diff --git a/sudo.spec b/sudo.spec
index 1c28a66..f149eb6 100644
--- a/sudo.spec
+++ b/sudo.spec
@@ -18,15 +18,11 @@ Requires: pam
 
 BuildRequires: make
 BuildRequires: pam-devel
-BuildRequires: groff
 BuildRequires: openldap-devel
-BuildRequires: flex
-BuildRequires: bison
 BuildRequires: libtool
 BuildRequires: audit-libs-devel libcap-devel
 BuildRequires: libselinux-devel
 BuildRequires: systemd-rpm-macros
-BuildRequires: gettext
 BuildRequires: zlib-devel