diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
index 84f964c..4b9337c 100644
--- a/.config/nvim/init.lua
+++ b/.config/nvim/init.lua
@@ -52,9 +52,3 @@ vim.keymap.set("t", "<Esc>",     "<C-\\><C-n>"           )
 
 -- remove trailing whitespaces
 vim.keymap.set("n", "<Leader>f", "<cmd>%s/\\s\\+$//e<CR>")
-
--- copy entire file to graphical buffer
-vim.keymap.set("n", "<Leader>y", 'ggVG"+y<C-o>'          )
-
--- copy selection to graphical buffer
-vim.keymap.set("v", "<Leader>y", '"+y'                   )
diff --git a/.config/zsh/.kubectl_aliases b/.config/zsh/.kubectl_aliases
index 22c83ab..3a2bdc5 100644
--- a/.config/zsh/.kubectl_aliases
+++ b/.config/zsh/.kubectl_aliases
@@ -14,8 +14,6 @@
 
 alias kx='kubectx'
 alias kn='kubens'
-alias kx-='kubectx -'
-alias kn-='kubens -'
 alias k='kubectl'
 alias ksys='kubectl --namespace=kube-system'
 alias ka='kubectl apply --recursive -f'