get rid of number in grep alias

zshrc

@@ -72,7 +72,7 @@ alias ls='ls --color=auto -hv --group-directories-first'
 alias ll='ls -l'
 alias l.='ls -Ad .*'
 alias la='ls -A'
-alias grep='grep --color -nTs'
+alias grep='grep --color -s'
 alias df='df -hx tmpfs'
 alias du='du --max-depth=1'
 alias sr='screen -r'