diff --git a/interpreter/Makefile b/interpreter/Makefile
index 07d3c87..73f7ffb 100644
--- a/interpreter/Makefile
+++ b/interpreter/Makefile
@@ -3,7 +3,7 @@ objects= stack.o method_dispatcher/method_dispatcher.o interpreter/core_methods.
 
 all: $(objects) test
 
-CFLAG= -c -DDEBUG -O -o
+CFLAG= -c -O -o
 
 %.o: %.c
 	$(CC) $(CFLAG) $@ $<
@@ -14,3 +14,6 @@ test:
 	cd test && make
 	cd method_dispatcher/test && make
 	cd interpreter/test && make
+
+clean:
+	- rm $(objects)
diff --git a/test/Makefile b/test/Makefile
index 1466c91..01a3151 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,5 @@
 CC=gcc
-CFLAG= -c -g -O -DDEBUG -I ../interpreter -o
+CFLAG= -c -g -O -I ../interpreter -o
 objects=../interpreter/stack.o \
 	../interpreter/interpreter/core_methods.o \
 	../interpreter/interpreter/interpreter.o \