diff --git a/dlls/explorerframe/tests/nstc.c b/dlls/explorerframe/tests/nstc.c
index d5dd5cd1f4e..c329311b8c4 100644
--- a/dlls/explorerframe/tests/nstc.c
+++ b/dlls/explorerframe/tests/nstc.c
@@ -277,9 +277,7 @@ static HRESULT WINAPI NSTCEvents_fnOnAfterContextMenu(
 
 static HRESULT WINAPI NSTCEvents_fnOnBeforeStateImageChange(
     INameSpaceTreeControlEvents* iface,
-    IShellItem *psi,
-    int *piDefaultIcon,
-    int *piOpenIcon)
+    IShellItem *psi)
 {
     ok(psi != NULL, "NULL IShellItem\n");
     NSTCE_IMPL(iface)->count[OnBeforeStateImageChange]++;
diff --git a/include/shobjidl.idl b/include/shobjidl.idl
index 82d8aaf755d..7e2dde2e5af 100644
--- a/include/shobjidl.idl
+++ b/include/shobjidl.idl
@@ -2213,9 +2213,7 @@ interface INameSpaceTreeControlEvents : IUnknown
         [out, iid_is(riid)] void **ppv);
 
     HRESULT OnBeforeStateImageChange(
-        [in] IShellItem *psi,
-        [out] int *piDefaultIcon,
-        [out] int *piOpenIcon);
+        [in] IShellItem *psi);
 
     HRESULT OnGetDefaultIconIndex(
         [in] IShellItem *psi,