diff --git a/docker-compose.yml b/docker-compose.yml
index 6f624c82..7017ee75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
       - PYTHONUNBUFFERED=1
       - VLLM_RPC_TIMEOUT_MS=600000
       - CLAWMINE_DEBUG=1
-      - VLLM_NVFP4_GEMM_BACKEND=cutedsl
+      # Don't set VLLM_NVFP4_GEMM_BACKEND - our CuTeDSL kernel auto-selects on Blackwell
     command:
       - /model
       - --trust-remote-code