diff --git a/share/functions/contains.fish b/share/functions/contains.fish
deleted file mode 100644
index 958e465b6..000000000
--- a/share/functions/contains.fish
+++ /dev/null
@@ -1,43 +0,0 @@
-
-function contains --description "Test if a key is contained in a set of values"
-	while count $argv >/dev/null
-		switch $argv[1]
-			case '-h' '--h' '--he' '--hel' '--help'
-				__fish_print_help contains
-				return
-
-			case '--'
-				# End the loop, the next argument is the key
-				set -e argv[1]
-				break
-			
-			case '-*'
-				printf (_ "%s: Unknown option '%s'\n") contains $argv[1]
-				__fish_print_help contains >&2
-				return 1
-
-			case '*'
-				# End the loop, we found the key
-				break				
-
-		end
-		set -e argv[1]
-	end
-
-	if not count $argv >/dev/null
-		printf (_ "%s: Key not specified\n") contains
-		return 1
-	end
-
-	set key $argv[1]
-	set -e argv[1]	
-
-	#
-	# Loop through values
-	#
-
-	printf "%s\n" $argv|sgrep -Fx -- $key >/dev/null
-	return $status
-end
-
-