diff --git a/include/host-build.mk b/include/host-build.mk
index 06f93a14ade8d36000eabbf963b7296f18ff3de4..e011c1548011f84d18178fff94fece011e762d23 100644
--- a/include/host-build.mk
+++ b/include/host-build.mk
@@ -136,6 +136,8 @@ define Host/Exports/Default
 endef
 Host/Exports=$(Host/Exports/Default)
 
+.NOTPARALLEL:
+
 ifndef DUMP
   define HostBuild
   $(if $(HOST_QUILT),$(Host/Quilt))
diff --git a/include/package.mk b/include/package.mk
index e93aebf67db18424a9158ac970b40dc2175d2c2f..3ec5ffdadd3d7c711e044118b14616122427ec11 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -248,6 +248,8 @@ Build/Install=$(if $(PKG_INSTALL),$(call Build/Install/Default,))
 Build/Dist=$(call Build/Dist/Default,)
 Build/DistCheck=$(call Build/DistCheck/Default,)
 
+.NOTPARALLEL:
+
 $(PACKAGE_DIR):
 	mkdir -p $@