diff --git a/dlls/d3d10/d3d10_main.c b/dlls/d3d10/d3d10_main.c
index 6ca75b6aa44..0cbe66762a4 100644
--- a/dlls/d3d10/d3d10_main.c
+++ b/dlls/d3d10/d3d10_main.c
@@ -231,13 +231,7 @@ HRESULT WINAPI D3D10CreateEffectFromMemory(void *data, SIZE_T data_size, UINT fl
         return E_OUTOFMEMORY;
     }
 
-    if (wine_rb_init(&object->types, &d3d10_effect_type_rb_functions) == -1)
-    {
-        ERR("Failed to initialize type rbtree.\n");
-        HeapFree(GetProcessHeap(), 0, object);
-        return E_FAIL;
-    }
-
+    wine_rb_init(&object->types, &d3d10_effect_type_rb_functions);
     object->ID3D10Effect_iface.lpVtbl = &d3d10_effect_vtbl;
     object->refcount = 1;
     ID3D10Device_AddRef(device);