diff --git a/external/slang-rhi b/external/slang-rhi
index c34ac8d44d..88455c63f7 160000
--- a/external/slang-rhi
+++ b/external/slang-rhi
@@ -1 +1 @@
-Subproject commit c34ac8d44d23fc333c9e48dc850c46d3861c9ab5
+Subproject commit 88455c63f78a045bec194697881d5076a77120da
diff --git a/tools/render-test/render-test-main.cpp b/tools/render-test/render-test-main.cpp
index 370225c7ce..977cdfa421 100644
--- a/tools/render-test/render-test-main.cpp
+++ b/tools/render-test/render-test-main.cpp
@@ -889,8 +889,7 @@ void RenderTestApp::renderFrame(IRenderCommandEncoder* encoder)
     auto pipelineType = PipelineType::Graphics;
     applyBinding(pipelineType, encoder);
 
-	encoder->setPrimitiveTopology(PrimitiveTopology::TriangleList);
-    encoder->setVertexBuffer(0, m_vertexBuffer);
+	encoder->setVertexBuffer(0, m_vertexBuffer);
 
 	encoder->draw(3);
 }