Index: src/bp-members/classes/class-bp-signup.php
===================================================================
--- src/bp-members/classes/class-bp-signup.php	(revision 12476)
+++ src/bp-members/classes/class-bp-signup.php	(working copy)
@@ -240,7 +240,10 @@
 				if ( ! empty( $signup->meta['sent_date'] ) ) {
 					$signup->date_sent = $signup->meta['sent_date'];
 				} else {
-					$signup->date_sent = $signup->registered;
+					if (!apply_filters('bp_core_signup_send_activation_key', true)) {
+						$signup->date_sent = '';
+					} else {
+						$signup->date_sent = $signup->registered;
					}
 				}
 
 				$sent_at = mysql2date('U', $signup->date_sent );
@@ -257,7 +260,10 @@
 				if ( ! empty( $signup->meta['count_sent'] ) ) {
 					$signup->count_sent = absint( $signup->meta['count_sent'] );
 				} else {
-					$signup->count_sent = 1;
+					if (!apply_filters('bp_core_signup_send_activation_key', true)) {
+						$signup->count_sent = 0;
+					} else {
+						$signup->count_sent = 1;
					}
 				}
 
 				$paged_signups[ $key ] = $signup;