULDocument.h b/mozilla/rdf/content/src/nsXULDocument.h
index fba3475792a..f8c3d177a9b 100644
--- a/mozilla/rdf/content/src/nsXULDocument.h
+++ b/mozilla/rdf/content/src/nsXULDocument.h
@@ -367,7 +367,7 @@ public:
     NS_IMETHOD    CreateRange(nsIDOMRange** aRange);
     NS_IMETHOD    GetWidth(PRInt32* aWidth);
     NS_IMETHOD    GetHeight(PRInt32* aHeight);
-    NS_IMETHOD    Load (const nsString& aUrl, const nsString& aMimeType);
+    NS_IMETHOD    Load (const nsString& aUrl);
 
     // nsIDOMXULDocument interface
     NS_DECL_IDOMXULDOCUMENT