• Lisp

(defun rmv (elem lst) 
 (if (null lst) nil
   (if (equal elem (car lst)) 
     (cdr lst)
     (cons (car lst) (rmv elem (cdr lst))))) )

(setf x (rmv e x ))

• Clojure

(disj x e)

• C++

x.erase(e);

• C#

x.Remove(e);

• Dart

x.remove(e);

• Fortran

integer,allocatable::x(:)
integer::e=6
x=[2,4,6,8,10]
!remove 6
x=pack(x,x/=e)

• Go

delete(x, e)

• Go

delete(x, e)

• JS

x.delete(e);

• Java

x.remove(e);

• Pascal

x := x - [e];

• Pascal

Exclude(x,e);

• Perl

my %set;
my @list = ( 'a' .. 'f' );
$set{$_} = 1 for @list;

delete $set{'c'};	# delete specific key

use v5.20;
delete %set{'a','e'}	# delete hash slice

• Perl

my $set = Set::Scalar->new( 'a' .. 'f' );

print "Contents of set:\n";
print $set;

$set->delete('b','e');

print "\nAfter removing elements b and e:\n";
print $set;

• Perl

@x = grep $e ne $_, @x;

• Python

x.remove(e)

• Ruby

x.delete(e)

• Rust

x.take(e)

• Rust

x.remove(e);