diff --git a/Jmol-14.27.2-binary.tar.gz b/Jmol-14.27.2-binary.tar.gz
deleted file mode 100644
index ae39089..0000000
--- a/Jmol-14.27.2-binary.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bbfd9146dc6bc342ec95f59780b954deac4c1b6b433db776f3121365a3fc2e79
-size 70273385
diff --git a/jmol-14.27.2.tar.xz b/jmol-14.27.2.tar.xz
new file mode 100644
index 0000000..0926667
--- /dev/null
+++ b/jmol-14.27.2.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e0b87cb213d80e9f1a0486d8de7f452d6a1d938d4d4e7decff9026e3eb5406a
+size 16291840
diff --git a/jmol.changes b/jmol.changes
index ac3eb54..79ba2c2 100644
--- a/jmol.changes
+++ b/jmol.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jan 19 23:24:04 UTC 2018 - jengelh@inai.de
+
+- Drop bundled jsmol and jspecview from package.
+
 -------------------------------------------------------------------
 Mon Dec 25 23:52:45 UTC 2017 - jengelh@inai.de
 
diff --git a/jmol.spec b/jmol.spec
index 80784ca..6999f89 100644
--- a/jmol.spec
+++ b/jmol.spec
@@ -24,17 +24,19 @@ License:        LGPL-2.1
 Group:          Productivity/Scientific/Chemistry
 Url:            http://jmol.sf.net/
 
-Source:         http://downloads.sf.net/jmol/Jmol-%version-binary.tar.gz
+#Source:         http://downloads.sf.net/jmol/Jmol-%version-binary.tar.gz
+Source:         jmol-%version.tar.xz
 Source2:        Jmol_icon13.png
 #Source2-Orig:  http://wiki.jmol.org/index.php/File:Jmol_icon13.png
 Source3:        %name.man
 Source4:        %name.desktop
+Source9:        sanitize_binpkg.sh
 Patch1:         datadir.diff
 BuildArch:      noarch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  desktop-file-utils
 BuildRequires:  dos2unix
-BuildRequires:  unzip
+BuildRequires:  xz
 BuildRequires:  update-desktop-files
 Requires:       java
 
diff --git a/sanitize_binpkg.sh b/sanitize_binpkg.sh
new file mode 100644
index 0000000..b09dbaa
--- /dev/null
+++ b/sanitize_binpkg.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+v=14.27.2
+rm -rf "jmol-$v"
+tar -xf "Jmol-$v-binary.tar.gz"
+# kill bundled software
+rm "jmol-$v/jsmol.zip" "jmol-$v/JSpecView.jar"
+tar -cf "jmol-$v.tar.xz" "jmol-$v"