diff --git a/nixos/modules/programs/zsh/zsh.nix b/nixos/modules/programs/zsh/zsh.nix
index 27f4166e100..6e9eefd74d1 100644
--- a/nixos/modules/programs/zsh/zsh.nix
+++ b/nixos/modules/programs/zsh/zsh.nix
@@ -214,7 +214,6 @@ in
         # Need to disable features to support TRAMP
         if [ "$TERM" = dumb ]; then
             unsetopt zle prompt_cr prompt_subst
-            unfunction precmd preexec
             unset RPS1 RPROMPT
             PS1='$ '
             PROMPT='$ '