diff --git a/docs/mkdocs/hooks/generate_argparse.py b/docs/mkdocs/hooks/generate_argparse.py
index 9bdb1a0bb2d11..d6d33fbf61ebb 100644
--- a/docs/mkdocs/hooks/generate_argparse.py
+++ b/docs/mkdocs/hooks/generate_argparse.py
@@ -92,7 +92,7 @@ def auto_mock(module_name: str, attr: str, max_mocks: int = 100):
 
 
 bench_latency = auto_mock("vllm.benchmarks", "latency")
-bench_multimodal_processor = auto_mock("vllm.benchmarks", "multimodal_processor")
+bench_mm_processor = auto_mock("vllm.benchmarks", "mm_processor")
 bench_serve = auto_mock("vllm.benchmarks", "serve")
 bench_sweep_plot = auto_mock("vllm.benchmarks.sweep.plot", "SweepPlotArgs")
 bench_sweep_plot_pareto = auto_mock(
@@ -223,8 +223,8 @@ def on_startup(command: Literal["build", "gh-deploy", "serve"], dirty: bool):
         "run-batch": create_parser(openai_run_batch.make_arg_parser),
         # Benchmark CLI
         "bench_latency": create_parser(bench_latency.add_cli_args),
-        "bench_multimodal_processor": create_parser(
-            bench_multimodal_processor.add_cli_args
+        "bench_mm_processor": create_parser(
+            bench_mm_processor.add_cli_args
         ),
         "bench_serve": create_parser(bench_serve.add_cli_args),
         "bench_sweep_plot": create_parser(bench_sweep_plot.add_cli_args),
diff --git a/vllm/config/observability.py b/vllm/config/observability.py
index eb4c1482f35cf..64bd9852bd161 100644
--- a/vllm/config/observability.py
+++ b/vllm/config/observability.py
@@ -67,7 +67,7 @@ class ObservabilityConfig:
     enable_mm_processor_stats: bool = False
     """Enable collection of timing statistics for multimodal processor operations.
     This is for internal use only (e.g., benchmarks) and is not exposed as a CLI
-    argument. Defaults to `False` (disabled)."""
+    argument."""
 
     @cached_property
     def collect_model_forward_time(self) -> bool:
diff --git a/vllm/engine/arg_utils.py b/vllm/engine/arg_utils.py
index 143849c3bc970..1051e0f66f6a8 100644
--- a/vllm/engine/arg_utils.py
+++ b/vllm/engine/arg_utils.py
@@ -1041,9 +1041,6 @@ class EngineArgs:
             "--enable-layerwise-nvtx-tracing",
             **observability_kwargs["enable_layerwise_nvtx_tracing"],
         )
-        # Note: --enable-mm-processor-stats is intentionally not exposed as a CLI
-        # argument. It can be set programmatically via parser.set_defaults() for
-        # internal use (e.g., benchmarks), but is not part of the public API.
 
         # Scheduler arguments
         scheduler_kwargs = get_kwargs(SchedulerConfig)
diff --git a/vllm/entrypoints/cli/benchmark/mm_processor.py b/vllm/entrypoints/cli/benchmark/mm_processor.py
index e769bd69dc140..8f1799af12e59 100644
--- a/vllm/entrypoints/cli/benchmark/mm_processor.py
+++ b/vllm/entrypoints/cli/benchmark/mm_processor.py
@@ -2,7 +2,7 @@
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import argparse
 
-from vllm.benchmarks.multimodal_processor import add_cli_args, main
+from vllm.benchmarks.mm_processor import add_cli_args, main
 from vllm.entrypoints.cli.benchmark.base import BenchmarkSubcommandBase