diff --git src/bp-core/bp-core-buddybar.php src/bp-core/bp-core-buddybar.php
index f16557f..f1eb2e9 100644
--- src/bp-core/bp-core-buddybar.php
+++ src/bp-core/bp-core-buddybar.php
@@ -834,7 +834,7 @@ function bp_core_remove_subnav_item( $parent_slug, $slug, $component = null ) {
 	// Backward compatibility for removing group nav items using the group slug as `$parent_slug`.
 	if ( ! $component && bp_is_active( 'groups' ) && isset( $bp->groups->nav ) ) {
 		if ( $bp->groups->nav->get_primary( array( 'slug' => $parent_slug ) ) ) {
-			return bp_core_remove_subnav_item( $slug, $parent_slug, 'groups' );
+			return bp_core_remove_subnav_item( $parent_slug, $slug, 'groups' );
 		}
 	}