diff --git a/k-meleon/kplugins/adblock/nsGenericFactory.cpp b/k-meleon/kplugins/adblock/nsGenericFactory.cpp
index ac46ff6f..ee69f730 100644
--- a/k-meleon/kplugins/adblock/nsGenericFactory.cpp
+++ b/k-meleon/kplugins/adblock/nsGenericFactory.cpp
@@ -94,10 +94,8 @@ NS_IMETHODIMP nsGenericFactory::GetInterfaces(PRUint32 *countp,
     return NS_OK;
 }
 
-NS_IMETHODIMP nsGenericFactory::GetHelperForLanguage(PRUint32 language,
-                                                     nsISupports **helper)
-{
-    *helper = nullptr;
+NS_IMETHODIMP nsGenericFactory::GetScriptableHelper(nsIXPCScriptable** retval)
{
+	*retval = nullptr;
     return NS_OK;
 }
 
@@ -144,12 +142,6 @@ NS_IMETHODIMP nsGenericFactory::GetClassIDNoAlloc(nsCID *aClassID)
     return NS_OK;
 }
 
-NS_IMETHODIMP nsGenericFactory::GetImplementationLanguage(PRUint32 *langp)
-{
-    *langp = nsIProgrammingLanguage::CPLUSPLUS;
-    return NS_OK;
-}
-
 NS_IMETHODIMP nsGenericFactory::GetFlags(PRUint32 *flagsp)
 {
     return NS_OK;
diff --git a/k-meleon/kplugins/jsbridge/nsGenericFactory.cpp b/k-meleon/kplugins/jsbridge/nsGenericFactory.cpp
index 89d6316d..d8ae2b59 100644
--- a/k-meleon/kplugins/jsbridge/nsGenericFactory.cpp
+++ b/k-meleon/kplugins/jsbridge/nsGenericFactory.cpp
@@ -95,11 +95,9 @@ NS_IMETHODIMP nsGenericFactory::GetInterfaces(PRUint32 *countp,
     return NS_OK;
 }
 
-NS_IMETHODIMP nsGenericFactory::GetHelperForLanguage(PRUint32 language,
-                                                     nsISupports **helper)
-{
-    *helper = nullptr;
-    return NS_OK;
+NS_IMETHODIMP nsGenericFactory::GetScriptableHelper(nsIXPCScriptable** retval)
{
+	*retval = nullptr;
+	return NS_OK;
 }
 
 NS_IMETHODIMP nsGenericFactory::GetContractID(char **aContractID)
@@ -145,12 +143,6 @@ NS_IMETHODIMP nsGenericFactory::GetClassIDNoAlloc(nsCID *aClassID)
     return NS_OK;
 }
 
-NS_IMETHODIMP nsGenericFactory::GetImplementationLanguage(PRUint32 *langp)
-{
-    *langp = nsIProgrammingLanguage::CPLUSPLUS;
-    return NS_OK;
-}
-
 NS_IMETHODIMP nsGenericFactory::GetFlags(PRUint32 *flagsp)
 {
     return NS_OK;