diff --git a/tclap-doc.changes b/tclap-doc.changes
new file mode 100644
index 0000000..6b6f3bd
--- /dev/null
+++ b/tclap-doc.changes
@@ -0,0 +1,4 @@
+-------------------------------------------------------------------
+Tue May 26 11:48:54 UTC 2020 - Martin Liška <mliska@suse.cz>
+
+- New split sub-package.
diff --git a/tclap-doc.spec b/tclap-doc.spec
new file mode 100644
index 0000000..f844be9
--- /dev/null
+++ b/tclap-doc.spec
@@ -0,0 +1,65 @@
+#
+# spec file for package tclap-doc
+#
+# Copyright (c) 2020 SUSE LLC
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
+#
+
+
+Name:           tclap-doc
+Version:        1.2.1
+Release:        0
+Summary:        API Documentation for %{name}
+License:        MIT
+Group:          Development/Libraries/C and C++
+URL:            http://tclap.sf.net
+Source0:        http://prdownloads.sourceforge.net/tclap/tclap-%{version}.tar.gz
+BuildRequires:  doxygen
+BuildRequires:  fdupes
+BuildRequires:  gcc-c++
+BuildRequires:  graphviz
+BuildRequires:  libstdc++-devel
+BuildRequires:  pkgconfig
+BuildArch:      noarch
+
+%description
+
+This package contains the API documentation for TCLAP, the Templatized
+C++ Command Line Parser.
+
+%prep
+%setup -q -n tclap-%{version}
+
+%build
+%configure \
+	 --enable-doxygen
+%make_build
+
+%install
+%make_install
+
+install -d "%{buildroot}%{_docdir}/%{name}"
+
+mv "%{buildroot}%{_datadir}/doc/tclap" "%{buildroot}%{_docdir}/%{name}/html"
+rm -rf "%{buildroot}%{_docdir}/%{name}/html/html/CVS"
+
+%fdupes -s "%{buildroot}%{_docdir}/%{name}/html"
+
+rm -rf %{buildroot}/%{_includedir}/tclap
+rm -f %{buildroot}/%{_libdir}/pkgconfig/tclap.pc
+
+%files
+%doc %dir %{_docdir}/%{name}
+%doc %{_docdir}/%{name}/html
+
+%changelog
diff --git a/tclap.changes b/tclap.changes
index 3885ea3..6500da0 100644
--- a/tclap.changes
+++ b/tclap.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May 26 11:48:40 UTC 2020 - Martin Liška <mliska@suse.cz>
+
+- Split -doc subpackage to a different spec file.
+
 -------------------------------------------------------------------
 Fri Dec 11 11:14:58 UTC 2015 - mpluskal@suse.com
 
diff --git a/tclap.spec b/tclap.spec
index f7d85f6..9e46d30 100644
--- a/tclap.spec
+++ b/tclap.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package tclap
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -22,17 +22,14 @@ Release:        0
 Summary:        Templatized C++ Command Line Parser
 License:        MIT
 Group:          Development/Libraries/C and C++
-Url:            http://tclap.sf.net
+URL:            http://tclap.sf.net
 Source0:        http://prdownloads.sourceforge.net/tclap/tclap-%{version}.tar.gz
-BuildRequires:  doxygen
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
-BuildRequires:  graphviz
 BuildRequires:  libstdc++-devel
-BuildRequires:  pkg-config
+BuildRequires:  pkgconfig
 Provides:       libtclap = %{version}
 Provides:       libtclap-devel = %{version}
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 TCLAP is a small, flexible library that provides a simple interface for
@@ -43,50 +40,27 @@ identical-except-for-type objects, such as IntArg, FloatArg, and StringArg.
 While the library is not strictly compliant with the GNU or POSIX standards, it
 is close.
 
-%package doc
-Summary:        API Documentation for %{name}
-Group:          Development/Libraries/C and C++
-
-%description doc
-This package contains the API documentation for TCLAP, the Templatized
-C++ Command Line Parser.
-
 %prep
 %setup -q
 
 %build
-%configure \
-	 --enable-doxygen
-make %{?_smp_mflags}
+%configure
+%make_build
 
 %install
 %make_install
 
 install -d "%{buildroot}%{_docdir}/%{name}"
-
 mv "%{buildroot}%{_datadir}/doc/tclap" "%{buildroot}%{_docdir}/%{name}/html"
-rm -rf "%{buildroot}%{_docdir}/%{name}/html/html/CVS"
-
-echo -n > docfiles.lst
-for f in AUTHORS ChangeLog COPYING NEWS README; do
-	 install -m0644 "$f" "%{buildroot}%{_docdir}/%{name}/$f"
-	 echo "%doc %{_docdir}/%{name}/${f}" >> docfiles.lst
-done
-
-%fdupes -s "%{buildroot}%{_docdir}/%{name}/html"
+rm -rf "%{buildroot}%{_docdir}/%{name}"
 
 %check
-make %{?_smp_mflags} check
+%make_build check
 
-%files -f docfiles.lst
-%defattr(-,root,root)
-%doc %dir %{_docdir}/%{name}
+%files
+%license COPYING
+%doc AUTHORS ChangeLog NEWS README
 %{_includedir}/tclap
 %{_libdir}/pkgconfig/tclap.pc
 
-%files doc
-%defattr(-,root,root)
-%doc %dir %{_docdir}/%{name}
-%doc %{_docdir}/%{name}/html
-
 %changelog