diff --git a/changelog/3779.added.md b/changelog/3779.added.md
new file mode 100644
index 000000000..8800cfc04
--- /dev/null
+++ b/changelog/3779.added.md
@@ -0,0 +1 @@
+- Added `ignored_sources` parameter to `RTVIObserverParams` and `add_ignored_source()`/`remove_ignored_source()` methods to `RTVIObserver` to suppress RTVI messages from specific pipeline processors (e.g. a silent evaluation LLM).
diff --git a/examples/foundational/53-concurrent-llm-rtvi-ignored-sources.py b/examples/foundational/53-concurrent-llm-rtvi-ignored-sources.py
index c679a4cc4..b16f8831f 100644
--- a/examples/foundational/53-concurrent-llm-rtvi-ignored-sources.py
+++ b/examples/foundational/53-concurrent-llm-rtvi-ignored-sources.py
@@ -156,9 +156,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
             enable_metrics=True,
             enable_usage_metrics=True,
         ),
-        rtvi_observer_params=RTVIObserverParams(
-            ignored_sources=[evaluator_llm]
-        ),
+        rtvi_observer_params=RTVIObserverParams(ignored_sources=[evaluator_llm]),
         idle_timeout_secs=runner_args.pipeline_idle_timeout_secs,
     )