diff --git a/init.zsh b/init.zsh
index be56566..0c90299 100644
--- a/init.zsh
+++ b/init.zsh
@@ -30,7 +30,7 @@ function zprezto-update {
       printf "to manually pull and possibly merge in changes\n"
     }
     cd -q -- "${ZPREZTODIR}" || return 7
-    local orig_branch="$(git symbolic-ref HEAD 2>/dev/null | cut -d '/' -f 3)"
+    local orig_branch="$(git symbolic-ref HEAD 2> /dev/null | cut -d '/' -f 3)"
     if [[ "$orig_branch" == "master" ]]; then
       git fetch || return "$?"
       local UPSTREAM=$(git rev-parse '@{u}')
diff --git a/modules/completion/init.zsh b/modules/completion/init.zsh
index 8c509a6..e2cc2d4 100644
--- a/modules/completion/init.zsh
+++ b/modules/completion/init.zsh
@@ -107,9 +107,9 @@ zstyle ':completion::*:(-command-|export):*' fake-parameters ${${${_comps[(I)-va
 zstyle -a ':prezto:module:completion:*:hosts' etc-host-ignores '_etc_host_ignores'
 
 zstyle -e ':completion:*:hosts' hosts 'reply=(
-  ${=${=${=${${(f)"$(cat {/etc/ssh_,~/.ssh/known_}hosts(|2)(N) 2>/dev/null)"}%%[#| ]*}//\]:[0-9]*/ }//,/ }//\[/ }
-  ${=${(f)"$(cat /etc/hosts(|)(N) <<(ypcat hosts 2>/dev/null))"}%%(\#${_etc_host_ignores:+|${(j:|:)~_etc_host_ignores}})*}
-  ${=${${${${(@M)${(f)"$(cat ~/.ssh/config 2>/dev/null)"}:#Host *}#Host }:#*\**}:#*\?*}}
+  ${=${=${=${${(f)"$(cat {/etc/ssh_,~/.ssh/known_}hosts(|2)(N) 2> /dev/null)"}%%[#| ]*}//\]:[0-9]*/ }//,/ }//\[/ }
+  ${=${(f)"$(cat /etc/hosts(|)(N) <<(ypcat hosts 2> /dev/null))"}%%(\#${_etc_host_ignores:+|${(j:|:)~_etc_host_ignores}})*}
+  ${=${${${${(@M)${(f)"$(cat ~/.ssh/config 2> /dev/null)"}:#Host *}#Host }:#*\**}:#*\?*}}
 )'
 
 # Don't complete uninteresting users...
diff --git a/modules/git/functions/_git-hub-browse b/modules/git/functions/_git-hub-browse
index 54d223f..9e6d6f0 100644
--- a/modules/git/functions/_git-hub-browse
+++ b/modules/git/functions/_git-hub-browse
@@ -29,7 +29,7 @@ case "$state" in
     remote="$words[(($CURRENT - 1))]"
 
     branches_or_tags=($(
-      git ls-remote --heads --tags "$remote" 2>/dev/null | cut -f2
+      git ls-remote --heads --tags "$remote" 2> /dev/null | cut -f2
     ))
 
     branches=(HEAD ${${(M)branches_or_tags[@]##refs/heads/?##}##refs/heads/})
@@ -39,7 +39,7 @@ case "$state" in
     _describe -t tag 'tags' tags && ret=0
   ;;
   (file)
-    files=(${(0)"$(_call_program files git ls-files -z --exclude-standard 2>/dev/null)"})
+    files=(${(0)"$(_call_program files git ls-files -z --exclude-standard 2> /dev/null)"})
     _wanted file expl 'file' _multi_parts - / files && ret=0
   ;;
 esac
diff --git a/modules/git/functions/git-hub-browse b/modules/git/functions/git-hub-browse
index 4e7c314..a365a5a 100644
--- a/modules/git/functions/git-hub-browse
+++ b/modules/git/functions/git-hub-browse
@@ -39,7 +39,7 @@ if (( $references[(i)$reference] == $#references + 1 )); then
 fi
 
 if [[ "$reference" == 'HEAD' ]]; then
-  reference="$(git rev-parse HEAD 2>/dev/null)"
+  reference="$(git rev-parse HEAD 2> /dev/null)"
 fi
 
 file="$3"
diff --git a/modules/node/init.zsh b/modules/node/init.zsh
index c225b2f..127dea7 100644
--- a/modules/node/init.zsh
+++ b/modules/node/init.zsh
@@ -11,7 +11,7 @@ if [[ -s "$HOME/.nvm/nvm.sh" ]]; then
   source "$HOME/.nvm/nvm.sh"
 
 # Load package manager installed NVM into the shell session.
-elif (( $+commands[brew] )) && [[ -d "$(brew --prefix nvm 2>/dev/null)" ]]; then
+elif (( $+commands[brew] )) && [[ -d "$(brew --prefix nvm 2> /dev/null)" ]]; then
   source "$(brew --prefix nvm)/nvm.sh"
 
 # Load manually installed nodenv into the shell session.
diff --git a/modules/osx/functions/mand b/modules/osx/functions/mand
index b8e958e..2902c76 100644
--- a/modules/osx/functions/mand
+++ b/modules/osx/functions/mand
@@ -8,7 +8,7 @@
 function mand {
   if (( $# > 0 )); then
     zstyle -s ':prezto:module:osx:man' dash-keyword 'dashkw' || dashkw='manpages'
-    open "dash://$dashkw:$1" 2>/dev/null
+    open "dash://$dashkw:$1" 2> /dev/null
     if (( $? != 0 )); then
       print "$0: Dash is not installed" >&2
       break
diff --git a/modules/osx/functions/pfd b/modules/osx/functions/pfd
index 4153769..264b40b 100644
--- a/modules/osx/functions/pfd
+++ b/modules/osx/functions/pfd
@@ -7,7 +7,7 @@
 
 # function pfd {
 
-osascript 2>/dev/null <<EOF
+osascript 2> /dev/null <<EOF
   tell application "Finder"
     return POSIX path of (target of first window as text)
   end tell
diff --git a/modules/osx/functions/tab b/modules/osx/functions/tab
index 114c92e..c39a6a8 100644
--- a/modules/osx/functions/tab
+++ b/modules/osx/functions/tab
@@ -11,7 +11,7 @@ local command="cd \\\"$PWD\\\""
 (( $# > 0 )) && command="${command}; $*"
 
 the_app=$(
-  osascript 2>/dev/null <<EOF
+  osascript 2> /dev/null <<EOF
     tell application "System Events"
       name of first item of (every process whose frontmost is true)
     end tell
@@ -19,7 +19,7 @@ EOF
 )
 
 [[ "$the_app" == 'Terminal' ]] && {
-  osascript 2>/dev/null <<EOF
+  osascript 2> /dev/null <<EOF
     tell application "System Events"
       tell process "Terminal" to keystroke "t" using command down
       tell application "Terminal" to do script "${command}" in front window
@@ -28,7 +28,7 @@ EOF
 }
 
 [[ "$the_app" == 'iTerm' ]] && {
-  osascript 2>/dev/null <<EOF
+  osascript 2> /dev/null <<EOF
     tell application "iTerm"
       set current_terminal to current terminal
       tell current_terminal
@@ -43,7 +43,7 @@ EOF
 }
 
 [[ "$the_app" == 'iTerm2' ]] && {
-  osascript 2>/dev/null <<EOF
+  osascript 2> /dev/null <<EOF
     tell application "iTerm2"
       tell current window
         create tab with default profile
diff --git a/modules/perl/init.zsh b/modules/perl/init.zsh
index d22a5f9..1624fbf 100644
--- a/modules/perl/init.zsh
+++ b/modules/perl/init.zsh
@@ -50,8 +50,7 @@ if [[ "$OSTYPE" == darwin* ]]; then
     source "$cache_file"
   fi
 
-  unset perl_path
-  unset cache_file
+  unset cache_file perl_path
 fi
 
 #
diff --git a/modules/prompt/functions/prompt_sorin_setup b/modules/prompt/functions/prompt_sorin_setup
index 8eca6f6..9ecc1b0 100644
--- a/modules/prompt/functions/prompt_sorin_setup
+++ b/modules/prompt/functions/prompt_sorin_setup
@@ -74,7 +74,7 @@ function prompt_sorin_precmd {
   # Handle updating git data. We also clear the git prompt data if we're in a
   # different git root now.
   if (( $+functions[git-dir] )); then
-    local new_git_root="$(git-dir 2>/dev/null)"
+    local new_git_root="$(git-dir 2> /dev/null)"
     if [[ $new_git_root != $_sorin_cur_git_root ]]; then
       _prompt_sorin_git=''
       _sorin_cur_git_root=$new_git_root
@@ -142,7 +142,7 @@ function prompt_sorin_preview {
   local +h RPROMPT=''
   local +h SPROMPT=''
 
-  editor-info 2>/dev/null
+  editor-info 2> /dev/null
   prompt_preview_theme 'sorin'
 }
 
diff --git a/modules/terminal/init.zsh b/modules/terminal/init.zsh
index c7b22b7..2a5b9be 100644
--- a/modules/terminal/init.zsh
+++ b/modules/terminal/init.zsh
@@ -49,7 +49,7 @@ function _terminal-set-titles-with-command {
     local -A jobtexts_from_parent_shell
     jobtexts_from_parent_shell=(${(kv)jobtexts})
 
-    jobs "$job_name" 2>/dev/null > >(
+    jobs "$job_name" 2> /dev/null > >(
       read index discarded
       # The index is already surrounded by brackets: [1].
       _terminal-set-titles-with-command "${(e):-\$jobtexts_from_parent_shell$index}"