diff --git a/Makefile b/Makefile
index f001eb5..368c19b 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,7 @@ release: pre-build out/rom.bin out/symbol.txt
 
 clean: cleanobj cleanres cleanlst cleandep
 	$(RM) -f out.lst out/cmd_ out/symbol.txt out/rom.nm out/rom.wch out/rom.bin out/rom.s
+	$(MAKE) -C tests clean-target
 
 out/rom.bin: out/rom.out
 	$(OBJCPY) -O binary out/rom.out out/rom.bin
@@ -47,7 +48,7 @@ out/rom.s: out/rom.out
 	m68k-elf-objdump -D -S $^ > $@
 
 unit-test:
-	$(MAKE) -C tests clean-target unit
+	$(MAKE) -C tests unit
 .PHONY: unit-test
 
 test:
diff --git a/tests/Makefile b/tests/Makefile
index 0bef8ac..d87896a 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -227,7 +227,7 @@ CMOCKA_DIR=cmocka
 UNIT_TESTS_TARGET=$(BIN_DIR)/unit_tests
 SYSTEM_TESTS_TARGET=$(BIN_DIR)/system_tests
 
-all: clean-target unit system
+all: unit system
 
 unit: $(UNIT_TESTS_TARGET)
 	$(GDB) ./$(UNIT_TESTS_TARGET)