diff --git a/.zshrc b/.zshrc
index 24206ec..57e1eef 100644
--- a/.zshrc
+++ b/.zshrc
@@ -465,14 +465,15 @@ bindkey '^[Oc' forward-word                                    #
 bindkey '^[Od' backward-word                                   #
 bindkey '^[[1;5D' backward-word                                #
 bindkey '^[[1;5C' forward-word                                 #
+# Delete words with ctrl+bksp/del
 bindkey '^H' backward-kill-word                                # delete previous word with ctrl+backspace
 bindkey '^[[3;5~' kill-word                                    # delete next word with ctrl+delete
 bindkey '^[[Z' undo                                            # Shift+tab undo last action
 
 # bind UP and DOWN arrow keys to history substring search
 zmodload zsh/terminfo
-bindkey "$terminfo[kcuu1]" history-substring-search-up
-bindkey "$terminfo[kcud1]" history-substring-search-down
+# bindkey "$terminfo[kcuu1]" history-substring-search-up
+# bindkey "$terminfo[kcud1]" history-substring-search-down
 bindkey '^[[A' history-substring-search-up
 bindkey '^[[B' history-substring-search-down
 bindkey -M vicmd 'k' history-substring-search-up