diff --git a/.gitignore b/.gitignore
index 158d44b..6138118 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,3 @@ vim/.netrwhist
 jupyter/
 node_modules/
 package-lock.json
-vim/coc/extensions/db.json
diff --git a/.gitmodules b/.gitmodules
index 766e280..d83ec34 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,9 +7,3 @@
 [submodule "vim/pack/plugins/start/vim-colors-solarized"]
 	path = vim/pack/plugins/start/vim-colors-solarized
 	url = https://github.com/altercation/vim-colors-solarized.git
-[submodule "vim/pack/plugins/opt/vim-gitgutter"]
-	path = vim/pack/plugins/opt/vim-gitgutter
-	url = https://github.com/airblade/vim-gitgutter.git
-[submodule "vim/pack/plugins/opt/yats.vim"]
-	path = vim/pack/plugins/opt/yats.vim
-	url = https://github.com/HerringtonDarkholme/yats.vim
diff --git a/vim/coc/extensions/package.json b/vim/coc/extensions/package.json
deleted file mode 100644
index 31b8e9c..0000000
--- a/vim/coc/extensions/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "dependencies": {
-    "coc-tsserver": ">=1.6.1"
-  }
-}
diff --git a/vim/coc/memos.json b/vim/coc/memos.json
deleted file mode 100644
index 9e26dfe..0000000
--- a/vim/coc/memos.json
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/vim/ftplugin/typescript.vim b/vim/ftplugin/typescript.vim
deleted file mode 100644
index 43977bd..0000000
--- a/vim/ftplugin/typescript.vim
+++ /dev/null
@@ -1 +0,0 @@
-packadd yats.vim
diff --git a/vim/pack/plugins/opt/vim-gitgutter b/vim/pack/plugins/opt/vim-gitgutter
deleted file mode 160000
index 2ee9568..0000000
--- a/vim/pack/plugins/opt/vim-gitgutter
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2ee95686c5944f99b42dd04fec005b30497006de
diff --git a/vim/pack/plugins/opt/yats.vim b/vim/pack/plugins/opt/yats.vim
deleted file mode 160000
index 4bf3879..0000000
--- a/vim/pack/plugins/opt/yats.vim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4bf3879055847e675335f1c3050bd2dd11700c7e
diff --git a/vim/plugin/gitgutter.vim b/vim/plugin/gitgutter.vim
deleted file mode 100644
index c127397..0000000
--- a/vim/plugin/gitgutter.vim
+++ /dev/null
@@ -1,10 +0,0 @@
-" skip if not run from git directory
-if empty(system("git rev-parse --git-dir 2> /dev/null"))
-  finish
-endif
-
-setlocal updatetime=200
-
-let g:gitgutter_sign_modified_removed='≠'
-
-packadd vim-gitgutter