diff --git a/dev-python/guiqwt/guiqwt-4.4.5-r1.ebuild b/dev-python/guiqwt/guiqwt-4.4.5-r1.ebuild
new file mode 100644
index 0000000000..3fff696bf0
--- /dev/null
+++ b/dev-python/guiqwt/guiqwt-4.4.5-r1.ebuild
@@ -0,0 +1,29 @@
+# Copyright 1999-2019 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11,12} )
+
+inherit distutils-r1
+
+DESCRIPTION="Efficient 2D plotting Python library based on PythonQwt "
+HOMEPAGE="https://pypi.python.org/pypi/guiqwt"
+SRC_URI="https://github.com/PlotPyStack/guiqwt/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+LICENSE="MIT"
+
+SLOT="0"
+RETRICT="test"
+
+RDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+	dev-python/guidata[${PYTHON_USEDEP}]
+	dev-python/numpy[${PYTHON_USEDEP}]
+	dev-python/pillow[${PYTHON_USEDEP}]
+	dev-python/PythonQwt[${PYTHON_USEDEP}]
+	dev-python/QtPy[${PYTHON_USEDEP}]
+	dev-python/scipy[${PYTHON_USEDEP}]
+"
+
+KEYWORDS="~amd64 ~x86"
diff --git a/virtual/Matrix/Matrix-0.ebuild b/virtual/Matrix/Matrix-0.ebuild
deleted file mode 100644
index c5c4cb0303..0000000000
--- a/virtual/Matrix/Matrix-0.ebuild
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Virtual of a R recommended package"
-SRC_URI=""
-
-SLOT="0"
-KEYWORDS="~amd64"
-
-RDEPEND="
-	|| (
-		dev-lang/R[-minimal]
-		dev-R/Matrix
-	)
-"