diff --git a/arm/makefile b/arm/makefile
index b1b0f5e..f2615e2 100644
--- a/arm/makefile
+++ b/arm/makefile
@@ -4,7 +4,7 @@ CXX = arm-none-eabi-g++
 OBJCOPY = arm-none-eabi-objcopy
 
 linker_script = bootloader.ld
-includes = 
+includes =
 sources =
 
 CFLAGS = -march=armv6-m -g -ffunction-sections -fdata-sections -Os -Werror -Wall -flto
@@ -43,9 +43,6 @@ app.elf: $(app_objects) app.ld
 
 deps = $(app_objects:.o=.d) $(bootloader_objects:.o=.d)
 
-clean:
-	rm -rf *.elf *.bin $(tests) $(app_objects) $(bootloader_objects) $(deps)
-
 HOSTCXX = /usr/local/opt/llvm/bin/clang++
 HOSTLDFLAGS = -lgmock -lgtest -lgtest_main -L/usr/local/opt/llvm/lib -L/usr/local/lib
 HOSTCFLAGS = -std=c++20 -g\
@@ -83,5 +80,10 @@ async_test_asan: async_test.cc async.host.o
 
 test_deps = async.host.d
 
+
+clean:
+	rm -rf *.elf *.bin $(app_objects) $(bootloader_objects) $(deps)
+	rm -rf test/ *.dSYM $(tests) $(test_deps) *.o
+
 -include $(deps)
 -include $(test_deps)