diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 6fad6e515f6..2a778084eb9 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -684,10 +684,8 @@ HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);
 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
 void nsfree(void*);
 
-void nsACString_Init(nsACString*,const char*);
 void nsACString_SetData(nsACString*,const char*);
 PRUint32 nsACString_GetData(const nsACString*,const char**);
-void nsACString_Finish(nsACString*);
 
 void nsAString_Init(nsAString*,const PRUnichar*);
 void nsAString_SetData(nsAString*,const PRUnichar*);
diff --git a/dlls/mshtml/nsembed.c b/dlls/mshtml/nsembed.c
index a33f88de80f..773ebeda243 100644
--- a/dlls/mshtml/nsembed.c
+++ b/dlls/mshtml/nsembed.c
@@ -533,7 +533,7 @@ void nsfree(void *mem)
     nsIMemory_Free(nsmem, mem);
 }
 
-void nsACString_Init(nsACString *str, const char *data)
+static void nsACString_Init(nsACString *str, const char *data)
 {
     NS_CStringContainerInit(str);
     if(data)
@@ -550,7 +550,7 @@ PRUint32 nsACString_GetData(const nsACString *str, const char **data)
     return NS_CStringGetData(str, data, NULL);
 }
 
-void nsACString_Finish(nsACString *str)
+static void nsACString_Finish(nsACString *str)
 {
     NS_CStringContainerFinish(str);
 }