diff --git a/repo-utils/Makefile b/repo-utils/Makefile
deleted file mode 100644
index 0b3d6e6..0000000
--- a/repo-utils/Makefile
+++ /dev/null
@@ -1,28 +0,0 @@
-
-HELP_FUN = \
-    %help; while(<>){push@{$$help{$$2//'options'}},[$$1,$$3] \
-    if/^([\w-_]+)\s*:.*\#\#(?:@(\w+))?\s(.*)$$/}; \
-    print"$$_:\n", map"  $$_->[0]".(" "x(20-length($$_->[0])))."$$_->[1]\n",\
-    @{$$help{$$_}},"\n" for keys %help; \
-
-help: ##@Miscellaneous Show this help
-	@echo -e "Usage: make [target] ...\n"
-	@perl -e '$(HELP_FUN)' $(MAKEFILE_LIST)
-
-
-wheel:        ##@PyPI build local wheel
-	bash wheel.sh
-
-wheel-push:   ##@PyPI push local wheel
-	bash wheel-push.sh
-
-pypi-package: wheel wheel-push  ##@PyPI wheel build + push
-
-tag:          ##@Repo create and push tag from version.txt
-	bash tag.sh
-
-pypi-release: ##@Repo perform several actions for PyPI package release and repo update
-	bash increase-version.sh 
-	make pypi-package
-	bash commit-version.sh
-	make tag
diff --git a/repo-utils/commit-version.sh b/repo-utils/commit-version.sh
deleted file mode 100644
index e8b1d54..0000000
--- a/repo-utils/commit-version.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# performs minimal commit and push with default version message
-# 
-#
-#
-
-cd ../
-
-git add .
-git commit -m "update to $(cat version.txt)"
-git push
diff --git a/repo-utils/get-python.sh b/repo-utils/get-python.sh
deleted file mode 100644
index a5697ec..0000000
--- a/repo-utils/get-python.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#
-# seeks for the Python interpreter in the parent directory
-#
-# exites with error if cannot found
-#
-
-cd ../
-
-PYTHON=""
-for python in "venv/bin/python" ".venv/bin/python" "python"
-do
-    if [ -x "$(command -v ${python})" ]
-    then
-        echo -e "Use python: $(which $python)"
-        PYTHON=${python}
-        break
-    else
-        echo "Not found python from ${python}"
-    fi
-done
-
-if [ -z $PYTHON ]
-then
-    echo "Python interpreter not found!"
-    exit 1
-fi
-
diff --git a/repo-utils/increase-version.sh b/repo-utils/increase-version.sh
deleted file mode 100644
index b53dade..0000000
--- a/repo-utils/increase-version.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#
-# increases the minor version in the version.txt file
-#
-
-
-# https://stackoverflow.com/a/10638555/13119067
-
-set -e
-
-cd ../
-
-v="$(cat version.txt)"
-pre="${v%.*}"
-post="${v##*.}"
-
-(( post += 1 ))
-
-echo -n "$pre.$post" > version.txt
-
diff --git a/repo-utils/tag.sh b/repo-utils/tag.sh
deleted file mode 100644
index a8debef..0000000
--- a/repo-utils/tag.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# tags current commit and pushes it to repo
-#
-
-set -e
-
-cd ../
-
-git tag "$(cat version.txt)"
-git push --tags
-
diff --git a/repo-utils/wheel-push.sh b/repo-utils/wheel-push.sh
deleted file mode 100644
index a498bee..0000000
--- a/repo-utils/wheel-push.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# pushes to pypi with credentials reading
-#
-# credentials are file usually called pypi.sh (in the parent directory) with next variables:
-#   PYPI_USERNAME=__token__
-#   PYPI_PASSWORD=pypi-AgEIcHlwaS5vcmcCJG...
-#
-# usage:
-#   bash wheel-push pypi-file(=../pypi.sh)
-#
-
-set -e
-
-pypi_creds=${1:-../pypi.sh}
-
-source get-python.sh
-
-if [ -f "${pypy_creds}" ]
-then 
-    source ${pypi_creds}
-fi
-
-U=${PYPI_USERNAME}
-P=${PYPI_PASSWORD}
-
-if [ -n "$U" ] && [ -n "$P" ]
-then 
-    $PYTHON -m twine upload -u $U -p $P dist/* --skip-existing
-else
-    echo "credentials not found"
-    $PYTHON -m twine upload dist/* --skip-existing
-fi
-
diff --git a/repo-utils/wheel.sh b/repo-utils/wheel.sh
deleted file mode 100644
index e97b275..0000000
--- a/repo-utils/wheel.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-
-set -e
-
-source get-python.sh
-
-if [ ! -f setup.py ]
-then
-    echo "setup.py not found! exiting"
-    exit 1
-fi
-
-$PYTHON setup.py develop
-$PYTHON setup.py sdist
-$PYTHON setup.py bdist_wheel