diff --git a/tools/benchmark.sh b/tools/benchmark.sh
index 708c22e59..46e1c6567 100755
--- a/tools/benchmark.sh
+++ b/tools/benchmark.sh
@@ -86,7 +86,6 @@ const_params="
   \
   --verify_checksum=1 \
   --delete_obsolete_files_period_micros=$((60 * M)) \
-  --max_grandparent_overlap_factor=8 \
   --max_bytes_for_level_multiplier=8 \
   \
   --statistics=0 \