diff --git a/op/base/mainnet/reth/reth.toml b/op/base/mainnet/reth/reth.toml
new file mode 100644
index 00000000..0c86b55a
--- /dev/null
+++ b/op/base/mainnet/reth/reth.toml
@@ -0,0 +1,2 @@
+[stages.merkle]
+clean_threshold = 30000
\ No newline at end of file