diff --git a/mozilla/xpfe/appshell/src/nsWindowMediator.cpp b/mozilla/xpfe/appshell/src/nsWindowMediator.cpp
index 2ca3d0cc6f1..b46c5ce7280 100644
--- a/mozilla/xpfe/appshell/src/nsWindowMediator.cpp
+++ b/mozilla/xpfe/appshell/src/nsWindowMediator.cpp
@@ -563,7 +563,8 @@ NS_IMETHODIMP nsWindowMediator::QueryInterface(REFNSIID iid, void **result)
 }
 
 // RDF
-NS_IMETHODIMP nsWindowMediator::Init()
+nsresult
+nsWindowMediator::Init()
 {
 	nsresult rv;
 
diff --git a/mozilla/xpfe/components/related/src/nsRelatedLinksHandler.cpp b/mozilla/xpfe/components/related/src/nsRelatedLinksHandler.cpp
index d7b35992e58..cfa3edf2573 100644
--- a/mozilla/xpfe/components/related/src/nsRelatedLinksHandler.cpp
+++ b/mozilla/xpfe/components/related/src/nsRelatedLinksHandler.cpp
@@ -623,7 +623,7 @@ RelatedLinksHandlerImpl::~RelatedLinksHandlerImpl()
 	}
 }
 
-NS_IMETHODIMP
+nsresult
 RelatedLinksHandlerImpl::Init()
 {
 	nsresult rv;