diff --git a/modules/bibformat/doc/admin/guide001.gif b/modules/bibformat/doc/admin/guide001.gif
deleted file mode 100644
index 521ff8d31..000000000
Binary files a/modules/bibformat/doc/admin/guide001.gif and /dev/null differ
diff --git a/modules/bibformat/doc/admin/guide002.png b/modules/bibformat/doc/admin/guide002.png
deleted file mode 100644
index 00be3f84e..000000000
Binary files a/modules/bibformat/doc/admin/guide002.png and /dev/null differ
diff --git a/modules/bibformat/doc/admin/guide003.jpg b/modules/bibformat/doc/admin/guide003.jpg
deleted file mode 100644
index 4cd1427a1..000000000
Binary files a/modules/bibformat/doc/admin/guide003.jpg and /dev/null differ
diff --git a/modules/bibformat/doc/admin/guide004.gif b/modules/bibformat/doc/admin/guide004.gif
deleted file mode 100644
index 48883185f..000000000
Binary files a/modules/bibformat/doc/admin/guide004.gif and /dev/null differ