diff --git a/system/statifier/statifier.SlackBuild b/system/statifier/statifier.SlackBuild
index 543c26aa5b..539e2d8b7b 100644
--- a/system/statifier/statifier.SlackBuild
+++ b/system/statifier/statifier.SlackBuild
@@ -8,6 +8,8 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20221228 bkw: BUILD=2, remove useless INSTALL from doc dir.
+
 # 20180118 bkw:
 # - take over maintenance.
 # - update for v1.7.4.
@@ -19,7 +21,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=statifier
 VERSION=${VERSION:-1.7.4}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -87,7 +89,7 @@ gzip $PKG/usr/man/man1/$PRGNAM.1
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a \
-  AUTHORS ChangeLog FAQ INSTALL LICENSE NEWS \
+  AUTHORS ChangeLog FAQ LICENSE NEWS \
   README RELEASE THANKS TODO VERSION doc \
   $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild