diff --git a/share/completions/emerge.fish b/share/completions/emerge.fish
index e234be15f..589e41359 100644
--- a/share/completions/emerge.fish
+++ b/share/completions/emerge.fish
@@ -4,7 +4,7 @@
 
 function __fish_emerge_print_installed_pkgs --description 'Prints completions for installed packages on the system from /var/db/pkg'
  if test -d /var/db/pkg
-   find /var/db/pkg/ -type d | cut -d'/' -f5-6 | sort | uniq | \
+   find /var/db/pkg/ -type d | cut -d'/' -f5-6 | sort -u | \
        sed 's/-[0-9]\{1,\}\..*$//' | sed -e '/^ *$/d'
    return
  end
@@ -13,7 +13,7 @@ end
 function __fish_emerge_print_all_pkgs --description 'Prints completions for all available packages on the system from /usr/portage'
  if test -d /usr/portage
    find /usr/portage/ -maxdepth 2 -type d | cut -d'/' -f4-5 | \
-       sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort | uniq | \
+       sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort -u | \
        sed 's/-[0-9]\{1,\}\..*$//' | sed -e '/^ *$/d'
    return
  end
diff --git a/share/completions/equery.fish b/share/completions/equery.fish
index 01d9cc157..3ff8ca620 100644
--- a/share/completions/equery.fish
+++ b/share/completions/equery.fish
@@ -4,21 +4,21 @@
 
 function __fish_equery_print_installed_pkgs --description 'Prints completions for installed packages on the system from /var/db/pkg'
  if test -d /var/db/pkg
-   find /var/db/pkg/ -type d | cut -d'/' -f5-6 | sort | uniq | sed 's/-[0-9]\{1,\}\..*$//'
+   find /var/db/pkg/ -type d | cut -d'/' -f5-6 | sort -u | sed 's/-[0-9]\{1,\}\..*$//'
    return
  end
 end
 
 function __fish_equery_print_all_pkgs --description 'Prints completions for all available packages on the system from /usr/portage'
  if test -d /usr/portage
-   find /usr/portage/ -maxdepth 2 -type d | cut -d'/' -f4-5 | sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort | uniq | sed 's/-[0-9]\{1,\}\..*$//'
+   find /usr/portage/ -maxdepth 2 -type d | cut -d'/' -f4-5 | sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort -u | sed 's/-[0-9]\{1,\}\..*$//'
    return
  end
 end
 
 function __fish_equery_print_all_categories --description 'Prints completions for all available categories on the system from /usr/portage'
  if test -d /usr/portage
-   find /usr/portage/ -maxdepth 1 -type d | cut -d'/' -f4 | sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort | uniq | sed 's/-[0-9]\{1,\}\..*$//'
+   find /usr/portage/ -maxdepth 1 -type d | cut -d'/' -f4 | sed 's/^\(distfiles\|profiles\|eclass\).*$//' | sort -u | sed 's/-[0-9]\{1,\}\..*$//'
    return
  end
 end
diff --git a/share/completions/perl.fish b/share/completions/perl.fish
index 284dc4ef1..620261e52 100644
--- a/share/completions/perl.fish
+++ b/share/completions/perl.fish
@@ -2,7 +2,7 @@ begin
     set -l unicode 'commandline | __fish_sgrep -qe "-[a-zA-Z]*C[a-zA-Z]*\$"'
     set -l noopt 'commandline | not __fish_sgrep -qe "-[a-zA-Z]*C[a-zA-Z]*\$"'
     set -l modules "(find (perl -lE'print for @INC') -name '*.pm' -printf '%P\n' ^/dev/null \
-                        | awk '{ gsub(\"/\", \"::\") } /[^-.]/' RS='\\\\\\\\.pm'\n | sort | uniq)"
+                        | awk '{ gsub(\"/\", \"::\") } /[^-.]/' RS='\\\\\\\\.pm'\n | sort -u)"
     complete -c perl -s 0 -n $noopt --description 'Specify record separator'
     complete -c perl -s a -n $noopt --description 'Turn on autosplit mode'
     complete -c perl -s c -n $noopt --description 'Check syntax'
diff --git a/share/functions/__fish_svn_prompt.fish b/share/functions/__fish_svn_prompt.fish
index a201f4542..243c02285 100644
--- a/share/functions/__fish_svn_prompt.fish
+++ b/share/functions/__fish_svn_prompt.fish
@@ -126,7 +126,7 @@ function __fish_svn_prompt --description "Prompt function for svn"
         if [ (count $column_status) -ne 0 ]
 
             # we only want to display unique status flags (eg: if there are 5 modified files, the prompt should only show the modified status once)
-            set -l column_unique_status (echo $column_status | sort | uniq)
+            set -l column_unique_status (echo $column_status | sort -u)
             # parse the status flags for this column and create the formatting by calling out to the helper function
             set -l svn_status_flags (__fish_svn_prompt_parse_status $column_unique_status)
 
@@ -146,4 +146,4 @@ function __fish_svn_prompt --description "Prompt function for svn"
 
     # print the close of the svn status prompt
     printf ')'
-end
\ No newline at end of file
+end