diff --git a/.gitignore b/.gitignore
index 43cad3d..1fe5e0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 build
 result
+*.o
diff --git a/Makefile b/Makefile
index 823a4cb..9f546a1 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ build/%.o: build/%.S
 
 clean:
 	rm build/* 2> /dev/null || true
+	$(MAKE) -C syscall clean
 
 build/%.S: src/%.jazz
 	JASMINPATH="Jade=libjade/src/" $(JC) $< -o $@
diff --git a/syscall/Makefile b/syscall/Makefile
index e985027..ff518ad 100644
--- a/syscall/Makefile
+++ b/syscall/Makefile
@@ -1,3 +1,8 @@
+.PHONY: clean
+
 all: jasmin_syscall.o 
 
 jasmin_syscall.o: jasmin_syscall.c jasmin_syscall.h 
+
+clean:
+	rm jasmin_syscall.o || true
diff --git a/syscall/jasmin_syscall.o b/syscall/jasmin_syscall.o
deleted file mode 100644
index 66eefbc..0000000
Binary files a/syscall/jasmin_syscall.o and /dev/null differ