diff --git a/tests/deriver/test_prompts.py b/tests/deriver/test_prompts.py
index edeaa205..c0f7db95 100644
--- a/tests/deriver/test_prompts.py
+++ b/tests/deriver/test_prompts.py
@@ -30,29 +30,6 @@ def test_minimal_deriver_prompt_omits_custom_instructions_when_absent() -> None:
assert "CUSTOM INSTRUCTIONS:" not in prompt
-def test_minimal_deriver_prompt_delimits_examples_and_forbids_example_leakage() -> None:
- prompt = minimal_deriver_prompt(
- peer_id="alice",
- messages="alice: hello",
- custom_instructions=None,
- )
-
- assert "" in prompt
- assert "" in prompt
- assert "" in prompt
- assert "" in prompt
- assert "These examples are fabricated illustrations of the output format." in prompt
- assert (
- "Never emit a conclusion for which content comes from these examples." in prompt
- )
- assert "Every conclusion must be supported by the block only." in prompt
- examples_start = prompt.index("")
- examples_end = prompt.index("")
- examples_block = prompt[examples_start:examples_end]
- assert "alice is 25 years old" in examples_block
- assert "alice has a dog" in examples_block
-
-
def test_estimate_deriver_prompt_tokens_increases_with_custom_instructions() -> None:
base_tokens = estimate_minimal_deriver_prompt_tokens()
custom_tokens = estimate_deriver_prompt_tokens(