diff --git a/LibOS/shim/test/ltp/Makefile b/LibOS/shim/test/ltp/Makefile
index bfe767da..28353205 100644
--- a/LibOS/shim/test/ltp/Makefile
+++ b/LibOS/shim/test/ltp/Makefile
@@ -16,8 +16,9 @@ $(SRCDIR)/configure: $(SRCDIR)/Makefile
 
 $(BUILDDIR)/runltp: $(SRCDIR)/configure
 	cd $(SRCDIR) && ./configure
-	cd $(SRCDIR) && $(MAKE) all
-	cd $(SRCDIR) && $(MAKE) "DESTDIR=$(PWD)" SKIP_IDCHECK=1 install
+	cd $(SRCDIR) && $(MAKE) FILTER_OUT_DIRS=delete_module -C testcases/kernel/syscalls
+	cd $(SRCDIR) && $(MAKE) FILTER_OUT_DIRS=delete_module "DESTDIR=$(PWD)" -C runtest SKIP_IDCHECK=1 install
+	cd $(SRCDIR) && $(MAKE) FILTER_OUT_DIRS=delete_module "DESTDIR=$(PWD)" -C testcases/kernel/syscalls SKIP_IDCHECK=1 install
 
 $(TESTCASEDIR)/pal_loader: $(BUILDDIR)/runltp
 	ln -sf $(call relative-to,$(dir $@),../../Runtime/pal_loader) $@