diff --git a/Makefile b/Makefile
index f5628b1..9ebf96a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,12 @@
 all: build
 
-OPTS ?= --progress
+OPTS ?= --progress --no-debug
 Q ?= @
 SHOULD_UPDATE = ./bin/should-update
 DBDIR=/tmp/tests-on-dodb
 
 benchmark-cars:
-	$(Q)crystal build spec/benchmark-cars.cr $(OPTS)
+	$(Q)crystal build spec/benchmark-cars.cr $(OPTS) --release
 
 build: benchmark-cars