diff --git a/source-builder/config/sis-2-1.cfg b/source-builder/config/sis-2-1.cfg
index a07b2db..a3b9515 100644
--- a/source-builder/config/sis-2-1.cfg
+++ b/source-builder/config/sis-2-1.cfg
@@ -43,7 +43,6 @@ Release:   %{release}
   fi
   CFLAGS="$SB_CFLAGS" \
   ./configure \
-    --build=%{_build} --host=%{_host} \
     --program-prefix="$SIS_PREFIX" \
     --prefix=${ac_prefix}