diff --git a/spec/benchmark-ramdb.cr b/spec/benchmark-ramdb.cr
deleted file mode 100644
index bfb48dc..0000000
--- a/spec/benchmark-ramdb.cr
+++ /dev/null
@@ -1,30 +0,0 @@
-require "benchmark"
-require "./benchmark-utilities.cr"
-require "./cars.cr"
-
-cars_ram = DODB::RAMOnlySpecDataBase(Car).new
-cached_searchby_name, cached_searchby_color, cached_searchby_keywords = ram_indexes cars_ram
-add_cars cars_ram, 1_000
-
-# Searching for data with an index.
-Benchmark.ips do |x|
-	x.report("(cars db) searching a data with an index (with a cache)") do
-		corvet = cached_searchby_name.get "Corvet-500"
-	end
-end
-
-# Searching for data with a partition.
-Benchmark.ips do |x|
-	x.report("(cars db) searching a data with a partition (with a cache)") do
-		red_cars = cached_searchby_color.get "red"
-	end
-end
-
-# Searching for data with a tag.
-Benchmark.ips do |x|
-	x.report("(cars db) searching a data with a tag (with a cache)") do
-		red_cars = cached_searchby_keywords.get "spacious"
-	end
-end
-
-cars_ram.rm_storage_dir