WordPress code snippet to remove contact form 7 bloat. Please visit http://rickrduncan.com/pro/wordpress/deregister-cf7-scripts-styles for details.

remove-cf7-css.php

<?php
//* Do NOT include the opening php tag above
/**
 *
 * Remove Contact Form 7 CSS stylesheet from all pages except where needed.
 *
 */
add_action('wp_print_styles', 'rrd_remove_cf7_css');
function rrd_remove_cf7_css() {
	if ( function_exists( 'wpcf7_enqueue_styles' ) ) {
		if ( !is_page('contact')) { //replace the slug if needed
			wp_deregister_style('contact-form-7');
   		}	
	}
}

remove-cf7-is-page-array.php

<?php
//* Do NOT include the opening php tag above

if( is_page( array( 'contact', 'contact-us', 'contact-others' ) ) {
     //either contact or contact-us page is in view
}
else {
     //all other pages in view
}

remove-cf7-js.php

<?php
//* Do NOT include the opening php tag above
/**
 *
 * Remove Contact Form 7 js file from all pages except where needed.
 *
 */
add_action('wp_print_scripts', 'rrd_remove_cf7_js');
function rrd_remove_cf7_js() {
	if ( function_exists( 'wpcf7_enqueue_scripts' ) ) {
	   if ( !is_page('contact')) { //replace the slug if needed
		   wp_deregister_script('contact-form-7');
   		}	
	}
}