diff --git a/Makefile.builder b/Makefile.builder
index abaf768..c19f19c 100644
--- a/Makefile.builder
+++ b/Makefile.builder
@@ -1,4 +1,3 @@
 RPM_SPEC_FILES := rpm_spec/qubes-utils.spec rpm_spec/qubes-kernel-vm-support.spec
-RPM_USE_MOCKBUILD := 1
 ARCH_BUILD_DIRS := archlinux
 DEBIAN_BUILD_DIRS := debian