delete duplicate rows

[sasphd]

I want to delete row if id is the same

data have;
input id name $ age $;
cards;
1 aik 26 
1 aik 29 
2 bik 23 
2 bik 23 
5 cik 30 
6 cik 28 
;
run;

I want this 

1 aik 26 
2 bik 23  
5 cik 30 
6 cik 2

[novinosrin · Accepted solution]

proc sort data=have out=want nodupkey;

by id;

run;