How to hide Meeting Workspace Option in SharePoint Calendar

Use content Editor Webpart and copy following code into source editor, and add this web part to your Calendar's New Item Page [NewForm.aspx]

< type="text/javascript">
var TDs = document.getElementsByTagName("TD");
var i=0;
var tagContent = "";
while (i <>
{
try{tagContent = TDs[i].innerText TDs[i].textContent;
if (tagContent.indexOf("Workspace") == 0 tagContent.indexOf("Workspace") == 3)
{
TDs[i+1].parentNode.removeChild(TDs[i+1]);
TDs[i].parentNode.removeChild(TDs[i]);
}
}
catch(err){}i=i+1;
}
< /script >