diff --git a/Makefile b/Makefile
index 6ee44de2..6e4e8361 100644
--- a/Makefile
+++ b/Makefile
@@ -12,3 +12,4 @@ install:
 clean:
 	make -C crt0/ clean
 	make -C nx/ clean
+	make -C tools/ clean
diff --git a/tools/Makefile b/tools/Makefile
index 6e516457..1d5269b5 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -12,3 +12,4 @@ install: all
 
 clean:
 	rm -f elf2nso
+	rm -f build_pfs0