diff --git a/rpm_spec/core-dom0.spec b/rpm_spec/core-dom0.spec
index 4390d3e3..d8233567 100644
--- a/rpm_spec/core-dom0.spec
+++ b/rpm_spec/core-dom0.spec
@@ -57,7 +57,6 @@ python -O -m compileall qvm-core qmemman
 make -C restore
 make -C qubes_rpc
 make -C ../qubes_rpc
-make -C ../u2mfn
 make -C ../vchan -f Makefile.linux
 make -C ../qrexec
 make -C ../misc
diff --git a/rpm_spec/core-vm.spec b/rpm_spec/core-vm.spec
index 0e4e17ef..fe131b56 100644
--- a/rpm_spec/core-vm.spec
+++ b/rpm_spec/core-vm.spec
@@ -57,7 +57,6 @@ BuildRequires: xen-devel
 The Qubes core files for installation inside a Qubes VM.
 
 %build
-make -C u2mfn
 make -C vchan -f Makefile.linux
 make -C misc
 make -C qubes_rpc