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Try adding this to your theme’s style.CSS document

.avatar {
    display: none;
}

@barboncaves
Have you tried disabling Show Avatars in WordPress Admin > Settings > Discussion? ( – the avatars section is lower down the page )

You might need to customise your child theme’s style sheet. Using bp-default the following might be useful:

.activity-list .activity-content {
    margin-left: 25px;
}

I haven’t checked anywhere else…

@barboncaves

The main point of a child theme is that you can upgrade the parent theme and still keep your edits.

To create a child theme of bp default you need to create a new directory ie: /wp-content/themes/bp-child/

In that directory you need to create a style.css simple text file with a header at the top of the file ie:

/*
Theme Name: A BP Child Thene
Theme URI: http://buddypress.org
Description: A Buddypress child theme.
Version: 0.1
Author: Me
Author URI: http://example.com
Template: bp-default
Tags: buddypress
*/

The Template: bit is important. The /* and the */ ‘comment out’ what is between them so the browser doesn’t try to interpret as css.

After the header comes the style rules and properties such as were quoted above.

To follow through with an example from your other question using the bp-default theme.

First you need to copy footer.php from /wp-content/plugins/buddypress/bp-themes/bp-default/ into the /bp-child/ theme directory.

In that file should be the following line 15:
<p><?php printf( __( 'Proudly powered by <a href="%1$s">WordPress</a> and <a href="%2$s">BuddyPress</a>.', 'buddypress' ), 'http://wordpress.org', 'http://buddypress.org' ); ?></p>

Replace that line with something like:

<p>© <?php echo date('Y'); ?><a href="<?php echo home_url( '/' ) ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
					<?php bloginfo( 'name' ); ?></a>. </p>

Put what you want between the paragraph tags ( <p> and </p> ) – it could just be simple text. Use a text editor not a word-processor…

Then preview the bp-child theme and the footer text should have been changed.

I would suggest backing up your files and database before attempting to edit files….

further info:
https://codex.buddypress.org/themes/building-a-buddypress-child-theme/
https://codex.wordpress.org/Function_Reference/get_bloginfo

@barboncaves

Actually I was trying to keep it simple and I don’t know what theme you are using.

Copy footer.php from the parent theme directory to your new child theme direcory and change that line to what you want.

If you are using bp-default then that line is https://buddypress.trac.wordpress.org/browser/tags/1.8.1/bp-themes/bp-default/footer.php#L15 – just replace the text between the paragraph tags with a simple text line

( or even the whole line as the <p> </p> tags arent’t critical but help with styling )

@barboncaves

wordpress/buddypress uses the template file ( ie footer.php ) in the child theme directory if it exists, otherwise it uses the parent’s file.

*.php files are simple text files and normally everything means something. Most things have opening and closing tags which you need to be aware of, but in general, what you put in the child theme’s file will then be used…

functions.php and style.css are loaded after the parent theme’s versions.

The only file a child theme needs is a style.css which will overwrite rules in the parent’s css