Fixes loading the functions under older zsh versions

helper.zsh

@@ -38,22 +38,8 @@ function omodload {
   # $argv is overridden in the anonymous function.
   omodules=("$argv[@]")
 
-  function {
-    local ofunction
-
-    # Extended globbing is needed for listing autoloadable function directories.
-    setopt LOCAL_OPTIONS EXTENDED_GLOB
-
-    # Add functions to fpath.
-    fpath=(${omodules:+${OMZ}/modules/${^omodules}/functions(/FN)} $fpath)
-
-    # Load Oh My Zsh functions.
-    for ofunction in \
-      $OMZ/modules/${^omodules}/functions/^([_.]*|prompt_*_setup|README*)(.N:t)
-    do
-      autoload -Uz "$ofunction"
-    done
-  }
+  # Extended globbing is needed for listing autoloadable function directories.
+  setopt LOCAL_OPTIONS EXTENDED_GLOB
 
   for omodule in "$omodules[@]"; do
     if zstyle -t ":omz:module:$omodule" loaded; then
@@ -68,6 +54,15 @@ function omodload {
 
       if (( $? == 0 )); then
         zstyle ":omz:module:$omodule" loaded 'yes'
+        # Add functions to fpath.
+        fpath=(${omodules:+${OMZ}/modules/${^omodules}/functions(/FN)} $fpath)
+
+        # Load Oh My Zsh functions.
+        for ofunction in \
+          $OMZ/modules/${^omodules}/functions/^([_.]*|prompt_*_setup|README*)(.N:t)
+        do
+          autoload -Uz "$ofunction"
+        done
       else
         zstyle ":omz:module:$omodule" loaded 'no'
       fi

modules/prompt/init.zsh

@@ -8,13 +8,6 @@
 # Load and execute the prompt theming system.
 autoload -Uz promptinit && promptinit
 
-# Check for the minimum supported version.
-min_zsh_version='4.3.10'
-if ! autoload -Uz is-at-least || ! is-at-least "$min_zsh_version"; then
-  return 1
-fi
-unset min_zsh_version
-
 # Load the prompt theme.
 zstyle -a ':omz:module:prompt' theme 'prompt_argv'
 if (( $#prompt_argv > 0 )); then