diff --git a/.github/workflows/manual_worflow.yml b/.github/workflows/manual_worflow.yml
deleted file mode 100644
index cec9fba..0000000
--- a/.github/workflows/manual_worflow.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-on:
-  workflow_dispatch:
-
-jobs:
-  manual_worflow:
-    name: manual workflow
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Run `lsb_release -a`
-        run: lsb_release -a
-      - name: Run `apt policy fish`
-        run: apt policy fish
-      - name: Run `cat /etc/os-release`
-        run: cat /etc/os-release
diff --git a/.github/workflows/test_codespaces_install.yml b/.github/workflows/test_codespaces_install.yml
deleted file mode 100644
index ab42633..0000000
--- a/.github/workflows/test_codespaces_install.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-on:
-  push:
-    paths:
-      - install.sh
-      - install_tmux.sh
-      - install_nvim.sh
-      - install_fzf.sh
-      - install_fish.sh
-
-jobs:
-  install_codespaces_setup:
-    name: install codespaces setup
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v1
-      - run: bash install.sh
-      - run: tmux -V
-      - run: nvim --version
-      - run: fzf --version
-      - run: fish --version
-      - run: echo $0
diff --git a/.github/workflows/test_install_fish.yml b/.github/workflows/test_install_fish.yml
deleted file mode 100644
index 56e54ed..0000000
--- a/.github/workflows/test_install_fish.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-on:
-  push:
-    paths: install_fish.sh
-
-jobs:
-  install_fish:
-    name: install fish
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v1
-      - run: bash install_fish.sh
-      - run: fish --version
diff --git a/.github/workflows/test_install_fzf.yml b/.github/workflows/test_install_fzf.yml
deleted file mode 100644
index 7639f7c..0000000
--- a/.github/workflows/test_install_fzf.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-on:
-  push:
-    paths: install_fzf.sh
-
-jobs:
-  install_fzf:
-    name: install fzf
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v1
-      - run: bash install_fzf.sh
-      - run: fzf --version
diff --git a/.github/workflows/test_install_nvim.yml b/.github/workflows/test_install_nvim.yml
deleted file mode 100644
index 694a3a8..0000000
--- a/.github/workflows/test_install_nvim.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-on:
-  push:
-    paths: install_nvim.sh
-
-jobs:
-  install_nvim:
-    name: install nvim
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v1
-      - run: bash install_nvim.sh
-      - run: nvim --version
diff --git a/.github/workflows/test_install_tmux.yml b/.github/workflows/test_install_tmux.yml
deleted file mode 100644
index e8c6506..0000000
--- a/.github/workflows/test_install_tmux.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-on:
-  push:
-    paths: install_tmux.sh
-
-jobs:
-  install_tmux:
-    name: install tmux
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v1
-      - run: bash install_tmux.sh
-      - run: tmux -V