diff --git a/examples/diffusers/README.md b/examples/diffusers/README.md
index 8d6e61e9644..21f9733639f 100644
--- a/examples/diffusers/README.md
+++ b/examples/diffusers/README.md
@@ -154,6 +154,14 @@ python quantize.py \
 > (including quantized or distilled checkpoints) remain subject to the LTX Community License
 > Agreement and are **not** covered by Apache 2.0.
 
+> [!NOTE]
+> This example targets the LTX-2 packages at commit
+> [`28c3c73`](https://github.com/Lightricks/LTX-2/commit/28c3c73fe557666c3de176e1e50a5220152ccfca)
+> (`QuantizationPolicy.fp8_cast()` and `checkpoint_path`/`gemma_root` pipeline arguments), e.g.
+> `pip install "ltx-core @ git+https://github.com/Lightricks/LTX-2.git@28c3c73#subdirectory=packages/ltx-core" "ltx-pipelines @ git+https://github.com/Lightricks/LTX-2.git@28c3c73#subdirectory=packages/ltx-pipelines"`.
+> Newer LTX-2 releases removed `fp8_cast()` and changed the pipeline constructor, so this example does
+> not run on them yet.
+
 This example produces three outputs: a PyTorch checkpoint (`--quantized-torch-ckpt-save-path`), a Hugging Face checkpoint (`--hf-ckpt-dir`), and a ComfyUI-compatible merged safetensor (`--extra-param merged_base_safetensor_path`).
 
 ```sh
diff --git a/examples/diffusers/quantization/pipeline_manager.py b/examples/diffusers/quantization/pipeline_manager.py
index af89ed568ff..e377529dbf6 100644
--- a/examples/diffusers/quantization/pipeline_manager.py
+++ b/examples/diffusers/quantization/pipeline_manager.py
@@ -224,6 +224,17 @@ def _create_ltx2_pipeline(self) -> Any:
         params.pop("enable_swizzle_layout", None)
         params.pop("padding_strategy", None)
         params.pop("enable_layerwise_quant_metadata", None)
+        # Calibration-only knobs read in calibration.py; the pipeline constructor rejects them.
+        for key in (
+            "height",
+            "width",
+            "num_frames",
+            "frame_rate",
+            "seed",
+            "images",
+            "tiling_config",
+        ):
+            params.pop(key, None)
 
         if not checkpoint_path:
             raise ValueError("Missing required extra_param: checkpoint_path.")