diff --git a/dev-build/FoBiS/FoBiS-3.0.5-r1.ebuild b/dev-build/FoBiS/FoBiS-3.0.5-r1.ebuild
deleted file mode 100644
index 3a2b7591c8..0000000000
--- a/dev-build/FoBiS/FoBiS-3.0.5-r1.ebuild
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{11..12} )
-PYPI_PN="${PN}.py"
-PYPI_NO_NORMALIZE=1
-
-inherit distutils-r1 pypi
-
-DESCRIPTION="FoBiS.py, a Fortran Building System for poor men"
-HOMEPAGE="https://github.com/szaghi/FoBiS"
-
-LICENSE="GPL-3"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="graphviz"
-RESTRICT="mirror"
-
-RDEPEND="
-	graphviz? ( dev-python/graphviz[${PYTHON_USEDEP}] )
-"
-
-# removing "import future" and "from past.utils import old_div" from python scripts
-PATCHES=( "${FILESDIR}/${PN}-3.0.2-remove-import-future_olddiv.patch" )
diff --git a/dev-build/FoBiS/FoBiS-3.0.6.ebuild b/dev-build/FoBiS/FoBiS-3.0.6.ebuild
deleted file mode 100644
index ebd6be0d65..0000000000
--- a/dev-build/FoBiS/FoBiS-3.0.6.ebuild
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{11..13} )
-PYPI_PN="${PN}.py"
-PYPI_NO_NORMALIZE=1
-
-inherit distutils-r1 pypi
-
-DESCRIPTION="FoBiS.py, a Fortran Building System for poor men"
-HOMEPAGE="https://github.com/szaghi/FoBiS"
-
-LICENSE="GPL-3"
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="graphviz"
-RESTRICT="mirror"
-
-RDEPEND="
-	graphviz? ( dev-python/graphviz[${PYTHON_USEDEP}] )
-"
-
-# removing "import future" and "from past.utils import old_div" from python scripts
-PATCHES=( "${FILESDIR}/${PN}-3.0.2-remove-import-future_olddiv.patch" )
diff --git a/dev-build/FoBiS/Manifest b/dev-build/FoBiS/Manifest
index c1559eeec7..27e255bf1f 100644
--- a/dev-build/FoBiS/Manifest
+++ b/dev-build/FoBiS/Manifest
@@ -1,3 +1 @@
-DIST FoBiS.py-3.0.5.tar.gz 49171 BLAKE2B c65726e84e5eb55d741aeb04f5cf44e94796af2b6539695f1b7a19f56ccfa2ece45d9bd4fabdd224a9d8e113f8e7f5e1258c52ad5f1837b23896a4e4edef971a SHA512 8f0e495cd73f81685b05fd5d491ef21e533a0caba6be5b1a892a15f5f22a625faf038af3f43a700fb6ff4f26d753b50137527fbd380dd17fca6ea1943369c84b
-DIST FoBiS.py-3.0.6.tar.gz 49871 BLAKE2B 94aef56602d0b873da5f66a6abccd0256c73ee8fcfbab8ad1af7b26824411cc18c218c38162a4faf1b9a670ecf85a9938ff51d64c2e2773c0d435706f7ab9f57 SHA512 a9504d3d7dbc66f51902eb9101b40da61d75eddcb8daba452aa697768ccb6333a7945439faef05070df686064009ba669ae11631d585656680ff3ca5c049d87d
 DIST FoBiS.py-3.1.0.tar.gz 50502 BLAKE2B b89865372c1d31ea216de1f5ead15f790ab0c09dbf70da9c2ee9100f02db1ff29a2167b3bc3c18319d5a2028c7d672d97c15cfdcd74b5166c0c00d6e8214ef35 SHA512 f5110ecd2ebc17e6c9a7e53b54957b4ac104eed42ffb34b0b2061f4cf43ac847ed3160d5e92c7f9211c28a4bbeaa9f271bcd6e07f0edd2cbfd60f8cb102ac27c
diff --git a/dev-build/FoBiS/files/FoBiS-3.0.2-remove-import-future_olddiv.patch b/dev-build/FoBiS/files/FoBiS-3.0.2-remove-import-future_olddiv.patch
deleted file mode 100644
index c79c28d20f..0000000000
--- a/dev-build/FoBiS/files/FoBiS-3.0.2-remove-import-future_olddiv.patch
+++ /dev/null
@@ -1,171 +0,0 @@
-diff -Nur a/fobis/Builder.py b/fobis/Builder.py
---- a/fobis/Builder.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Builder.py	2020-02-21 20:10:30.000000000 +0300
-@@ -22,8 +22,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import range
- from builtins import *
-diff -Nur a/fobis/Cleaner.py b/fobis/Cleaner.py
---- a/fobis/Cleaner.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Cleaner.py	2020-02-21 20:10:39.000000000 +0300
-@@ -22,8 +22,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import *
- from builtins import object
- import os
-diff -Nur a/fobis/Colors.py b/fobis/Colors.py
---- a/fobis/Colors.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Colors.py	2020-02-21 20:10:49.000000000 +0300
-@@ -24,8 +24,6 @@
- from __future__ import unicode_literals
- 
- 
--from future import standard_library
--standard_library.install_aliases()
- from builtins import *
- from builtins import object
- class Colors(object):
-diff -Nur a/fobis/Compiler.py b/fobis/Compiler.py
---- a/fobis/Compiler.py	2019-12-10 20:10:04.000000000 +0300
-+++ b/fobis/Compiler.py	2020-02-21 20:10:56.000000000 +0300
-@@ -29,8 +29,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/Dependency.py b/fobis/Dependency.py
---- a/fobis/Dependency.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Dependency.py	2020-02-21 20:11:05.000000000 +0300
-@@ -23,8 +23,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/Doctest.py b/fobis/Doctest.py
---- a/fobis/Doctest.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Doctest.py	2020-02-21 20:11:12.000000000 +0300
-@@ -24,8 +24,6 @@
- from __future__ import absolute_import
- from __future__ import division
- from __future__ import unicode_literals
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/FoBiSConfig.py b/fobis/FoBiSConfig.py
---- a/fobis/FoBiSConfig.py	2019-12-10 20:10:31.000000000 +0300
-+++ b/fobis/FoBiSConfig.py	2020-02-21 20:11:22.000000000 +0300
-@@ -28,8 +28,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/Fobos.py b/fobis/Fobos.py
---- a/fobis/Fobos.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Fobos.py	2020-02-21 20:11:29.000000000 +0300
-@@ -29,8 +29,6 @@
- from __future__ import absolute_import
- from __future__ import division
- from __future__ import unicode_literals
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/Gcov.py b/fobis/Gcov.py
---- a/fobis/Gcov.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/Gcov.py	2020-02-21 20:19:45.000000000 +0300
-@@ -23,12 +23,9 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
--from past.utils import old_div
- try:
-   from pygooglechart import PieChart2D
-   __graph__ = True
-diff -Nur a/fobis/ParsedFile.py b/fobis/ParsedFile.py
---- a/fobis/ParsedFile.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/ParsedFile.py	2020-02-21 20:11:53.000000000 +0300
-@@ -23,8 +23,6 @@
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
- 
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- from builtins import object
-diff -Nur a/fobis/__init__.py b/fobis/__init__.py
---- a/fobis/__init__.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/__init__.py	2020-02-21 20:12:01.000000000 +0300
-@@ -20,6 +20,4 @@
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
- 
--from future import standard_library
--standard_library.install_aliases()
- from builtins import *
-\ No newline at end of file
-diff -Nur a/fobis/cli_parser.py b/fobis/cli_parser.py
---- a/fobis/cli_parser.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/cli_parser.py	2020-02-21 20:12:07.000000000 +0300
-@@ -21,8 +21,6 @@
- #
- # You should have received a copy of the GNU General Public License
- # along with FoBiS.py. If not, see <http://www.gnu.org/licenses/>.
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- import argparse
-diff -Nur a/fobis/fobis.py b/fobis/fobis.py
---- a/fobis/fobis.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/fobis.py	2020-02-21 20:12:13.000000000 +0300
-@@ -23,8 +23,6 @@
- from __future__ import absolute_import
- from __future__ import division
- from __future__ import unicode_literals
--from future import standard_library
--standard_library.install_aliases()
- from builtins import *
- try:
-   import configparser as configparser
-diff -Nur a/fobis/utils.py b/fobis/utils.py
---- a/fobis/utils.py	2019-12-06 15:58:52.000000000 +0300
-+++ b/fobis/utils.py	2020-02-21 20:12:18.000000000 +0300
-@@ -21,8 +21,6 @@
- from __future__ import absolute_import
- from __future__ import division
- from __future__ import unicode_literals
--from future import standard_library
--standard_library.install_aliases()
- from builtins import str
- from builtins import *
- import os