diff --git a/chia/_tests/util/test_full_block_utils.py b/chia/_tests/util/test_full_block_utils.py
index 3a3b3ed23970..ac277f259d05 100644
--- a/chia/_tests/util/test_full_block_utils.py
+++ b/chia/_tests/util/test_full_block_utils.py
@@ -255,6 +255,9 @@ def get_full_blocks() -> Iterator[FullBlock]:
 
 
 @pytest.mark.anyio
+@pytest.mark.skip(
+    "Very slow test with limited usefulness: was used to ensure the cheap parser for FullBlock matched the regular one"
+)
 async def test_parser():
     # loop over every combination of Optionals being set and not set
     # along with random values for the FullBlock fields. Ensure