diff --git a/gauche.spec b/gauche.spec
index 3d74ea3..77b0a67 100644
--- a/gauche.spec
+++ b/gauche.spec
@@ -11,7 +11,6 @@ URL:            http://practical-scheme.net/gauche/index.html
 Source:         http://download.sourceforge.net/gauche/Gauche-%{version}.tgz
 
 %if 0%{?el5}
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 %endif
 
 BuildRequires:  gdbm-devel