diff --git a/rpm_spec/core-dom0.spec.in b/rpm_spec/core-dom0.spec.in
index bd5c8679..2fc03e75 100644
--- a/rpm_spec/core-dom0.spec.in
+++ b/rpm_spec/core-dom0.spec.in
@@ -109,10 +109,6 @@ Provides:	preupgrade = 2.0
 
 Source0: %{name}-%{version}.tar.gz
 
-%if 0%{?qubes_builder}
-%define _builddir %(pwd)
-%endif
-
 %description
 The Qubes core files for installation on Dom0.