diff --git a/flex.spec b/flex.spec
index 14e2487..79f5ecb 100644
--- a/flex.spec
+++ b/flex.spec
@@ -18,7 +18,6 @@ Patch1: flex-max_size.patch
 Patch2: flex-new_size.patch
 Patch3: flex-yy_buf_size.patch
 
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires: m4
 BuildRequires: gettext bison m4 help2man
 Requires(post): /sbin/install-info